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| R1131D081A Datasheet, PDF (2/30 Pages) RICOH electronics devices division – Low Voltage 300mA LDO REGULATOR | |||
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R1131x
BLOCK DIAGRAM
R1131xxxxA
VDD
VOUT
VDD
R1131xxxxB
VOUT
Vref
Current Limit
CE
R1131xxxxD
VDD
GND
CE
VOUT
Vref
Current Limit
GND
Vref
Current Limit
CE
GND
SELECTION GUIDE
The output voltage, the chip enable polarity, package type, and the taping type for the ICs can be selected at
the user's request. The selection can be available by designating the part number as shown below;
R1131xxxxx-xx-x âPart Number
â â ââ â â
a b a'c d e
Code
a, a'
b
c
d
e
Contents
Designation of Package Type :
R1131Nxx1x: SOT-23-5 (Mini-mold)
R1131Dxx1x: SON-6,
R1131Dxx2x: HSON-6
Setting Output Voltage (VOUT):
Stepwise setting with a step of 0.1V in the range of 0.8V to 3.3V is possible.
If the output=1.85V, then the code is R1131x18xx5.
If the output=2.85V, then the code is R1131x28xx5.
Designation of Chip Enable Option :
A:âLâ active type.
B:âHâ active type.
D:"H" active and with auto discharge function
Designation of Taping Type : TR
Refer to Taping Specifications
Designation of composition of plating:
âF : Lead free plating (SOT-23-5,SON-6,HSON-6)
2
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