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參數資料
| 型號： | LP3996SDX-3033 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Dual Linear Regulator with 300mA and 150mA Outputs and Power-On-Reset |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10 |
| 封裝： | 3 X 3 MM, LEAD FREE, LLP-10 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 871K |
| 代理商： | LP3996SDX-3033 |
LP3996
Dual Linear Regulator with 300mA and 150mA Outputs
and Power-On-Reset
General Description
The LP3996 is a dual low dropout regulator with power-on-
reset circuit. The first regulator can source 150mA, while the
second is capable of sourcing 300mA and has a power-on-
reset function included.
The LP3996 provides 1.5% accuracy requiring an ultra low
quiescent current of 35μA. Separate enable pins allow each
output of the LP3996 to be shut down, drawing virtually zero
current.
The LP3996 is designed to be stable with small footprint
ceramic capacitors down to 1μF. An external capacitor may
be used to set the POR delay time as required.
The LP3996 is available in fixed output voltages and comes
in a 10 pin, 3mm x 3mm, LLP package. .
Features
n
2 LDO Outputs with Independent Enable
n
1.5% Accuracy at Room Temperature, 3% over
Temperature
n
Power-On-Reset Function with Adjustable Delay
n
Thermal Shutdown Protection
n
Stable with Ceramic Capacitors
Key Specifications
n
Input Voltage Range
n
Low Dropout Voltage
n
Ultra-Low I
Q
(enabled)
n
Virtually Zero I
Q
(disabled)
2.0V to 6.0V
210mV at 300mA
35μA
<
10nA
Package
All available in Lead Free option.
10 pin LLP 3mm x 3mm
For other package options contact your NSC sales office.
Applications
n
Cellular Handsets
n
PDA’s
n
Wireless Network Adaptors
Typical Application Circuit
20145801
November 2006
L
2006 National Semiconductor Corporation
DS201458
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LP3996SDX-3033/NOPB | 功能描述:低壓差穩壓器 - 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3996SDX-3308 | 功能描述:低壓差穩壓器 - 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3996SDX-3308/NOPB | 功能描述:低壓差穩壓器 - 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3996SDX-3333 | 功能描述:低壓差穩壓器 - 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3996SDX-3333/NOPB | 功能描述:低壓差穩壓器 - 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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