SIP4613A [VISHAY]
Protected 1-A High-Side Load Switch; 受保护的1 -A高端负载开关
| 型号： | SIP4613A |
| 厂家： | 
VISHAY |
| 描述： | Protected 1-A High-Side Load Switch |
| 文件： | 总10页 (文件大小：510K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SiP4613A, SiP4613B
Vishay Siliconix
Protected 1-A High-Side Load Switch
DESCRIPTION
FEATURES
SiP4613A, SiP4613B is a protected highside power switch.
It is designed to operate from voltages ranging from 2.4 V to
5.5 V and handle a continuous current of 1 A. The user
settable current limit protects the input supply voltage from
excessive load currents that might cause a system failure.
•
•
•
•
•
•
1 A continuous output current
2.4 V to 5.5 V supply voltage range
User settable current limit level
Low quiescent current
RoHS
COMPLIANT
Undervoltage lockout
SiP4613A, SiP4613B has a low shutdown supply current,
which is reduced to less than 1 µA. A flag output CL is
available to indicate fault conditions such as output short
and thermal protection.
Thermal shutdown protection
• 4 kV ESD rating-HBM
In addition to current limit, the SiP4613A, SiP4613B is
protected by undervoltage lockout and thermal shutdown.
APPLICATIONS
•
•
•
Peripheral ports
The SiP4613A, SiP4613B is available in a lead (Pb)-free
6-pin PowerPAK® TSC75-6 for operation over the industrial
temperature range of - 40 °C to 85 °C.
Hot swap
Notebook computers
• PDAs
TYPICAL APPLICATION CIRCUIT
2.4 V to 5.5 V
IN
OUT
Load
RCL
5K
CIN
SiP4613A
SiP4613B
1 µF
COUT
CL
CL
0.47 µF
Enable
SET
ON/ON
GND
RSET
GND
GND
Document Number: 69998
S-82461-Rev. B, 06-Oct-08
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1
SiP4613A, SiP4613B
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS all voltages referenced to GND = 0 V
Parameter
VIN, VON, VON
IMAX
Limit
Unit
V
- 0.3 to 6
2
A
Storage Temperature
- 65 to 150
- 40 to 150
420
°C
°C
mW
Operating Junction Temperature
Power Dissipationa, PowerPAK TSC75-6
b
131
°C/W
Thermal Impedance (ΘJA
Notes:
)
, PowerPAK TSC75-6
a. Derate 7.6 mW/°C above TA = 70 °C.
b. Device mounted with all leads soldered or welded to PC board.
Stresses beyond 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 in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE all voltages referenced to GND = 0 V
Parameter
Limit
Unit
V
IN
2.4 to 5.5
- 40 to 85
Operating Temperature Range
°C
a
SPECIFICATIONS
Limits
Test Conditions Unless Specified
Min.a Typ.b Max.a
Unit
IN = 5 V, TA = - 40 °C to 85 °C
Parameter
Symbol
Power Supplies
Supply Voltage
Quiescent Current
Shutdown Current
Switch Off Current
Enable Inputs
ON/ON High
VIN
IQ
2.4
5.5
100
1
V
IN = 5 V, ON/ON = Active, lOUT = 0 A
IN = 5 V, ON/ON = Inactive
ISD
µA
IS(off)
IN = 5 V, ON/ON = Inactive, VOUT = 0 V, TA = 25 °C
1
VIH
VIL
1.5
IN = 2.4 V to 5.5 V
ON/ON = 5 V
V
µA
µs
ON/ON Low
0.5
1
ON/ON Leakage Current
Turn Off Time
ILH
tOFF
tON
0.5
55
5
IN = 5 V, RL = 10 Ω
Turn On Time
120
Output
IN = 5 V, TA = 25 °C
IN = 3 V, TA = 25 °C
RSET = 6.81 kΩ
150
180
0.5
125
0.5
4
225
250
On-Resistance
RDS
mΩ
Current Limit
IL
A
mA
A
0.375
0.350
0.625
Minimum Current Limit
Output Short Circuit Current
Current Limit Response Time
Undervoltage Lockout
UVLO Threshold
IL(min)
ISH
RSET = 6.81 kΩ
0.650
2.4
tRESP
IN = 5 V
µs
VUVLO
VHYST
Rising Edge
1.8
V
UVLO Hysteresis
0.05
Thermal Shutdown
Thermal Shutdown Threshold
Hysteresis
T
165
°C
THYST
20
Notes:
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum (- 40 °C to 85 °C).
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
c. Guaranteed by design.
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2
Document Number: 69998
S-82461-Rev. B, 06-Oct-08
SiP4613A, SiP4613B
Vishay Siliconix
PIN CONFIGURATION, ORDERING INFORMATION
OUT
OUT
IN
IN
GND
CL
GND
CL
SET
ON/ON
ON/ON
SET
Bottom View
Top View
TSC75-6 PACKAGE
ORDERING INFORMATION
Part Number
Marking
M3XXX
M4XXX
Temperature Range
Package
SiP4613ADVP-T1-E3
SiP4613BDVP-T1-E3
- 40 °C to 85 °C
- 40 °C to 85 °C
PowerPAK TSC75-6
PowerPAK TSC75-6
XX = Lot Code
W = Work week Code
PIN DESCRIPTION
Pin Number
Name
OUT
GND
SET
Function
1
2
3
Switch output
Ground pin
Current limit level set pin. The level is determinied by the value of a resistor connected from this pin to GND
Shutdown pin. ON/ON, active low on the SiP4613A to turn on the switch, active high to turn off SiP4613A
Active high on the SiP4613B to turn on the switch, active low to turn off SiP4613B
4
ON/ON
CL
IN
CL pin will go low if SiP4613 is operating in current limited condition
Input supply voltage and switch input
5
6
FUNCTIONAL BLOCK DIAGRAM
nW/L
W/L
IN
OUT
CL
Under
Voltage
Lockout
Thermal
Shutdown
SET
ON/ON
Reference
Voltage
GND
Figure 1. SiP4613A/B Block Diagram
Document Number: 69998
S-82461-Rev. B, 06-Oct-08
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3
SiP4613A, SiP4613B
Vishay Siliconix
DETAILED DESCRIPTION
The SiP4613A, SiP4613B limits load current by sampling the
pass transistor current and passing that through an external
resistor, RSET. The voltage across RSET, VSET, is then
compared with an internal reference voltage, VREF. In the
event that load current surpasses the set limit current, VSET
will exceed VREF causing the pass transistor gate voltage to
increase, thereby reducing the gate to source voltage of the
It then follows that assuming an ambient temperature of
70 °C, the maximum power dissipation will be limited to about
419 mW.
There is CL pin designed to indicate the current limit status of
SiP4613. A typical 5 kΩ resistor is required to connect
between CL pin and IN pin. In the event of the output over
load, the current limit flag pin CL will go low to indicate the
current limit status of the device. Figure 2 shows the voltage
on CL pin go low after output short.
PMOS switch and regulating its current back down to ILIMIT
.
Setting the Current Limit Level
Setting the current limit level on the SiP4613A, SiP4613B
requires some care to ensure the maximum current required
by the load will not trigger the current limit circuitry. The
minimum current limit threshold should be determined by
taking the maximum current required by the load, ILOAD, and
adding 25 % headroom. The SiP4613A, SiP4613B has a
current limit tolerance of 25 %, which is largely a result of
process variations from part to part, and also temperature
V
(500 mV/div)
OUT
CL (500 mV/div)
and
VIN/VOUT variances. Thus, to ensure that the actual
current limit is never below the desired current limit a 1/0.80
= 1.25 coefficient needs to be added to the calculations.
Knowing the maximum load current required, the value of
RSET is calculated as follows.
V
R
= 2.4 V
= 6.81 kΩ
OUT
SET
50 µs/div
Figure 2
RSET = RSET coefficient/ILIMIT
The voltage signal in CL pin is not only used to indicate the
output short circuit status. It is also used to indicate the
thermal protection status of the device. Once the thermal
protection is activated in the severe output short circuit
condition, the voltage signal on the CL pin will run into the
thermal protection cycling. Figure 3 shows the voltage
waveform of CL pin after activation of the thermal protection
circuit due to the severe short circuit status of the device’s
output.
where ILIMIT = (ILOAD x 1.25) x 1.20 and RSET coefficient is
3460 for a 500 mA current limit. For typical RSET coefficient
values given
a limit current refer to the "Typical
Characteristics" section.
Operation at Current Limit and Thermal Shutdown
In the event that a load higher than ILIMIT is demanded of the
SiP4613A, SiP4613B the load current will stay fixed at the
current limit established by RSET. However, since the
required current is not supplied, the voltage at OUT will drop.
The increase in VIN - VOUT will cause the chip to dissipate
more heat. The power dissipation for the SiP4613A,
SiP4613B can be expressed as
V
OUT
= 5.5 V
R
SET
= 6.81 kΩ
V
OUT
(2 V/div)
CL (2 V/div)
P = ILOAD x (VIN - VOUT
)
Once this exceeds the maximum power dissipation of the
package, the die temperature will rise. When the die
temperature exceeds an over-temperature limit of 165 °C,
the SiP4613A, SiP4613B will shut down until it has cooled
down to 145 °C, before starting up again. As can be seen in
the figure below, the SiP4613A, SiP4613B will continue to
cycle on and off until the load is reduced or the part is turned
off (see figure 4 on next page).
20 ms/div
Figure 3
The thermal protection is the final protection to the device.
The device will be completely shut down including the open
drain current limit indicator pin CL until the device
temperature drop below 145 °C.
The maximum power dissipation in any application is
dependant on the maximum junction temperature,
T
= 125 °C, the junction-to-ambient thermal resistance
J(MAX)
for the TSC75-6 package, θJ-A = 131 °C/W, and the ambient
temperature, TA, which may be formulaically expressed as:
T (max) - TA
125 - TA
131
J
P(max) =
=
θJ-A
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Document Number: 69998
S-82461-Rev. B, 06-Oct-08
SiP4613A, SiP4613B
Vishay Siliconix
Reverse Voltage
The SiP4613A, SiP4613B is designed to control current
flowing from IN to OUT. If the voltage on OUT is raised higher
than IN current will flow from OUT to IN but the current limit
function will not be available, as can be inferred from the
block diagram in figure 1. Thus, in applications were OUT is
used to charge IN, careful considerations must be taken to
limit current through the device and protect it from becoming
damaged.
RSET = 3.32 kΩ
VOUT = (1 V/div)
IOUT (500 mA/div)
20 ms/div
Figure 4. Current Over load Condition. Load Switch turned on with 0.1 Ω load at time = 0 ms.
Document Number: 69998
S-82461-Rev. B, 06-Oct-08
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5
SiP4613A, SiP4613B
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
40
35
30
25
20
15
10
5
70
60
50
40
30
20
10
0
0
- 40
10
60
110
160
0
1
2
3
4
5
6
V
- Input Voltage (V)
IN
Temperature (°C)
Quiescent Current vs. Input Voltage
Quiescent Current vs. Temperature
250
220
190
160
130
100
70
6
V
= 5.5 V
= 3.9 V
OUT
I
= 100 mA
OUT
5
4
3
2
1
0
V
OUT
V
= 3 V
IN
V
OUT
= 2.4 V
V
IN
= 5 V
R
SET
= 6.81 kΩ
- 40 - 20
0
20
40
60
80
100 120
0
0.1
0.2
0.3
0.4
(V)
0.5
0.6
0.7
Temperature (°C)
RDS(on) vs. Temperature
I
OUT
Output Voltage vs. Output Current
1
10.0
1.0
-1
10
10
10
10
10
-2
-3
-5
-6
0.1
0.01
0.001
- 40 - 20
0
20
40
60
80
100 120
- 40 - 20
0
20
Temperature (°C)
Off Switch Current vs. Temperature
40
60
80
100 120
Temperature (°C)
Off Supply Current vs. Temperature
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Document Number: 69998
S-82461-Rev. B, 06-Oct-08
SiP4613A, SiP4613B
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
120
1
100
80
60
40
20
0
V
= 3 V
IN
V
= 5 V
IN
V
IN
= 5 V
0.5
V
= 3 V
IN
0
- 40
- 40
- 20
0
20
40
60
80
100
- 20
0
20
40
60
80
100
Temperature (°C)
Temperature °C)
Turn-On vs. Temperature
Turn-Off vs. Temperature
RL = 10 Ω, CL = 0.47 µF
RL = 10 Ω, CL = 0.47 µF
1.01
1.00
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
100
10
1
V
IH
V
IL
0.1
1
10
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
I
(A)
LIMIT
V
IN
- Input Voltage (V)
VIH and VIL vs. VIN
RSET vs. ILIMIT
4
3
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
R
= 8 kΩ
SET
V
IN
- V
OUT
= 0.5 V
2
1
0
- 1
- 2
- 3
- 4
3.2
3.1
3.0
0
0.25
0.5
0.75
- 40 - 20
0
20
40
60
80
100 120
(A)
Temperature (°C)
Current Limit vs. Temperature
I
LIMIT
RSET Coefficient vs. ILIMIT
Document Number: 69998
S-82461-Rev. B, 06-Oct-08
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7
SiP4613A, SiP4613B
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
250
200
150
100
50
250
200
150
100
50
I
V
= 100 mA
IN
= 5 V
OUT
V
OUT
= 5 V
0
0
100 200 300 400 500 600 700 800 900 1000
(mA)
- 40 - 20
0
20
Temperature (°C)
RDS(on)_reverse vs. Temperature
40
60
80
100 120
l
IN
RDS(VOUT-IN) vs. Current
TYPICAL WAVEFORMS
VOUT (1 V/div)
VOUT (1 V/div)
IOUT = 500 mA
IOUT = 500 mA
ON (1 V/div)
ON (1 V/div)
20 µs/div
20 µs/div
Turn On
Turn Off
VIN (1 V/div)
VIN (1 V/div)
IOUT = (1 A/div)
VOUT (1 V/div)
IOUT = (2 A/div)
VOUT (1 V/div)
10 µs/div
10 µs/div
Short Circuit through 0.3 Ω, Vin = 3.3 V
Short Circuit through 0.3 Ω, Vin = 5 V
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see http://www.vishay.com/ppg?69998.
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8
Document Number: 69998
S-82461-Rev. B, 06-Oct-08
Package Information
Vishay Siliconix
PowerPAK® TSC75-6L (Power IC only)
D1
Exposed pad
e
b
D
Pin4
Pin 5 Pin6
K
K
PPAK TSC75
(1.6 x 1.6 mm)
E1
E
Exposed pad
L
Pin3
Pin 2
e1
Pin1
K2
K2
Pin 1 Dot
By Marking
Top View
Bottom View
A
C
A1
Side View
MILLIMETERS
INCHES
DIM
A
Min
0.50
0
Nom
0.55
-
Max
0.65
0.05
0.30
0.20
1.65
1.05
1.65
0.65
Min
0.020
0
Nom
0.022
-
Max
0.026
0.002
0.012
0.010
0.065
0.041
0.065
0.026
A1
b
0.20
0.10
1.55
0.95
1.55
0.55
0.25
0.15
1.60
1.00
1.60
0.60
0.50 BSC
1.00 BSC
-
0.008
0.006
0.0061
0.037
0.061
0.022
0.010
0.008
0.063
0.039
0.063
0.024
0.020 BSC
0.039 BSC
-
C
D
D1
E
E1
e
e1
K
0.15
0.20
0.20
-
-
0.006
0.008
0.008
-
K2
L
-
0.25
0.30
0.010
0.012
ECN: S-61919-Rev. A, 02-Oct-06
DWG: 5955
Document Number: 74416
02-Oct-06
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Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
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