參數(shù)資料
型號: R5320G
廠商: Ricoh Co., Ltd.
英文描述: CMOS Multi-LDOs for RF Unit
中文描述: CMOS多組LDO的為射頻
文件頁數(shù): 7/30頁
文件大?。?/td> 271K
代理商: R5320G
Rev.1.13
- 7 -
n
OPERATION
Vref
Current Limit
Error Amp.
R1_1
R2_1
1
8
7
Vref
Current Limit
Error Amp.
R1_2
R2_2
2
6
Vref
Current Limit
Error Amp.
R1_3
R2_3
3
14
5
Fluctuation of each regulator'fs output voltage, or V
OUT1
,
2
,
3
is detected individually and put back to an error amplifier through
feedback resistors, or R1_1, R2_1, R1_2, R2_2, R1_3, R2_3 and compared with a reference voltage and compensated for the
result and make a constant voltage.
In each regulator, short protection is made by a current limit circuit and stand-by mode is available by a chip enable circuit.
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