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參數(shù)資料
| 型號： | LP2951CS-L-5.0 |
| 元件分類： | 固定／可調(diào)正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 29K |
| 代理商： | LP2951CS-L-5.0 |
2002 Short Form Catalog
P-11
Copyright 2001 Sipex Corporation
P
description
The LP2950 and LP2951 are low power voltage regulators. These
devices are an excellent choice for use in battery-powered applications
such as cordless telephones, radio control systems, and portable com-
puters. The LP2950 and LP2951 feature low quiescent current and
low dropout voltage (typ. 50mV at light load and 380 mV at 100mA).
This includes a tight initial tolerance of 0.5% (typ.), extremely good
load and line regulation (0.05% typ.), and very low output temperature
coefficient, making the LP2950/LP2951 useful as a low-power voltage
reference.
The error flag output feature is used as a power-on reset for warning
of a low output voltage, due to a falling input voltage. The logic-com-
patible shutdown feature enables the regulator to be switched ON and
OFF. The LP2950 is offered in a 3-pin TO-92 package compatible with
other 5V, 3.0V & 3.3V regulators. The LP2951 is available in an 8-lead
SOIC package.
LP2950/LP2951
100 mA Low Dropout Voltage Regulators
features
s Guaranteed 100mA Output
Current
s 5.0V and 3.3V Versions @
100mA Output
s Very Low Quiescent Current
s Low Dropout Voltage: 380mV
at 100mA
s Extremely Tight Load and Line
Regulation
s Very Low Temperature
Coefficient
s Current & Thermal Limiting
s Need Only 1F for Stability
s LP2951 versions only
Error Flag Warns of Output
Dropout
Logic-Controlled Electronic
Shutdown
Output Programmable From
1.24 to 29V
s Offered in TO-92 (LP2950) &
SOIC (LP2951)
applications
s Battery Powered Systems
s Cordless Telephones
s Radio Control Systems
s Portable/Palm Top/Notebook
Computers
s Portable Consumer Equipment
s Portable Instrumentation
s SMPS Post-Regulator
s Voltage Reference
s Automotive Electronics
typical application circuits
100K
OUTPUT
ERROR
______
SD
VOUT
GND
FB
+VIN
1.23V
1.2 to 30V
R1
.01uF
3.3uF
R2
V
REF
3
8
5
1
4
7
SHUTDOWN
INPUT
+
LP2951
Adjustable Regulator
470k
ERROR
______
SD
V
OUT
GND
+V
IN
+V
IN
R
1
1uF
R
2
3
8
5
1
4
+
FB
7
V
OUT
..
LP2951
RESET
Latch Off When Error Flag Occurs
470k
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| 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 |
| LP2985AIM5-3.2/NOPB | 3.2 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PDSO5 |
| LP2985AIM5-3.5/NOPB | 3.5 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PDSO5 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP2951CS-L-5-0/TR | 功能描述:低壓差穩(wěn)壓器 - LDO 100mA LDO VOLTAGE REGULATOR 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2951CS-X | 制造商:CALOGIC 制造商全稱:CALOGIC 功能描述:100mA Low Dropout Voltage Regulators |
| LP2951CZ-5.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Fixed & Adjustable Voltage Regulator |
| LP2951D | 功能描述:低壓差穩(wěn)壓器 - LDO Adj Micropwr Vltg 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 |
| LP2951-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:100 mA LOW-DROPOUT VOLTAGE REGULATOR |
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