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參數(shù)資料
| 型號： | LP2951A |
| 廠商： | Semtech Corporation |
| 英文描述： | 150mA Adjustable Voltage Regulators(低壓差，5V固定輸出或可調(diào)輸出(1.24-29V)，150mA穩(wěn)壓器) |
| 中文描述： | 150mA的可調(diào)穩(wěn)壓器（低壓差，5V的固定輸出或可調(diào)輸出（1.24 - 29V），150mA的穩(wěn)壓器） |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 175K |
| 代理商： | LP2951A |
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www.semtech.com
LP2951A
150mA Adjustable
Voltage Regulator
POWER MANAGEMENT
Revision 1, January 2001
u Guaranteed 150mA current
u Adjustable output voltage - 1.24V to 29V
u Accurate 5V output @ 150mA
u Low dropout voltage - 350 to 400mV @ 150mA
u Regulator or reference functions
u Direct replacement for LP2951AC, MIC2951-02,
AS2951AC
u Full industrial temperature range
u SO-8 package
The LP2951A is an improved version of the LP2951 and
features tighter tolerance on the output voltage and
reference voltage specifications. Both the LP2951 and
LP2951A feature 150mA output current capability.
The LP2951 series of low power voltage regulators have
low quiescent current and low dropout voltage. The
quiescent current increases minimally during dropout
conditions thereby extending battery life.
Available in the 8 lead SOIC package, the LP2951 series
includes features such as shutdown and low output
voltage detect (typically due to low battery conditions).
This function may also be used as a power on reset
function when triggered by CMOS or TTL inputs.
The circuit can be used as a fixed voltage 5 volt regulator
or adjusted between 1.24 volts and 29 volts using
external resistor pairs.
u Microcontroller supplies
u Linear regulators
u Adjustable Supplies
u Switching power supplies - post-regulation
u Portable modems
u Battery powered systems
u Cellular telephones
u Voltage references
ERROR OUTPUT
VOUT = 1.24V to 30V
VIN
SHUTDOWN INPUT
R3
100k
U1
LP2951A
1
2
3
4
5
6
7
8
OUT
SENSE
SHDN
GND
ERRORB
TAP
FB
IN
R2
R1
C1
10nF
+
C2
3.3uF
+
=
2
R
1
R
1
V
REF
OUT
Description
Features
Applications
Typical Application Circuits
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|---|---|
| LP2951CS-L-3.3 | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO8 |
| LP2951CS-L-5.0 | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO8 |
| LP2985AITPX-2.8/NOPB | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PBGA5 |
| LP2985ITPX-2.8/NOPB | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PBGA5 |
| LP2985AIM5-2.6/NOPB | 2.6 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PDSO5 |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP2951AC | 制造商:Alpha & Omega Semiconductor 功能描述: 制造商:Alpha & Omega Semiconductor 功能描述:Electronic Component |
| LP2951ACD | 功能描述:低壓差穩(wěn)壓器 - LDO 1.23-30V or 5V 100mA 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(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2951ACD3.0 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:100 mA, Low Power Low Dropout Voltage Regulator |
| LP2951ACD-3.0 | 功能描述:低壓差穩(wěn)壓器 - LDO 3V 100mA Low Power 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(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2951ACD-3.0G | 功能描述:低壓差穩(wěn)壓器 - LDO 3V 100mA Low Power w/Error Flag Output 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(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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