BM2P063HK-LBZ [ROHM]
本产品面向工业设备市场、可保证长期稳定供货。针对这些目标应用，是适合使用的产品。本系列作为AC/DC用PWM方式DC/DC转换器，为各种产品提供适合的系统。绝缘、非绝缘均可对应，可轻松设计低功耗转换器。内置800V耐压启动电路，有助于实现低功耗。使用电流模式控制，进行逐周期电流限制，发挥带宽和瞬态响应的优异性能。开关频率固定为65kHz、100kHz、130kHz。轻负载时降低频率，实现高效率。内置跳频功能，有助于实现低EMI。本产品内置800V耐压超级结MOSFET。;
| 型号： | BM2P063HK-LBZ |
| 厂家： | 
ROHM |
| 描述： | 本产品面向工业设备市场、可保证长期稳定供货。针对这些目标应用，是适合使用的产品。本系列作为AC/DC用PWM方式DC/DC转换器，为各种产品提供适合的系统。绝缘、非绝缘均可对应，可轻松设计低功耗转换器。内置800V耐压启动电路，有助于实现低功耗。使用电流模式控制，进行逐周期电流限制，发挥带宽和瞬态响应的优异性能。开关频率固定为65kHz、100kHz、130kHz。轻负载时降低频率，实现高效率。内置跳频功能，有助于实现低EMI。本产品内置800V耐压超级结MOSFET。 开关 转换器 |
| 文件： | 总23页 (文件大小：1182K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Datasheet
AC/DC Converter IC
PWM Type DC/DC Converter IC
Integrated Switching MOSFET
BM2P063HK-LBZ BM2P103HK-LBZ BM2P133HK-LBZ
General Description
Key Specifications
Power Supply Voltage Operation Range:
This is the product guarantees long time support in
industrial market.
VCC Pin:
10.90 V to 30.00 V
This series IC is a PWM type DC/DC converter for
AC/DC which provides an optimum system for various
electrical product. It supports both isolated and
non-isolated devices, enabling simpler design of
various types of low power consumption electrical
converters.
This series also has a built-in starter circuit that can
withstand up to 800 V, which contributes to low power
consumption. Since current mode control is utilized,
current is restricted in each cycle and excellent
performance is demonstrated in bandwidth and
transient response. Switching frequency is fixed at 65
kHz, 100 kHz or 130 kHz. At light load, the switching
frequency is reduced and high efficiency is achieved. A
frequency hopping function is also built-in, which
contributes to low EMI. In addition, this product has a
built-in super junction MOSFET which has a withstand
voltage of 800 V.
DRAIN Pin:
800 V (Max)
1.00 mA (Typ)
0.30 mA (Typ)
Normal Operating Current:
Burst Operating Current:
Switching Frequency:
1A (BM2P063HK-LBZ):
1B (BM2P103HK-LBZ):
1C (BM2P133HK-LBZ):
65 kHz (Typ)
100 kHz (Typ)
130 kHz (Typ)
Operating Temperature Range: -40 °C to +105 °C
MOSFET ON Resistance: 3.50 Ω (Typ)
Package
W (Typ) x D (Typ) x H (Max)
9.27 mm x 6.35 mm x 8.63 mm
pitch 2.54 mm
DIP7AK:
Features
Long Time Support Product for Industrial
Applications
Switching Frequency = 65 kHz, 100 kHz, 130 kHz
PWM Current Mode Control
Built-in Frequency Hopping Function
Burst Operation at Light Load
Frequency Reduction Function
Built-in 800 V Starter Circuit
Applications
Industrial Equipment, Household Electrical Appliances,
Adapters, etc.
Built-in 800 V Super Junction MOSFET
VCC Pin Under Voltage Protection
VCC Pin Over Voltage Protection
Over Current Limiter Function per Cycle
Over Current Limiter with AC Voltage Correction
Soft Start Function
Brown IN/OUT Function
Highly Precise AC Over Voltage Protection
ZT Pin OVP Function
Typical Application Circuit
FUSE
OUT
Diode
Filter
Bridge
GND
〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays
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Pin Configuration
TOP VIEW
Pin Description
ESD Diode
VCC GND
Pin No. Pin Name
I/O
Function
1
2
3
4
5
6
7
SOURCE
BR
I/O
MOSFET SOURCE pin
AC voltage detect pin
GND pin
-
-
✔
✔
-
I
GND
FB
I/O
✔
-
I
Feedback signal input pin
Auxiliary winding input pin
Power supply input pin
MOSFET DRAIN pin
✔
✔
✔
✔
ZT
I
I
-
VCC
DRAIN
-
I/O
-
Block Diagram
Diode
Bridge
Filter
VCC
DRAIN
BR
7
6
2
Starter
BR Comp
VCC UVLO
+
-
+
-
100 µs
Filter
Internal
100
µs
Filter
Regulator
+
-
Gate
VCC OVP
Clamper
ZT
5
Internal Block
ZT
OVP
100 µs Filter
+
-
3 counts Timer
Thermal
Protection
7V
Super
PWM
Control
Junction
MOSFET
OLP
64 ms
/512 ms
Timer
+
-
S
Q
R
DRIVER
NOUT
Burst
Comparator
-
+
Dynamic Current
Logic
&
Timer
Limitter
+
PWM
Comparator
-
-
+
Reference
Voltage
Current
Leading-
Edge
Blanking
Time
Internal
Regulator
4.0 V
Limitter
+
-
SOURCE
1
Reference
Voltage
FB
4
Soft Start
1/4
MAX
DUTY
Frequency
Hopping
OSC
3
GND
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Description of Blocks
1. Starter Circuit (DRAIN: Pin 7)
This IC enables low standby electric power and high-speed startup because it has a built-in start circuit (800 V withstand
voltage). The current consumption after startup is OFF current ISTART3 (Typ = 10 µA).
VH
Startup Current [A]
DRAIN
ISTART2
Starter
VCC
Cvcc
ISTART1
+
-
ISTART3
VCCUVLO
The VCC pin voltage
[V]
VUVLO1
Vsc
Figure 1. Start Circuit Block Diagram
Figure 2. Startup Current vs the VCC Pin Voltage
2. Start Sequence (Soft Start Operation, Light Load Operation, Auto Restart Operation by Over Load Protection)
Start sequence is shown in Figure 3 and see the sections below for detailed descriptions.
VH
(Input Voltage)
VBR1
BR
VUVLO1
Under
tFOLP1
VCC
FB
tFOLP2
tFOLP1
VFOLP1
Output
Voltage
Over
Load
Normal
Load
Light
Load
Output
Current
Burst mode
Switching
Soft
Start
A
B C
D
E
F
G
H
I
Figure 3. Start Sequences Timing Chart
A: The input voltage VH is applied to the IC. As VH voltage is applied, the BR pin voltage becomes higher than VBR1
(Typ = 0.650 V).
B: When the VCC pin voltage exceeds VUVLO1 (Typ = 15.50 V), the IC starts to operate. When the IC judges the other
protection functions as normal condition, switching operation starts. Until the secondary output voltage becomes a
constant value from startup, the VCC pin voltage drops by the VCC pin consumption current. When the VCC pin
voltage becomes VCHG1 (Typ = 10.70 V) or less, the VCC pin charge operation starts.
C: Switching operation starts with the soft start function, over current limit value is restricted to prevent any excessive
rise in voltage or current. Output voltage will be set to rated voltage within the tFOLP1 (Typ = 64 ms).
D: Once the output voltage is stable, the VCC pin voltage is also stable.
E: When the FB pin voltage becomes VBST1 (Typ = 0.400 V) or less at light load, the IC starts burst operation to reduce
the power consumption.
F: When the FB pin voltage becomes VFOLP1 (Typ = 3.30 V) or more, overload protection function operates.
G: When the FB pin voltage stays VFOLP1 (Typ = 3.30 V) or more for tFOLP1 (Typ = 64 ms) or more, switching stops.
When the FB pin voltage becomes VFOLP2 (Typ = 3.10 V) or less, the IC’s internal FB OLP timer is reset.
H: Stopping switching continues for tFOLP2 (Typ = 512 ms), the IC starts switching.
I: Same as D.
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Description of Blocks – continued
3. VCC Pin Protection Function
This IC has the internal protection functions at the VCC pin.
1) Under voltage protection function: VCC UVLO (Under Voltage Lockout)
2) Over voltage protection function: VCC OVP (Over Voltage Protection)
3) VCC charge function
The VCC charge function charges the VCC pin from the high voltage line through the starter circuit at startup time and
so on.
(1) VCC UVLO / VCC OVP Function
VCC UVLO function and VCC OVP function are auto recovery type protection function with voltage hysteresis.
Switching is stopped by the VCC OVP function when the VCC pin voltage ≥ VOVP1 (Typ = 32.0 V), and restarts when
the VCC pin voltage ≤ VOVP2 (Typ = 24.0 V).
VH
(Input Voltage)
VOVP1
VOVP2
VUVLO1
VCHG2
VCC
VCHG1
VUVLO2
Time
ON
ON
OFF
VCC UVLO
VCC OVP
ON
OFF
OFF
ON
ON
ON
VCC Charge
Function
OFF
OFF
ON
ON
OFF
OFF
Switching
OFF
Time
A
B
C
D
F
I
J
A
E
G
H
Figure 4. VCC UVLO / VCC OVP / VCC Charge Function Timing Chart
A: The VCC pin voltage starts to rises.
B: When the VCC pin voltage is VUVLO1 (Typ = 15.50 V) or more, the VCC UVLO function is released and
DC/DC operation starts.
C: When the VCC pin voltage is VCHG1 (Typ = 10.70 V) or less, the VCC charge function operates and the VCC
pin voltage rises.
D: When the VCC pin voltage is VCHG2 (Typ = 15.00 V) or more, the VCC charge function stops.
E: When the status that the VCC pin voltage is VOVP1 (Typ = 32.0 V) or more continues for tCOMP1 (Typ = 100 μs),
switching is stopped by the VCC OVP function.
F: When the VCC pin voltage becomes VOVP2 (Typ = 24.0 V) or less, switching operation restarts.
G: The VCC pin voltage drops.
H: Same as C.
I: Same as D.
J: When the input voltage VH drops and the VCC pin voltage becomes VUVLO2 (Typ = 10.20 V) or less,
switching operation is stopped by the VCC UVLO function.
(2) VCC Charge Function
The IC starts to operate when the VCC pin voltage becomes VUVLO1 (Typ = 15.50 V) or more. After that, the VCC
charge function operates when the VCC pin voltage becomes VCHG1 (Typ = 10.70 V) or less. During this time, the VCC
pin is charged from the DRAIN pin through the starter circuit. By this operation, failure at startup is prevented. Once
the VCC charge function starts, it continues charge operation until the VCC pin voltage becomes VCHG2 (Typ = 15.00
V) or more, after which the charge function stops.
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Description of Blocks – continued
4. DC/DC Driver (PWM Comparator, Frequency Hopping, Slope Compensate, OSC, Burst)
This IC operates by current mode PWM control. The internal oscillator sets the switching frequency at a fixed value
when the FB pin voltage ≥ VDLT1 (Typ = 1.25 V). It also has a built-in switching frequency hopping function.
Maximum duty cycle is fixed at 75 % (Typ) and minimum pulse width is fixed at 500 ns (Typ).
With current mode control, when the duty cycle exceeds 50 %, a sub harmonic oscillation may occur. As a
countermeasure, the IC has built-in slope compensation function.
This IC also has a built-in burst mode operation and frequency reduction operation to achieve lower power consumption
in light load.
The FB pin is pulled up by RFB (Typ = 30 kΩ) to an internal regulator. The FB pin voltage varies with secondary output
voltage (secondary power). Burst mode operation and frequency reduction operation is determined by monitoring the
FB pin voltage.
(1) Frequency Reduction Circuit
Figure 5A to Figure 5C shows the FB pin voltage, switching frequency, and DC/DC operation modes.
mode 1: Burst voltage has hysteresis. Switching stops when the FB pin voltage ≤ VBST1 (Typ = 0.400 V), and restarts
when the FB pin voltage ≥ VBST2 (Typ = 0.450 V).
mode 2: When the FB pin voltage ≤ VDLT2 (Typ = 0.65 V), switching frequency is at fSW2 (Typ = 25.0 kHz, 27.0 kHz or
35.0 kHz). At VDLT2 < the FB pin voltage ≤ VDLT1, switching frequency changes within the range of fSW1 to fSW2
mode 3: Operates in fixed frequency fSW1 (Typ = 65.0 kHz, 100.0 kHz or 130.0 kHz).
.
mode 4: If the IC detects over load status within a period of tFOLP1 (Typ = 64 ms), it stops switching operation for tFOLP2
(Typ = 512 ms).
Switching
Frequency
[kHz]
Switching
Frequency
[kHz]
mode 2
mode 2
mode 1
mode 3
mode 4
mode 1
mode 3
mode 4
65.0
100.0
25.0
27.0
Pulse OFF
Pulse OFF
0.40
0.65
1.25
3.40
0.40
0.65
1.25
3.40
The FB pin
voltage [V]
The FB pin
voltage [V]
Figure 5A. Switching Frequency vs the FB Pin Voltage
(BM2P063HK-LBZ)
Figure 5B. Switching Frequency vs the FB Pin Voltage
(BM2P103HK-LBZ)
Switching
Frequency
[kHz]
mode 2
mode 1
mode 3
mode 4
130.0
35.0
Pulse OFF
0.40
0.65
1.25
3.40
The FB pin
voltage [V]
Figure 5C. Switching Frequency vs the FB Pin Voltage
(BM2P133HK-LBZ)
(2) Frequency Hopping Function
Frequency hopping function achieves low EMI by changing the frequency at random. The pulse width changes in the
range of ±6 % for base frequency.
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4. DC/DC Driver – continued
(3) Over Current Limiter
This IC has a built-in over current limiter per cycle. When the SOURCE pin voltage becomes VCSA (Typ = 0.400 V) or
VCSB (Typ = 0.300 V) or more for 1 pulse, switching is turned off after passing internal delay time. The delay time
varies in relation to the time by which the SOURCE pin voltage reaches VCSA (Typ = 0.400 V) or VCSB (Typ = 0.300 V).
By this time, AC voltage correction function operates. The relations of the time until the SOURCE pin voltage reaches
VCSA (Typ = 0.400 V) or VCSB (Typ = 0.300 V) and the additional delay time are shown in below.
Figure 6A. Delay Time vs the Time by Which the
SOURCE Pin Voltage Reaches VCSA (Typ = 0.400 V)
(BM2P063HK-LBZ)
Figure 6B. Delay Time vs the Time by Which the
SOURCE Pin Voltage Reaches VCSB (Typ = 0.300 V)
(BM2P103HK-LBZ)
Figure 6C. Delay Time vs the Time by Which the
SOURCE Pin Voltage Reaches VCSB (Typ = 0.300 V)
(BM2P133HK-LBZ)
Ip is calculated by the following formula.
푉푖푛
(
)
퐼푝 =
× 푡푂푁 + 푡퐷 + 푡퐷퐸퐿퐴푌
[A]
퐿ꢀ
where:
ꢁꢂꢃ is the AC Input Voltage.
ꢄ푝 is the Primary Inductance.
푡ꢅꢆ is the Time to VCSA or VCSB
.
푡ꢇ is the Additional Delay Time introduced by the IC (Refer to Figure 6A to Figure 6C).
푡ꢇꢈꢄꢉꢊ is the Delay Time peculiar to the IC (Typ = 0.2 μs).
It is necessary to evaluate application in the end and adjust sense resistor and so on.
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4. DC/DC Driver – continued
(4) Dynamic Over Current Limiter
This IC has a built-in dynamic over current limiter circuit. When the SOURCE pin voltage becomes VDCS (Typ = 1.050
V) or more for two consecutive times, it stops switching operation for tDCS (Typ = 128 μs).
Dynamic
2 Count
Current Limitter
VDCS
2
1
SOURCE
Voltage
tDCS
DC/DC ON
DC/DC
DC/DC OFF
Figure 7. State Transition of Switching Frequency
(5) Soft Start Function
This function controls the over current limiter value in order to prevent any excessive rise in voltage or current upon
startup. Figure 8 shows the details of soft start function. The IC implements soft start function by changing the over
current limiter value with time.
SOURCE Voltage[V]
VCS
VDCS
VDCS
VDCS x 0.75
VDCS x 0.50
VCS
VDCS x 0.25
VCS x 0.75
VCS x 0.50
VCS x 0.25
8.0
4.0
2.0
Time [ms]
Figure 8. The SOURCE Pin Voltage vs Time
(6) L.E.B. Time
When MOSFET is turned ON, surge current occurs by capacitive elements and drive current. During this time, there is
a probability of detection error in the over current limiter circuit due to a rise in the SOURCE pin voltage. To prevent it,
there is a built-in L.E.B. function (Leading Edge Blanking function) to mask the SOURCE pin voltage for tLEB (Typ =
250 ns) after turn ON.
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Description of Blocks – continued
5. SOURCE Pin Short Protection
When the SOURCE pin is shorted to ground, the IC may overheat and get destroyed. To prevent destruction, it has a
built-in short protection function. Switching is turned off in tCSSHT (Typ = 2.0 µs) ON width when the status that the
SOURCE pin voltage is VCSSHT (Typ = 0.060 V) or less is detected by this function.
6. Output Over Load Protection Function (FB OLP Comparator)
Output over load protection function monitors the load condition and stops switching operation when over load condition
is detected. The IC detects over load status at the FB pin voltage ≥ VFOLP1 (Typ = 3.30 V) and releases FB OLP at the FB
pin voltage ≤ VFOLP2 (Typ = 3.10 V). As output voltage decreases during over load condition and this condition continues
for tFOLP1 (Typ = 64 ms), over load condition is detected and switching operation stops. FB OLP detection will be
released after the auto-recovery period tFOLP2 (Typ = 512 ms).
7. Input Voltage Protection Function (Brown IN/OUT)
This IC has the internal protection functions at the BR pin.
1) Over voltage protection function: BR pin OVP (Over Voltage Protection)
2) Under voltage protection function: BR pin UVLO (Under Voltage Lockout)
(1) BR OVP Function
BR OVP function monitors the input voltage through the BR pin and stops switching operation when over voltage
condition, it prevents destruction of built-in super junction MOSET. The BR pin capacitor must be connected to prevent
malfunction.
e.g. The case that BR OVP is operated when the input voltage is 309.4 Vac.
(푅
ꢌ푅
푅
)×푅
퐵ꢋꢍꢎ푃1
퐵ꢋ1
퐵ꢋ2
= 309.4
[Vac] It is 437.4 V by DC conversion.
× ꢏ
√
퐵ꢋ2
When RBR1 is set to 3.91 MΩ, RBR2 is calculated to 27 kΩ. Then, BR OVP voltage is calculated as:
(푅
ꢌ푅
푅
)×푅
퐵ꢋꢍꢎ푃2
퐵ꢋ1
퐵ꢋ2
= ꢐ88.7
[Vac] It is 408.3 V by DC conversion.
× ꢏ
√
퐵ꢋ2
Therefore, the hysteresis is 20.7 Vac.
FUSE
OUT
Diode
Bridge
Filter
RBR1
RBR2
GND
Figure 9. Brown IN/OUT Circuit Example
(2) BR UVLO Function
This IC has a built-in UVLO function that monitors the input voltage through the BR pin. It prevents the IC from heating
by over-current when the input voltage is low. When BR UVLO function is released, IC operates by soft start. BR pin
UVLO is decided uniquely by RBR1 and RBR2 that is defined in (1).
(
)
×푉
푅
ꢌ푅
퐵ꢋ1
퐵ꢋ2
퐵ꢋ1
= 67.0
= 56.7
[Vac]
[Vac]
푅
× ꢏ
√
퐵ꢋ2
(푅
ꢌ푅
)×푉
퐵ꢋ2
퐵ꢋ1
퐵ꢋ2
푅
× ꢏ
√
퐵ꢋ2
Therefore, the hysteresis is 10.3 Vac.
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Description of Blocks – continued
8. ZT Pin Over Voltage Protection
ZT OVP has 2 protection functions (Pulse detection and DC detection), both operate by latch protection.
(1) Pulse Detection
After the ZT pin voltage becomes VZTOVP (Typ = 3.500 V) or more for 3 consecutive switching times and continues for
tZTOVP (Typ = 100 µs), the IC detects ZT OVP.
ON
Inner Gate
OFF
1 count
2 count
3 count
VZTOVP
ZT
tZTOVP
LATCH
Function
A
B
C
D
E
Figure 10. The ZT Pin Over Voltage Protection (Pulse Detection)
A: Normal operation because the ZT pin voltage < VZTOVP (Typ = 3.500 V)
B: The ZT pin voltage ≥ VZTOVP (Typ = 3.500 V) is detected.
C: The second of the ZT pin voltage ≥ VZTOVP (Typ = 3.500 V) is detected.
D: The third of the ZT pin voltage ≥ VZTOVP (Typ = 3.500 V) is detected. Then internal timer starts to operate because of
detection of the three times continuation.
E: After tZTOVP (Typ = 100 µs) from the three times detection, the IC stops by latch.
(2) DC Detection
When ZT voltage ≥ VZTOVP (Typ = 3.500 V) status continues for tZTOVP (Typ = 100 µs), IC detects ZT OVP.
Less than
tZTOVP
tZTOVP
VZTOVP
PULSE
ON
PULSE
ZT
Switching
A B
C
D
Figure 11. The ZT Pin Over Voltage Protection (DC Detection)
A: The ZT pin voltage ≥ VZTOVP (Typ = 3.500 V)
B: Because the ZT pin voltage ≥ VZTOVP (Typ = 3.500 V) status is less than tZTOVP (Typ = 100 µs) period, DC/DC returns
to normal operations.
C: The ZT pin voltage ≥ VZTOVP (Typ = 3.500 V)
D: Because the ZT pin voltage ≥ VZTOVP (Typ = 3.500 V) status continues for tZTOVP (Typ = 100 µs), latching occurs and
DC/DC is turned OFF.
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Description of Blocks – continued
9. ZT Trigger Mask Function
When switching is set ON/OFF, the superposition of noise may occur at the ZT pin. During this time, the detection
function is turned OFF for the duration of tZTMASK (Typ = 0.60 µs) to prevent the ZT pin part from false detection.
ON
DC/DC
OFF
DRAIN
ZT
ZT Mask
Function
tZTMASK
tZTMASK
A
B C
D
E
F
G
Figure 12. ZT Trigger Mask Function Timing Chart
A: DC/DC OFF → ON
B: DC/DC ON → OFF
C: Because noise occurs at the ZT pin, the ZT pin protection function is not operated for tZTMASK (Typ = 0.60 µs).
D: Same as A.
E: Same as B
F: Same as C
G: Same as A
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06.Oct.2020 Rev.001
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BM2P063HK-LBZ BM2P103HK-LBZ BM2P133HK-LBZ
Absolute Maximum Ratings (Ta = 25 °C)
Parameter
Symbol
Rating
Unit
Conditions
Maximum Applied Voltage 1
Maximum Applied Voltage 2
Maximum Applied Voltage 3
DRAIN Current (DC)
VMAX1
VMAX2
VMAX3
IDD1
-0.3 to +800.0
-0.3 to +35.0
-0.3 to +6.5
1.6
V
V
V
A
DRAIN
VCC
BR, FB, SOURCE, ZT
pulse width = 10 μs
DRAIN Current (Pulse)
IDD2
4.8
A
Duty cycle = 1 %
(Note 1)
Power Dissipation
Maximum Junction Temperature
Storage Temperature Range
Pd
Tjmax
Tstg
1.00
150
-55 to +150
W
°C
°C
Caution 1: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is
operated over the absolute maximum ratings.
Caution 2: Should by any chance the maximum junction temperature rating be exceeded the rise in temperature of the chip may result in deterioration of the
properties of the chip. In case of exceeding this absolute maximum rating, design a PCB with power dissipation taken into consideration by increasing
board size and copper area so as not to exceed the maximum junction temperature rating.
(Note 1) Reduce by 8.0 mW/°C when operating Ta = 25 °C or more when mounted on 70 mm x 70 mm x 1.6 mm thick, glass epoxy on single-layer substrate.
Thermal Loss
The thermal design should set operation for the following conditions.
1. The ambient temperature Ta must be 105 °C or less.
2. The IC’s loss must be within the power dissipation Pd.
The thermal reduction characteristics are as follows.
(PCB: 70 mm x 70 mm x 1.6 mm mounted on glass epoxy single layer substrate)
Figure 13. Thermal Reduction Characteristics
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Recommended Operating Condition
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
Power Supply Voltage Range 1
Power Supply Voltage Range 2
Operating Temperature
VDRAIN
VCC
Topr
V
V
°C
DRAIN
VCC(Note 2)
Surrounding Temperature
-
-
800
30.00
+105
10.90
15.00
-40
+25
(Note 2) The VCC recharge function operates in the VCC pin voltage range of less than 8.7 V (Refer to P-4 [3-2] the VCC charge function)
Recommended External Component Condition
Parameter
BR Pin Capacitor
Symbol
CBR
Recommended
0.01 or more
Unit
μF
Conditions
Electrical Characteristics in MOSFET Part (Unless otherwise noted, Ta = 25 °C, VCC = 15 V)
Parameter
Symbol
Unit
Conditions
Min
Typ
Max
DRAIN to SOURCE Voltage
DRAIN Leak Current
ON Resistance
VDDS
IDSS
RDS(ON)
800
-
-
-
0
3.50
-
V
μA
Ω
ID = 1 mA, VGS = 0 V
VDS = 800 V, VGS = 0 V
ID = 0.8 A, VGS = 10 V
100
4.20
Electrical Characteristics in Starter Circuit Part (Unless otherwise noted, Ta = 25 °C, VCC = 15 V)
Parameter
Symbol
Unit
Conditions
Min
Typ
Max
Start Current 1
Start Current 2
OFF Current
Start Current Switching Voltage
ISTART1
ISTART2
ISTART3
VSC
0.100
3.00
-
0.300
5.50
10
0.600
8.50
20
mA
mA
μA
V
VCC = 0 V
VCC = 10 V
0.400
0.800
1.200
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BM2P063HK-LBZ BM2P103HK-LBZ BM2P133HK-LBZ
Electrical Characteristics in Control IC Part (Unless otherwise noted, Ta = 25 °C, VCC = 15 V)
Parameter
[Circuit Current]
Symbol
Unit
Conditions
Min
Typ
Max
Pulse Operation, VFB = 2.0 V,
DRAIN = OPEN
Circuit Current (ON) 1
Circuit Current (ON) 2
ION1
ION2
-
1000
300
1800
450
μA
μA
150
Burst Operation, VFB = 0.3 V
[VCC Pin Protection Function]
VCC UVLO Voltage 1
VCC UVLO Voltage 2
VCC UVLO Hysteresis
VCC OVP Voltage 1
VCC OVP Voltage 2
VCC OVP Hysteresis
VCC OVP Timer
VUVLO1
VUVLO2
VUVLO3
VOVP1
VOVP2
VOVP3
tCOMP1
V
V
V
V
V
VCC rising
VCC falling
VUVLO3 = VUVLO1 - VUVLO2
VCC rising
VCC falling
14.50
9.50
-
30.0
-
15.50
10.20
5.30
32.0
24.0
8.0
100
VUVLO2
0.5
16.50
10.90
-
34.0
-
V
-
50
-
150
μs
-
Latch Release VCC Voltage
VLATCH
-
-
V
VCC Charge Start Voltage
VCC Charge Stop Voltage
Over Temperature Protection 1(Note 3)
Over Temperature Protection 2(Note 3)
Over Temperature Protection
Hysteresis
VCHG1
VCHG2
TSD1
V
V
9.70
14.00
150
-
10.70
15.00
175
11.70
16.00
200
-
C
C
Control IC block’s Tj rising
Control IC block’s Tj falling
TSD2
100
TSD3
-
75
-
C
Over Temperature Protection Timer
tCOMP2
50
100
150
μs
[PWM Type DC/DC Driver Block]
Switching Frequency 1A
Switching Frequency 2A
Frequency Hopping Width 1A
Switching Frequency 1B
Switching Frequency 2B
Frequency Hopping Width 1B
Switching Frequency 1C
Switching Frequency 2C
Frequency Hopping Width 1C
Minimum Pulse Width(Note 4)
Soft Start Time 1
Soft Start Time 2
Soft Start Time 3
Maximum Duty
FB Pin Pull-up Resistor
FB / CS Gain
fSW1A
fSW2A
fDEL1A
fSW1B
fSW2B
fDEL1B
fSW1C
fSW2C
fDEL1C
tMIN
tSS1
tSS2
tSS3
DMAX
RFB
61.5
20.0
-
95.0
17.0
-
122.0
20
-
65.0
25.0
4.0
100.0
27.0
6.0
130.0
35
8.0
68.5
30.0
-
105.0
37.0
-
138.0
50
-
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
ns
ms
ms
ms
%
kΩ
V/V
V
VFB = 2.0 V (BM2P063HK-LBZ)
VFB = 0.5 V (BM2P063HK-LBZ)
VFB = 2.0 V (BM2P063HK-LBZ)
VFB = 2.0 V (BM2P103HK-LBZ)
VFB = 0.5 V (BM2P103HK-LBZ)
VFB = 2.0 V (BM2P103HK-LBZ)
VFB = 2.0 V (BM2P133HK-LBZ)
VFB = 0.5 V (BM2P133HK-LBZ)
VFB = 2.0 V (BM2P133HK-LBZ)
-
500
-
1.20
2.40
4.80
68.0
23
2.00
4.00
8.00
75.0
30
4.00
0.400
0.450
2.80
5.60
11.20
82.0
37
Gain
VBST1
VBST2
-
-
FB Burst Voltage 1
FB Burst Voltage 2
0.300
0.350
0.500
0.550
VFB falling
VFB rising
V
Frequency Reduction Start
FB Voltage
Frequency Reduction Stop
FB Voltage
VDLT1
VDLT2
1.10
0.50
1.25
0.65
1.40
0.80
V
V
FB OLP Voltage 1
FB OLP Voltage 2
FB OLP ON Timer
FB OLP OFF Timer
VFOLP1
VFOLP2
tFOLP1
tFOLP2
VCSA
3.10
2.90
40
358
0.380
3.30
3.10
64
512
0.400
3.50
3.30
88
666
0.420
V
V
ms
ms
V
OLP detect VFB rising
OLP release VFB falling
Over Current Detection Voltage A
BM2P063HK-LBZ
BM2P103HK-LBZ,
BM2P133HK-LBZ
Over Current Detection Voltage B
VCSB
VDCS
0.280
0.950
0.300
1.050
0.320
1.150
V
V
Dynamic Over Current Detection
Voltage
Dynamic Over Current Detection
Timer
Leading Edge Blanking Time
SOURCE Pin Short Protection
Voltage
tDCS
tLEB
VCSSHT
tCSSHT
64
-
128
250
196
-
μs
ns
V
(Note 4)
0.030
0.060
0.090
SOURCE Pin Short Protection Time
(Note 3) Over temperature protection operates over Maximum Junction Temperature. Since, IC cannot guarantee for the operation over Maximum Junction
1.0
2.0
3.0
μs
Temperature, always operate at Maximum Junction Temperature or less.
(Note 4) Not 100 % tested.
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Electrical Characteristics in Control IC Part (Unless otherwise noted, Ta = 25 °C, VCC = 15 V) – continued
Parameter
Symbol
Unit
Conditions
Min
Typ
Max
[BR Pin Function]
BR Pin UVLO Detection Voltage 1
BR Pin UVLO Detection Voltage 2
BR Pin UVLO Hysteresis Voltage
BR Pin UVLO Detection Delay Time 1
BR Pin UVLO Detection Delay Time 2
BR Pin OVP Detection Voltage 1
BR Pin OVP Detection Voltage 2
BR Pin OVP Hysteresis Voltage
[ZT Pin Function]
VBR1
VBR2
VBR3
tBR1
tBR2
VBROVP1
VBROVP2
VBROVP3
0.590
0.490
-
50
64
2.955
2.688
-
0.650
0.550
0.10
100
128
3.000
2.800
0.20
0.710
0.610
-
150
196
3.045
2.912
-
V
V
V
μs
ms
V
VBR rising
VBR falling
VBR3 = VBR1 - VBR2
VBR rising
VBR falling
VBR rising
VBR falling
VBROVP3 = VBROVP1 - VBROVP2
V
V
ZT OVP Voltage
ZT OVP Timer
ZT Trigger Mask Time
(Note 4) Not 100 % tested.
VZTOVP
tZTOVP
tZTMASK
3.250
50
-
3.500
100
0.60
3.750
150
-
V
μs
µs
(Note 4)
Protection Circuit Operation Modes
The operation modes of the various protection functions of the IC are shown in Table 1.
Table 1. Protection Circuit Operation Modes
VCC Pin
Under
Voltage
FB Pin
Output
Over Load
Protection
BR Pin
ZT Pin
VCC Pin
Over Voltage
Protection
SOURCE
Short
Protection
Thermal
Shutdown
Under
Function
Over Voltage
Voltage
Protection
Protection
Protection
VCC <
VUVLO2
(VCC
SOURCE <
VCSSHT
(tCSSHT = 2.0
µs)
VCC > VOVP1
(VCC
Tj > TSD1
(Tj rising)
VFB > VFOLP1
(VFB rising)
VBR < VBR2
(VBR falling)
VZT > VZTOVP
(pulse)
Detection
Release
rising)
falling)
VCC >
VUVLO1
(VCC
VCC < VOVP2
(VCC
Reset
Pulse by
Pulse
Tj < TSD2
(Tj falling)
VFB < VFOLP2
(VFB falling)
VBR > VBR1
(VBR rising)
VZT < VZTOVP
(pulse)
falling)
rising)
Detection
Timer
3 counts
+100 µs
-
-
100 µs
100 µs
64 ms
-
-
128 ms
100 µs
Release
Timer
-
-
512 ms
-
Auto
Recovery
Auto
Recovery
Auto
Recovery
Auto
Recovery
Auto
Recovery
Auto
Recovery
Mode
Latch
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BM2P063HK-LBZ BM2P103HK-LBZ BM2P133HK-LBZ
I/O Equivalence Circuit
-
-
7
DRAIN
DRAIN
6
VCC
VCC
5
ZT
ZT
Internal
MOSFET
-
SOURCE
1
SOURCE
2
BR
3
GND
GND
4
FB
Internal Ref.
SOURCE
BR
FB
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Operational Notes
1.
2.
Reverse Connection of Power Supply
Connecting the power supply in reverse polarity can damage the IC. Take precautions against reverse polarity when
connecting the power supply, such as mounting an external diode between the power supply and the IC’s power
supply pins.
Power Supply Lines
Design the PCB layout pattern to provide low impedance supply lines. Furthermore, connect a capacitor to ground at
all power supply pins. Consider the effect of temperature and aging on the capacitance value when using electrolytic
capacitors.
3.
4.
Ground Voltage
Ensure that no pins are at a voltage below that of the ground pin at any time, even during transient condition.
Ground Wiring Pattern
When using both small-signal and large-current ground traces, the two ground traces should be routed separately but
connected to a single ground at the reference point of the application board to avoid fluctuations in the small-signal
ground caused by large currents. Also ensure that the ground traces of external components do not cause variations
on the ground voltage. The ground lines must be as short and thick as possible to reduce line impedance.
5.
6.
Recommended Operating Conditions
The function and operation of the IC are guaranteed within the range specified by the recommended operating
conditions. The characteristic values are guaranteed only under the conditions of each item specified by the electrical
characteristics.
Inrush Current
When power is first supplied to the IC, it is possible that the internal logic may be unstable and inrush current may flow
instantaneously due to the internal powering sequence and delays, especially if the IC has more than one power
supply. Therefore, give special consideration to power coupling capacitance, power wiring, width of ground wiring, and
routing of connections.
7.
Testing on Application Boards
When testing the IC on an application board, connecting a capacitor directly to a low-impedance output pin may
subject the IC to stress. Always discharge capacitors completely after each process or step. The IC’s power supply
should always be turned off completely before connecting or removing it from the test setup during the inspection
process. To prevent damage from static discharge, ground the IC during assembly and use similar precautions during
transport and storage.
8.
9.
Inter-pin Short and Mounting Errors
Ensure that the direction and position are correct when mounting the IC on the PCB. Incorrect mounting may result in
damaging the IC. Avoid nearby pins being shorted to each other especially to ground, power supply and output pin.
Inter-pin shorts could be due to many reasons such as metal particles, water droplets (in very humid environment) and
unintentional solder bridge deposited in between pins during assembly to name a few.
Unused Input Pins
Input pins of an IC are often connected to the gate of a MOS transistor. The gate has extremely high impedance and
extremely low capacitance. If left unconnected, the electric field from the outside can easily charge it. The small
charge acquired in this way is enough to produce a significant effect on the conduction through the transistor and
cause unexpected operation of the IC. So unless otherwise specified, unused input pins should be connected to the
power supply or ground line.
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Operational Notes – continued
10. Regarding the Input Pin of the IC
This IC contains P+ isolation and P substrate layers between adjacent elements in order to keep them isolated. P-N
junctions are formed at the intersection of the P layers with the N layers of other elements, creating a parasitic diode or
transistor. For example (refer to figure below):
When GND > Pin A and GND > Pin B, the P-N junction operates as a parasitic diode.
When GND > Pin B, the P-N junction operates as a parasitic transistor.
Parasitic diodes inevitably occur in the structure of the IC. The operation of parasitic diodes can result in mutual
interference among circuits, operational faults, or physical damage. Therefore, conditions that cause these diodes to
operate, such as applying a voltage lower than the GND voltage to an input pin (and thus to the P substrate) should be
avoided.
Resistor
Transistor (NPN)
Pin A
Pin B
Pin B
B
E
C
Pin A
B
C
E
P
P+
P+
N
P+
P
P+
N
N
N
N
N
N
N
Parasitic
Elements
Parasitic
Elements
P Substrate
GND GND
P Substrate
GND
GND
Parasitic
Elements
Parasitic
Elements
N Region
close-by
Figure 14. Example of IC Structure
11. Ceramic Capacitor
When using a ceramic capacitor, determine a capacitance value considering the change of capacitance with
temperature and the decrease in nominal capacitance due to DC bias and others.
12. Thermal Shutdown Circuit(TSD)
This IC has a built-in thermal shutdown circuit that prevents heat damage to the IC. Normal operation should always
be within the IC’s maximum junction temperature rating. If however the rating is exceeded for a continued period, the
junction temperature (Tj) will rise which will activate the TSD circuit that will turn OFF power output pins. When the Tj
falls below the TSD threshold, the circuits are automatically restored to normal operation.
Note that the TSD circuit operates in a situation that exceeds the absolute maximum ratings and therefore, under no
circumstances, should the TSD circuit be used in a set design or for any purpose other than protecting the IC from
heat damage.
13. Over Current Protection Circuit (OCP)
This IC incorporates an integrated overcurrent protection circuit that is activated when the load is shorted. This
protection circuit is effective in preventing damage due to sudden and unexpected incidents. However, the IC should
not be used in applications characterized by continuous operation or transitioning of the protection circuit.
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BM2P063HK-LBZ BM2P103HK-LBZ BM2P133HK-LBZ
Ordering Information
B M 2 P x x 3 H K -
LBZ
Product Class
LB for Industrial Applications
06: 65 kHz
10: 100 kHz
13: 130 kHz
Lineup
Orderable Part
Switching
Frequency
(kHz)
MOSFET
Withstand
Voltage (V)
MOSFET
RDS(ON) (Ω)
Package
Part Number Marking
Number
BM2P063HK-LBZ
BM2P103HK-LBZ
BM2P133HK-LBZ
65
100
130
BM2P063HK
BM2P103HK
BM2P133HK
3.50
800
DIP7AK
Making Diagram
DIP7AK (TOP VIEW)
Part Number Marking
LOT Number
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Physical Dimension and Packing Information
Package Name
DIP7AK
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Revision History
Date
Revision
001
Changes
06.Oct.2020
New Release
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Notice
Precaution on using ROHM Products
(Note 1)
1. If you intend to use our Products in devices requiring extremely high reliability (such as medical equipment
,
aircraft/spacecraft, nuclear power controllers, etc.) and whose malfunction or failure may cause loss of human life,
bodily injury or serious damage to property (“Specific Applications”), please consult with the ROHM sales
representative in advance. Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any
ROHM’s Products for Specific Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN
USA
EU
CHINA
CLASSⅢ
CLASSⅣ
CLASSⅡb
CLASSⅢ
CLASSⅢ
CLASSⅢ
2. ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3. Our Products are not designed under any special or extraordinary environments or conditions, as exemplified below.
Accordingly, ROHM shall not be in any way responsible or liable for any damages, expenses or losses arising from the
use of any ROHM’s Products under any special or extraordinary environments or conditions. If you intend to use our
Products under any special or extraordinary environments or conditions (as exemplified below), your independent
verification and confirmation of product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (Exclude cases where no-clean type fluxes is used.
However, recommend sufficiently about the residue.); or Washing our Products by using water or water-soluble
cleaning agents for cleaning residue after soldering
[h] Use of the Products in places subject to dew condensation
4. The Products are not subject to radiation-proof design.
5. Please verify and confirm characteristics of the final or mounted products in using the Products.
6. In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse, is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7. De-rate Power Dissipation depending on ambient temperature. When used in sealed area, confirm that it is the use in
the range that does not exceed the maximum junction temperature.
8. Confirm that operation temperature is within the specified range described in the product specification.
9. ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Precaution for Mounting / Circuit board design
1. When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
2. In principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method must
be used on a through hole mount products. If the flow soldering method is preferred on a surface-mount products,
please consult with the ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Notice-PAA-E
Rev.004
© 2015 ROHM Co., Ltd. All rights reserved.
Precautions Regarding Application Examples and External Circuits
1. If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the
characteristics of the Products and external components, including transient characteristics, as well as static
characteristics.
2. You agree that application notes, reference designs, and associated data and information contained in this document
are presented only as guidance for Products use. Therefore, in case you use such information, you are solely
responsible for it and you must exercise your own independent verification and judgment in the use of such information
contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties arising from the use of such information.
Precaution for Electrostatic
This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper
caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be
applied to Products. Please take special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity control).
Precaution for Storage / Transportation
1. Product performance and soldered connections may deteriorate if the Products are stored in the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2
[b] the temperature or humidity exceeds those recommended by ROHM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
2. Even under ROHM recommended storage condition, solderability of products out of recommended storage time period
may be degraded. It is strongly recommended to confirm solderability before using Products of which storage time is
exceeding the recommended storage time period.
3. Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads
may occur due to excessive stress applied when dropping of a carton.
4. Use Products within the specified time after opening a humidity barrier bag. Baking is required before using Products of
which storage time is exceeding the recommended storage time period.
Precaution for Product Label
A two-dimensional barcode printed on ROHM Products label is for ROHM’s internal use only.
Precaution for Disposition
When disposing Products please dispose them properly using an authorized industry waste company.
Precaution for Foreign Exchange and Foreign Trade act
Since concerned goods might be fallen under listed items of export control prescribed by Foreign exchange and Foreign
trade act, please consult with ROHM in case of export.
Precaution Regarding Intellectual Property Rights
1. All information and data including but not limited to application example contained in this document is for reference
only. ROHM does not warrant that foregoing information or data will not infringe any intellectual property rights or any
other rights of any third party regarding such information or data.
2. ROHM shall not have any obligations where the claims, actions or demands arising from the combination of the
Products with other articles such as components, circuits, systems or external equipment (including software).
3. No license, expressly or implied, is granted hereby under any intellectual property rights or other rights of ROHM or any
third parties with respect to the Products or the information contained in this document. Provided, however, that ROHM
will not assert its intellectual property rights or other rights against you or your customers to the extent necessary to
manufacture or sell products containing the Products, subject to the terms and conditions herein.
Other Precaution
1. This document may not be reprinted or reproduced, in whole or in part, without prior written consent of ROHM.
2. The Products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written
consent of ROHM.
3. In no event shall you use in any way whatsoever the Products and the related technical information contained in the
Products or this document for any military purposes, including but not limited to, the development of mass-destruction
weapons.
4. The proper names of companies or products described in this document are trademarks or registered trademarks of
ROHM, its affiliated companies or third parties.
Notice-PAA-E
Rev.004
© 2015 ROHM Co., Ltd. All rights reserved.
Daattaasshheeeett
General Precaution
1. Before you use our Products, you are requested to carefully read this document and fully understand its contents.
ROHM shall not be in any way responsible or liable for failure, malfunction or accident arising from the use of any
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this document is current as of the issuing date and subject to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the latest information with a ROHM sales
representative.
3. The information contained in this document is provided on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate and/or error-free. ROHM shall not be in any way responsible or
liable for any damages, expenses or losses incurred by you or third parties resulting from inaccuracy or errors of or
concerning such information.
Notice – WE
Rev.001
© 2015 ROHM Co., Ltd. All rights reserved.
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