R1224N122G RICOH [RICOH electronics devices division], R1224N122G Datasheet - Page 2

• Manufacturer Part Number: R1224N122G
• Description: PWM/VFM step-down DC/DC Converter
• Manufacturer: RICOH [RICOH electronics devices division]

2
BLOCK DIAGRAM
R1224N
EXT
EXT
V
V
IN
IN
5
4
5
4
CONTROL
PWM/VFM
*Adjustable Output Voltage Type
GND
GND
2
2
*Fixed Output Voltage Type
Protection
Protection
OSC
OSC
UVLO
UVLO
Amp
Amp
Soft Start
Soft Start
Vref
Vref
Chip Enable
Chip Enable
Vref
Vref
3
1
3
1
V
CE
V
CE
OUT
FB