RS5RM RICOH Co.,Ltd., RS5RM Datasheet - Page 2

• Manufacturer Part Number: RS5RM
• Description: Pwm Step-up Dc/dc Converter With Voltage Regulator And Detector
• Manufacturer: RICOH Co.,Ltd.

2
RS5RM
BLOCK DIAGRAM
SELECTION GUIDE
is designated by Part Number RS5RM5045A-T1.
the ICs can be selected at the user's request.
For example, the product with Output Voltage 5.0V, Detector Threshold 4.5V, Version A, and Taping Type T1,
In the RS5RM Series, the output voltage, the detector threshold, the version symbols, and the taping type for
The selection can be made by designating the part number as shown below:
Code
a
b
c
d
RS5RMxxxxx –xx
Setting Output Voltage (V
Stepwise setting with a step of 0.1V in the range of 1.5V to 6.0V is possible.
Setting Detector Threshold (–V
Stepwise setting with a step of 0.1V in the range of 1.2V to 5.0V is possible.
Designation of Version Symbols:
Designation of Taping Type:
(refer to Taping Specification)
“T2” is prescribed as a standard.
A:
B:
Ex. 8pin SOP
↑ ↑ ↑ ↑
a b c
Operation of all the internal circuits is stopped by setting CE pin at V
Operation of only Step-up DC/DC converter is stopped by setting CE pin atV
VD
VD
OUT
V
CE
IN
SS
d
← Part Number
1
2
3
4
: T1, T2
OSC
OUT
+
–
):
DET
–
+
Soft Start
V
):
Vref1
PWM
LX
Limiter
Contents
+
–
Vref2
8
7
6
5
V
L
V
EXT
X
DD
OUT
DD
level.
DD
level.