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GS-R402 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
GS-R402 SMALL SIZE STEP-DOWN SWITCHING REGULATOR FAMILY ST-Microelectronics
STMicroelectronics ST-Microelectronics
GS-R402 Datasheet PDF : 3 Pages
1 2 3
GS-R400/2 FAMILY
CONNECTION DIAGRAM AND MECHANICAL DATA
Dimensions in mm Bottom view
Pin 5 GS-R400V/2 only
PIN DESCRIPTION
Pin
Function
1 + Input
2 Input GND
3 Output GND
4 + Output
5 Program
Description
DC input voltage. Recommended maximum voltage is 40V.
Return for input voltage source.
Return for output current path. Internally connected to pin 2.
Regulated DC output voltage.
A resistor (<10k) connected between this pin and pin 4 sets the + output voltage of the
GS-R400V/2.
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Vo/T Temperature Stability
Vi = Vo+8V Io = 1A
Io Output Current
Vi = Vo+8V
0.1
IoL Current Limit
Vi = Vo+8V
Iisc Average Input Current
Vi = 40V Output Shorted
fs
Switching Frequency
Io = 1A
SVR Supply Voltage Rejection
fo = 100Hz Io = 1A
Vr Ripple Voltage
Io = 1A
tss Soft Start Time
tcb Crowbar Delay Time
Vcth Crowbar Intervention Threshold
Rth Thermal Resistance
Case to ambient
Typ
0.2/0.6
5
0.1
100
4/12
25/100
10/35
5
Vo1.25
8
Max Unit
mV/°C
4
A
8
A
0.2
A
kHz
mV/V
mVpp
ms
µs
V
°C/W
2/3
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