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R1224N302L Datasheet(PDF) 4 Page - RICOH electronics devices division

Part # R1224N302L
Description  PWM/VFM step-down DC/DC Converter
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R1224N302L Datasheet(HTML) 4 Page - RICOH electronics devices division

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R1224N
PIN CONFIGURATIO
SOT-23-5
12
3
4
5
(mark side)
PIN DESCRIPTION
Pin No
Symbol
Pin Description
1
CE
Chip Enable Pin (“H” Active)
2
GND
Ground Pin
3
VOUT (VFB)
Pin for Monitoring Output Voltage (Feedback Voltage)
4
EXT
External Transistor Drive Pin (CMOS Output)
5
VIN
Power Supply Pin
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
VIN
VIN Supply Voltage
20
V
VEXT
EXT Pin Output Voltage
−0.3 to VIN+0.3
V
VCE
CE Pin Input Voltage
−0.3 to VIN+0.3
V
VOUT
VOUT/VFB Pin Input Voltage
−0.3 to VIN+0.3
V
IEXT
EXT Pin Inductor Drive Output Current
± 50
A
PD
Power Dissipation (SOT-23-5)*
420
mW
Topt
Operating Temperature Range
−40 to +85
°C
Tstg
Storage Temperature Range
−55 to +125
°C
* ) For Power Dissipation, please refer to PACKAGE INFORMATION to be described.
4


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