R1224N122G RICOH [RICOH electronics devices division], R1224N122G Datasheet - Page 4

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

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