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參數(shù)資料
| 型號： | LP3990SDX-2.8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 150mA Linear Voltage Regulator for Digital Applications |
| 中文描述： | 2.8 V FIXED POSITIVE REGULATOR, PDSO6 |
| 封裝： | LLP-6 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 711K |
| 代理商： | LP3990SDX-2.8 |
LP3990
150mA Linear Voltage Regulator for Digital Applications
General Description
The LP3990 regulator is designed to meet the requirements
of portable, battery-powered systems providing an accurate
output voltage, low noise, and low quiescent current. The
LP3990 will provide a 0.8V output from the low input voltage
of 2V at up to 150mA load current. When switched into
shutdown mode via a logic signal at the enable pin, the
power consumption is reduced to virtually zero.
The LP3990 is designed to be stable with space saving
ceramic capacitors as small as 0.47μF.
Performance is specified for a -40C to 125C junction tem-
perature range.
For output voltages other than 0.8V, 1.35V, 1.5V, 1.8V, 2.5V,
2.8V, or 3.3V please contact your local NSC sales office.
Features
n
1% Voltage Accuracy at Room Temperature
n
Stable with Ceramic Capacitor
n
Logic Controlled Enable
n
No Noise Bypass Capacitor Required
n
Thermal-Overload and Short-Circuit Protection
Key Specifications
n
Input Voltage Range
n
Output Voltage Range
n
Output Current
n
Output Stable - Capacitors
n
Virtually Zero I
Q
(Disabled)
n
Very Low I
Q
(Enabled)
n
Low Output Noise
n
PSRR
n
Fast Start Up
2.0 to 6.0V
0.8 to 3.3V
150mA
0.47uF
<
10nA
43uA
150uV
RMS
55dB at 1kHz
105us
Package
All available in Lead Free option.
4 Pin micro SMD
6 pin LLP (SOT23 footprint)
SOT23 - 5
For other package options contact your NSC sales office.
1 mm x 1.28mm
Applications
n
Cellular Handsets
n
Hand-Held Information Appliances
Typical Application Circuit
20076801
November 2004
L
2004 National Semiconductor Corporation
DS200768
www.national.com
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| LP3990SDX-3.3 | 150mA Linear Voltage Regulator for Digital Applications |
| LP3990TL-0.8 | 150mA Linear Voltage Regulator for Digital Applications |
| LP3990TL-1.2 | CLAMP |
| LP3990TL-1.35 | CLAMP |
| LP3990TL-1.5 | CLAMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3990TL-0.8 | 制造商:Texas Instruments 功能描述:LDO Regulator Pos 0.8V 0.15A 4-Pin uSMD T/R |
| LP3990TL-0.8/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 |
| LP3990TL-1.2 | 制造商:Texas Instruments 功能描述:LDO Regulator Pos 1.2V 0.15A 4-Pin uSMD T/R 制造商:Texas Instruments 功能描述:IC, V REG LDO 0.15A 1.2V, SMD, 3990 |
| LP3990TL-1.2/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 150Ma CMOS LDO Reg 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(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 |
| LP3990TL-1.35 | 功能描述:IC REG LDO 1.35V .15A 4USMD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.3V 輸入電壓:最高 6V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.08V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:LP3988IMFX-3.3 |
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