參數(shù)資料
型號: NJM2871BF34
元件分類: 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述: 3.4 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 5/10頁
文件大?。?/td> 186K
代理商: NJM2871BF34
NJM2871B/72B
- 4 -
Ver.2006-02-20
! TYPICALAPPLICATION
1 In the case where ON/OFF Control is not required:
NJM287*B
VIN
VOUT
CONTROL
NOISE
BYPASS
GND
0.1
F
Cp=0.01
F
VOUT
VIN
R
(0
300k)
1.0
F
*6
*6
1.8V<Vo
≤ 2.6V version : Co=2.2F
Vo
≤1.8V version : Co=4.7F
Connect control terminal to VIN terminal
2 In use of ON/OFF CONTROL:
NJM287*B
VIN
VOUT
CONTROL
NOISE
BYPASS
GND
0.1
F
Cp=0.01
F
VOUT
VIN
R
1.0
F
*6
*6
1.8V<Vo
≤ 2.6V version : Co=2.2F(ceramic)
Vo
≤1.8V version : Co=4.7F(ceramic)
State of control terminal:
“H”→ output is enabled.
“L” or “open” → output is disabled.
%Noise bypass Capacitance Cp
Noise bypass capacitance Cp reduces noise generated by band-gap reference circuit. Noise level and ripple
rejection will be improved when larger Cp is used. Use of smaller Cp value may cause oscillation.
Use the Cp value of 0.01
F greater to avoid the problem.
%In the case of using a resistance "R" between VIN and control.
The current flow into the control terminal while the IC is ON state (ICONT) can be reduced when a pull up resistance
"R" is inserted between VIN and the control terminal.
The minimum control voltage for ON state (VCONT(ON)) is increased due to the voltage drop caused by ICONT and the
resistance "R". The ICONT is temperature dependence as shown in the "Control Current vs. Temperature"
characteristics. Therefore, the resistance "R" should be carefully selected to ensure the control voltage exceeds the
VCONT (ON) over the required temperature range.
相關PDF資料
PDF描述
NJM2871BF38 3.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5
NJM2871BF48 4.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5
NJM2871BF02 2 V FIXED POSITIVE LDO REGULATOR, PDSO5
NJM2871F31 3.1 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5
NJM2871F32 3.2 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5
相關代理商/技術參數(shù)
參數(shù)描述
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