AP3102V [DIODES]
GREEN MODE PWM CONTROLLER;
| 型号： | AP3102V |
| 厂家： | 
DIODES INCORPORATED |
| 描述： | GREEN MODE PWM CONTROLLER |
| 文件： | 总14页 (文件大小：617K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
A Product Line of
Diodes Incorporated
AP3102/V/L
GREEN MODE PWM CONTROLLER
Description
Pin Assignments
The AP3102/V/L series is a green-mode PWM controller with low
start-up current. At normal operation, the switching frequency is
externally programmable and trimmed to tight range, and the
frequency dithering technique is also equipped to improve the EMI
performance. When the load is very low or zero, the IC enters green
mode and skip mode to minimize switching loss. In skip mode, the
PWM switching frequency is about 20kHz to avoid the audible noise
and reduce the standby loss.
(Top View)
GND
1
2
3
4
GATE
VCC
8
7
6
5
FB
BOK
RI
The AP3102/V/L series features a lot of functions such as the
Leading-Edge Blanking (LEB) of the current sensing, internal slope
compensation, line compensation, and several protection functions
including cycle-by-cycle current limit (OCP), over voltage protection
(VCC or line voltage), OTP, OLP and brownout protection.
SENSE
ADJ
The AP3102/V/L series provides 3 different versions with optional
protection functions. AP3102 has external trigger latch shutdown only
(VOVP and OLP are auto recoverable). AP3102V supports both
VOVP and external latch shutdown. AP3102L provides latch
shutdown control for VOVP, OLP and external trigger.
SO-8
Applications
This IC is available in SO-8 package.
Switching AC-DC Adapter
LCD Monitor/TV Power
Open Frame Switching Power Supply
Features
Bi-CMOS Process with Excellent Performance
Very Low Start-up Current: 5μA Typical
Current Mode Control
Non-audible-noise Green Mode Control
Frequency Foldback for High Average Efficiency
Internal Slope Compensation
Programmable Brownout Protection
Programmable Line Compensation
Useful Pin Fault Protection:
SENSE Pin Floating
RI Pin Short to Ground
RI Pin Floating
Smart Latch/Auto-recoverable Protection Option
Comprehensive Protection Feature:
VCC Over Voltage Protection (VOVP)
Line Over Voltage Protection (LOVP)
Over Temperature Protection (OTP)
Over Load Protection (OLP)
Internal Soft Start Function During Start-up
500mA Gate Output Current Capability
Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Typical Applications Circuit
VCB
R9 10
D3
BD1
CX1
C9
1nF
C2
2nF
C1
100F 100k
L2
8H
R2
J1
T
R1
2M
J2
C7
D1
470F
C10
FR107
D2
D4
1000F
12V/3A
R3
3.9
C3
F
C4
47F
3.3
20
R4
Q1
7N60
R14 1k
R10
20k
C8 0.1F
C9
0.1F
R6
0.55
R7
18k
R11
5.1k
5
8
7
6
CY
R12
4.7k
Q2
AZ431
GATE VCC SENSE
ADJ
U1
AP3102
R13
620
GND
1
FB
BOK
3
RI
4
R4
10M
R8 27k
2
U2 P817
4
3
1
2
R5
82k
C5
10nF
C6
6.8nF
For AP3102
Pin Descriptions
Pin Number
Pin Name
GND
Function
1
2
Signal ground. Current return for driver and control circuits
Feedback. Directly connected to the opto-coupler
FB
Brownout Protection Pin. Connected to a resistor divider from the ground to bulk capacitor
for setting the brownout level and line compensation. When the voltage of this pin is lower
than 0.5V and lasts 35ms, the PWM signal will be off and system enters the auto
recoverable protection mode (hiccup mode). Moreover, this pin is also applied for line OVP
(trigger level is 4V) and line compensation (compensate the current sense for over load
protection.)
3
BOK
4
5
RI
Set the bias current to determine the normal switching frequency
To adjust the level of skip cycle. When its value is greater than 4.5V, the system will be
latched
ADJ
6
7
8
SENSE
VCC
Current sense
Supply voltage of driver and control circuits
Gate driver output
GATE
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Functional Block Diagram
16.2V
8.8V
4
UVLO
OVP
Internal Bias
VDD
RI
7
VCC
155oC
33V
OTP
Latch
OVP
OLP
28V
Protect
Logic
Latch
OVP
OLP
Disable
BOK
Control
Logic
(Note*)
OTP
8
15V
Driver
GATE
4.5V
Latch
D
Q
CLK
RB
25A
OSC
5
ADJ
4V
5V
55k
Disable
OLP
1A
3
6
5K
BOK
BOK
2R
2
1
0.9V
0.5V
1.1V
0.85V
5V
FB
R
2mS
Soft Start
GND
SENSE
LEB
Latch
OVP
OLP
Latch
OVP
Note*
Latch
Control Logic for
AP3102
Control Logic for
AP3102V
Control Logic for
AP3102L
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Absolute Maximum Ratings (Note 4)
Symbol
Parameter
Rating
Unit
V
VCC
IO
Power Supply Voltage
Gate Output Current
30
mA
V
500
-0.3 to 7
-0.3 to 7
186
VFB, VSENSE
VRI, VADJ
θJA
Input Voltage to FB,SENSE pin
Input Voltage to RI, ADJ pin
V
Thermal Resistance (Junction to Ambient)
ºC/W
Power Dissipation and Thermal Characteristic, SENSE at
TA<+25ºC
PD
550
mW
TJ
TSTG
–
Operation Junction Temperature
Storage Temperature Range
ESD (Human Body Model)
ESD (Machine Model)
-40 to +150
+150
ºC
ºC
V
2500
–
250
V
Note 4: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied.
Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability.
Recommended Operating Conditions
Symbol
VCC
Parameter
Min
10
Max
25
Unit
V
Supply Voltage
Ambient Operating Temperature Range
TA
-40
+85
ºC
Electrical Characteristics (VCC =16V, TA=+25°C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply Voltage (VCC Pin)
ISTART-UP
ICC
Start-up Current
VCC=14.8V
–
1.5
2
5
2.5
3
15
3.5
4
A
VFB=0V, CL=1nF
Operating Supply Current
mA
VFB=3V, CL=1nF
–
–
–
–
–
UVLO (on)
UVLO (off)
VCC OVP
–
15.2
7.8
27
–
16.2
8.8
28.5
–
17.2
9.8
30
V
V
V
V
V
–
–
VCC Clamp
De-Latch VCC
ICC=5mA
34
–
4.5
6
7.5
PWM Section/Oscillator Section
–
–
–
–
–
–
–
Maximum Duty Cycle
–
70
–
75
0
80
–
%
Minimum Duty Cycle
–
Oscillation Frequency
RRI=26k
RRI=26k
-40oC to +85oC
VCC=12V to 30V
–
60
22
–
65
–
70
–
kHz
kHz
Frequency in Skip Mode
Frequency Temperature Stability
Frequency Voltage Stability
Frequency Dithering
–
5
%
%
%
–
–
3
–
6
–
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Electrical Characteristics (VCC =16V, TA=+25°C, unless otherwise specified.) (Cont.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Current Sense Section (SENSE Pin)
VBOK=0.95V
0.75
0.63
150
50
0.8
0.68
250
150
2
0.85
0.73
350
250
–
VCS
Maximum SENSE Voltage
V
VBOK=2.76V
RRI=26k
–
–
–
–
LEB Time of SENSE
Delay to Output
Soft-start Time
ns
ns
RRI=26k
–
ms
Feedback Input Section (FB Pin)
The Ratio of Input Voltage to
–
–
2.5
3
3.5
V/V
Current Sense Voltage
Input Impedance
Source Current
–
–
–
–
3
–
–
4.5
–
6
k
mA
V
–
-2
Input Voltage for Zero Duty
VADJ=0V
–
1.2
Output Section (GATE Pin)
V
V
–
–
–
–
–
Output Low Level
IO=50mA, VCC=12V
IO=50mA, VCC=12V
–
–
–
–
1
–
Output High Level
Output Clamping
Rising Time
8.5
13
15
250
50
17
350
90
V
CL=1nF, VCC=13V
CL=1nF, VCC=13V
150
30
ns
ns
Falling Time
Brownout Protection (BOK Pin)
–
–
–
–
–
Brownout Turn-on
–
0.85
0.45
5.5
–
0.9
0.5
0.95
0.55
6.9
–
V
Brownout Turn-off
–
Clamp Voltage on BOK
Line Compensation Ratio
Line OVP Voltage
IBOK=1mA
6.2
V
–
–
–
0.055
4
3.5
4.5
V
Skip Cycle Section (ADJ Pin)
–
–
–
–
Source Current
–
–
–
–
10
4.2
4
25
4.5
5
45
4.8
6
A
V
Latch Trigger Voltage
Clamp Voltage on ADJ
Input Impedance
V
35
50
65
k
Over-Temperature Protection Section
–
Shutdown Temperature
–
–
–
–
+155
+25
–
–
oC
oC
–
Temperature Hysteresis
Delay Time Section
RRI=26k, Output short and OLP
BOK pin trigger for turning off
–
Delay 1 of Protection
Delay 2 of Protection
25
35
25
45
ms
RRI=26k,
ADJ, VCC OVP, Line OVP
BOK pin trigger for turning on
–
–
–
s
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Performance Characteristics
Start-up Voltage vs. Ambient Temperature
Shutdown Voltage vs. Ambient Temperature
17.0
16.8
16.6
16.4
16.2
16.0
15.8
15.6
15.4
15.2
15.0
9.9
9.7
9.5
9.3
9.1
8.9
8.7
8.5
8.3
8.1
-40
-20
0
20
40
60
80
100
120
140
-40
-20
0
20
40
60
80
100
120
Ambient Temperature (oC)
Ambient Temperature (oC)
Operation Current vs. Ambient Temperature
Start-up Current vs. Ambient Temperature
4
8
7
6
5
4
3
2
1
0
3
2
1
0
-40
-20
0
20
40
60
80
100
120
140
-40
-20
0
20
40
60
80
100
120
Ambient Temperature (oC)
Ambient Temperature (oC)
Maximum VCS vs. Ambient Temperature
VBOK vs. Ambient Temperature
1.00
0.98
0.96
0.94
0.92
0.90
0.88
0.86
0.84
0.82
0.80
0.86
0.84
0.82
0.80
0.78
0.76
0.74
0.72
0.70
At VBOK=0.95V
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Ambient Temperature (oC)
Ambient Temperature (oC)
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Performance Characteristics (Cont.)
VCC OVP Voltage vs. Ambient Temperature
Oscillation Frequency vs. Bias Resistor
30.00
29.75
29.50
29.25
29.00
28.75
28.50
28.25
28.00
200
180
160
140
120
100
80
fOSC Typical
60
40
20
-40
-20
0
20
40
60
80
100
120
140
10
15
20
25
30
35
40
45
Ambient Temperature (oC)
Bias Resistor (k)
Oscillation Frequency vs. Ambient Temperature
VCC Start-up Current vs. VCC Voltage
(R8=27k)
8.0
90
fOSC Typical
80
6.0
4.0
2.0
0.0
70
60
50
40
0
4
8
12
16
-40
-20
0
20
40
60
80
100
120
140
Ambient Temperature (oC)
VCC (V)
Operation Current vs. VCC Voltage
4
3
2
1
0
0
4
8
12
16
20
24
VCC (V)
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Operation Description
The AP3102/V/L is specifically designed for off-line AC-DC power supply used in LCD monitor, notebook adapter and battery charger applications.
It offers a cost effective solution with versatile protection functions for system designer.
Start-up Current and UVLO
The start-up current of AP3102/V/L is optimized to realize ultra low current (5A typical) so that VCC capacitor can be charged more quickly. The
direct benefit of low start-up current is the availability of using large start-up resistor, which minimizes the resistor power loss for high voltage AC
input.
A UVLO comparator is included in AP3102/V/L to detect the voltage on the VCC pin. It ensures AP3102/V/L to draw adequate energy from hold-
up capacitor during power-on. The turn-on threshold is 16V and the turn-off threshold is 10V.
Oscillator
The oscillation frequency is programmed by the value of resistor R8, connected from pin RI to ground. The resistor will make a constant current
source to determine the oscillation frequency by charging and discharging an internal capacitor.
The oscillation frequency can be expressed as:
1720
f
(kHz)
R8(k)
The recommended oscillation frequency is 40 to 130kHz from the EMI consideration.
Current Sense Comparator and PWM Latch
AP3102/V/L operates as a current mode controller; the output switch conduction is initiated by every oscillator cycle and terminated when the peak
inductor current reaches the threshold level established by the FB pin. The inductor current signal is converted to a voltage signal by inserting a
reference sense resistor RS. The inductor current under normal operating conditions is controlled by the voltage at FB pin, the relation between
peak inductor current (IPK) and VFB is:
IPK (VFB 0.9)/3RS
Abnormal operating conditions occur when the power supply output is overloaded or the output voltage sensing is lost. Under these conditions, the
current sense comparator threshold will be internally clamped to a value related to the value of VBOK. As VBOK value is proportional to the input line
voltage, the constant over load protection can be achieved by compensating the delay time effect from the input line. The maximum peak switch
current is:
IPK(MAX) (0.850.055VBOK )/ RS
Leading-edge Blanking
A narrow spike on the leading edge of the current waveform can usually be observed when the power MOSFET is turned on. A 250ns leading-
edge blank is built-in to prevent the false-triggering caused by the turn-on spike. During this period, the current limit comparator is disabled and the
gate driver can not be switched off. A resistor is usually connected to the current sense pin to avoid the PCB trace interference and it also can
adjust the inductor peak current tinily by the resistance. Of course, adding a RC filter to CS pin is better to attenuate any unexpected noise.
Built-in Slope Compensation
It is well known that a continuous current mode SMPS may become unstable when the duty cycle exceeds 50%. The built-in slope compensation
can improve the stability, so there is no need for design engineer to spend much time on that.
FB Pin and Short Circuit Protection
This pin is normally connected to the opto-coupler and always paralleled with a capacitor for loop compensation. When the voltage at this pin is
greater than 4.2V (such as output short to ground or the opto-coupler is broken) and lasts for about 35ms, the IC will enter the protection mode.
For AP3102, the system will enter hiccup mode to wait the VCC decreasing to low UVLO level, then the IC will try to restart until the failure
removes. For AP3102V, the IC will be latched unless unplugging the AC socket. Moreover, if the voltage is less than 0.7V, the IC will stop the
drive pulse immediately. Therefore, this feature can be used for short circuit protection, which makes the system immune from catastrophic failure.
8 of 14
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Operation Description (Cont.)
Brown-out and BOK Pin
The switching converter normally has a suitable input range, thus it makes the switching component operate under the safe operation condition.
Too low or too high input will bring large heat shock or voltage spike on the switching device. Brown-out and line OVP function will avoid the
supply to be worked in the unwanted condition such as below minimum and over maximum line voltage. The internal BOK connection is shown as
the figure below:
OVP
VCB
+
4V
1A
R1
Disable
BOK
UVLO
BOK
3
OCP
0.85V
BOK
0.9V
0.5V
5V
R2
6
SENSE
From the figure, it is seen that the BOK is connected to the OCP comparator and used as feedforward to the VCS_MAX (Refer to current sense
comparator description). The VBOK range for enable IC is 0.9 to 3.0V and disable range is under 0.5V or over 4V. When VBOK is over 4V (line OVP)
or under 0.5V (brown-out trigger), the IC enters the auto-recoverable protection. The ratio of R1/R2 is used to adjust the line voltage divider value.
4V
HV
VON
HV OK Range
VOFF
VCC
35mS
UVLO
No Gate
No Gate Output
No Gate Output
ADJ Pin and Green Mode Operation
Low standby loss is the main requirement for AC-DC off line power supply. The AP3102/V/L has a green mode operation to improve the light load
or no load efficiency. When the load power becomes low and VFB decreases to the threshold value, the IC will enter the green mode which means
the switching frequency will decrease with the load decrease. And when the load power becomes much lower, the IC will operate at the skip mode
to reduce switching loss, core loss and other high frequency loss due to blanking the driver. In skipping mode, the high frequency pulses is about
25kHz for the best standby performance.
ADJ
25A
5
Skip Cycle
RADJ
Driver
Control
Circuit
FB
2R
R
2
6
Slope
Compensation
SENSE
LEB
A
0.85V
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Operation Description (Cont.)
The VADJ threshold is adjustable by changing the external resistor connected from pin ADJ to the ground. Adjusting the VADJ voltage can optimize
the standby power and audible noise for most applications.
Another function of ADJ pin is to use it as the latch trigger input. When the voltage at this pin is more than 4.5V, the system will be latched by
limiting the VCC to a lower voltage. If the IC is started from bulk capacitor through resistor, the system will be latched until the bulk voltage
decreases to a very low value just like unplugged the AC input. Then, the IC latch current can't be maintained and latch will be released (see
description below). This function can be used as system OTP and other protection.
System Protection and Pin Fault Protection
AP3102/V/L provides versatile system and pin fault protections. The OCP comparator realizes the cycle-by-cycle current limiting (OCP).
Cooperating with BOK compensation from the input line voltage, the IC realizes the constant over load protection (OLP). VCC over voltage
protection can be applied as the primary OVP or opto-coupler broken protection. The AP3102/V/L also has pin fault connection protection
including floating and short connection. The floating pin protection includes the RI, SENSE, FB, etc; the short pin protection includes the RI pin
short protection. When these pins are floated or RI pin is shorted to ground, PWM switching will be disabled, thus protect the power system. Below
figures show the relative timing sequences of system protections.
Line OVP & Brown-Out
Output Short
Vo
VCC OVP (AP3102)
VBOK
VFB
4V
25S
4.2V
35mS
28V
25S
0.5V
35mS
VCC
UVLO
Gate drive
Auto Recoverable Protection Mode
Latch through ADJ Pin
Output Short (AP3102L)
Vo
VCC OVP
(AP3102V, AP3102L)
VFB
28V
25S
4.2V
35mS
4V
>25S
VADJ
VADJ
UVLO
UVLO
VCC
Gate
drive
De-latch Point
Latch until unplug AC
Latch Protection Mode
Typical Timing Sequences of AP3102/V/L Protections
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Ordering Information
AP3102/V/L X XX - XX
Product Version
Package
M: SO-8
Packing
RoHS/Green
G1 : Green
Product Name
Blank: AP3102
V: AP3102V
L: AP3102L
TR : Tape & Reel
Blank: Tube
Diodes IC’s Pb-free products with "G1" suffix in the part number, are RoHS compliant and green.
Package
Temperature Range
Part Number
AP3102M-G1
Marking ID
3102M-G1
Packing
100/Tube
AP3102MTR-G1
AP3102VM-G1
AP3102VMTR-G1
AP3102LM-G1
3102M-G1
4000/Tape & Reel
100/Tube
3102VM-G1
3102VM-G1
3102LM-G1
3102LM-G1
SO-8
-40 to +85oC
4000/Tape & Reel
100/Tube
AP3102LMTR-G1
4000/Tape & Reel
Product Version Classification (with Different Protection Functions)
Product Version
AP3102
External Trigger by ADJ
VOVP
Output Short (OLP)
Auto-Recoverable
Auto-Recoverable
Latch
Latch
Latch
Latch
Auto-Recoverable
AP3102V
Latch
Latch
AP3102L
Marking Information
(Top View)
First and Second Lines: Logo and Marking ID
(See Ordering Information)
Third Line: Date Code
Y: Year
WW: Work Week of Molding
A: Assembly House Code
XX: 7th and 8th Digits of Batch No.
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Package Outline Dimensions (All dimensions in mm(inch).)
(1) Package Type: SO-8
4.700(0.185)
0.320(0.013)
TYP
1.350(0.053)
5.100(0.201)
~ 9
1.750(0.069)
°
9
~
°
7
0.600(0.024)
0.725(0.029)
D
5.800(0.228)
6.200(0.244)
1.270(0.050)
TYP
D
20:1
0.100(0.004)
0.300(0.012)
Option 1
0°
8°
1.000(0.039)
TYP
3.800(0.150)
4.000(0.157)
Option 1
0.150(0.006)
0.250(0.010)
1°
7°
0.300(0.012)
0.510(0.020)
06)
(0.0
150
R0.
0.450(0.017)
0.820(0.032)
Option 2
0.350(0.014)
TYP
Note: Eject hole, oriented hole and mold mark is optional
.
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
Suggested Pad Layout
(1) Package Type: SO-8
Grid
placement
courtyard
G
Y
Z
E
X
Z
G
X
Y
E
Dimensions
Value
(mm)/(inch)
(mm)/(inch)
(mm)/(inch)
(mm)/(inch)
(mm)/(inch)
6.900/0.272
3.900/0.154
0.650/0.026
1.500/0.059
1.270/0.050
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© Diodes Incorporated
AP3102/V/L
Document number: DS37419 Rev.2 - 2
A Product Line of
Diodes Incorporated
AP3102/V/L
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2014, Diodes Incorporated
www.diodes.com
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© Diodes Incorporated
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Document number: DS37419 Rev.2 - 2
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