R1122N Datasheet, PDF (2/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

n BLOCK DIAGRAM
R1122NXX1A
3
VDD
1
VOUT
3
VDD
R1122NXX1B
1
VOUT
Vref
CE
Current Limit
4
GND
CE
2
4
Vref
Current Limit
GND
2
n SELECTION GUIDE
The output voltage, the active type, the packing type, and the taping type for the ICs can be selected at the user's request.
The selection can be made by designating the part number as shown below :
R1122NXX1X-XX
-- -
ab c
¬Part Number
Code
a
b
c
Contents
Setting Output Voltage (VOUT) :
Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is possible.
Designation of Active Type :
A : active “L” type
B : active “H” type
Designation of Taping Type :
Ex. TR, TL (refer to Taping Specifications; TR type is the standard direction.)
Rev. 1.10
-2-