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參數(shù)資料
| 型號(hào)： | LP3991TLX-1.2 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 300mA Linear Voltage Regulator for Digital Applications |
| 中文描述： | FIXED POSITIVE LDO REGULATOR, PBGA4 |
| 封裝： | 0.963 X 1.446 MM, LEAD FREE, MICRO SMD-4 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大?。?/td> | 266K |
| 代理商： | LP3991TLX-1.2 |
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Output Capacitor, Recommended Specifications
Parameter
Conditions
Typ
Limit
Units
Min
Max
C
OUT
Output Capacitor
Capacitance
(Note 16)
V
OUT
≥
1.5V
V
OUT
< 1.5V
(Note 17)
4.7
2
μF
2.2
1.6
ESR
5
500
m
Note 16:
The capacitor tolerance should be 30% or better over temperature. The full operating conditions for the application should be considered when selecting
a suitable capacitor to ensure that the minimum value of capacitance is always met. Recommended capacitor type is X7R or X5R. (See capacitor section in
Applications Hints)
Note 17:
On lower voltage options, 2.2μF output capacitor may be used but some degradation in load transient (10 -15%) can be expected, compared to a 4.7μF.
www.national.com
6
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| LP3991TLX-2.0/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3991TLX-2.5/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3991TLX-2.8/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3991TLX-3.0/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3992IMF-1.5 | 制造商:Texas Instruments 功能描述:IC, V REG 30MA, SHUTDOWN, SMD, 3992 制造商:Texas Instruments 功能描述:LDO, FIXED, 1.5V, 30mA, 5.2V, SOT-23-5; Primary Input Voltage:5.2V; Output Voltage Fixed:1.5V; Dropout Voltage Vdo:400V; No. of Pins:5; Output Current:30mA; Operating Temperature Min:-40C; Operating Temperature Max:125C ;RoHS Compliant: Yes |
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