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R1232D231A Datasheet(PDF) 7 Page - RICOH electronics devices division

Part # R1232D231A
Description  PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R1232D231A Datasheet(HTML) 7 Page - RICOH electronics devices division

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R1232D
7
TEST CIRCUIT
PGND
VIN
VDD
CE
VFB
TEST
AGND
LX
A
Test Circuit for Input Current and Leakage Current
PGND
VIN
VDD
CE
VFB
TEST
AGND
LX
A
PGND
VIN
VDD
CE
VFB
TEST
AGND
LX
V
Test Circuit for Supply Current and Standby Current
Test Circuit for ON resistance of LX
PGND
VIN
VDD
CE
VFB
TEST
AGND
LX
OSCILLOSCOPE
Input Voltage, Output Voltage, Frequency, Lx Current Limit,
Protection Delay Time, UVLO Voltage Test Circuit
PGND
VIN
VDD
CE
VFB
TEST
AGND
LX
OSCILLOSCOPE
Soft Start Time Test Circuit
The bypass capacitor between power supply and GND is a ceramic capacitor 10
µF.


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