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參數(shù)資料
| 型號(hào)： | LM2950L-2.85 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 0.1A LOW DROPOUT VOLTAGE REGULATORS |
| 中文描述： | 0.1A低壓差調(diào)節(jié)器 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 99K |
| 代理商： | LM2950L-2.85 |
0.1A LOW DROPOUT VOLTAGE REGULATORS
LM2950
ORDERING INFORMATION
(XX= Output Voltage=2.85, 3.0, 3.3, 5.0V
Adjustable=AD )
PRODUCT DESCRIPTION
The LM2950 is a low power voltage regulator. This device excellent choice for use in battery powered
application such as cordless telephone, radio control systems, and portable computers.
The LM2950 features very low quiescent current (75 Typ.) and very low drop output voltage
(Typ. 40 at light load and 380 at 100).
This includes a tight initial tolerance of 0.5% Typ., extremely good load and line regulation of 0.05% Typ.,
and very low output temperature coefficient, making the LM2950 useful as a low-power voltage reference.
The error flag output feature is used as power-on reset for warn of a low output voltage, due to
following batteries on input. Other feature is the logic-compatible shutdown input which enable the
regulator to be switched on and off. The LM2950 is available in 8-pin plastic packages.
The regulator output voltage may be pin-strapped for a -XX volt or programmed from 1.24 volt to 29 volts
with external pair of resistors. The LM2950 is offered in 3-pin to-92 package compatible with other
fixed regulator.
BLOCK DIAGRAM AND TYPICAL APPLICATIONS
HTC
1
DEVICE
PKG
LM2950L-XX
TO-92
100
MAX
INPUT
OUTPUT
GROUND
UNREGULATED DC
-
+
-
1.23V
+
REFERENCE
60K
ERROR
AMPLIFIER
+
1
V
O
UT
TO-92
1
1. Vout 2. Gnd 3. Vin
Features
- High accuracy output voltage
- Guaranteed 0.1A output
- Very low quiescent current
- Low dropout voltage
- Extermely tight load and line regulation
- Very low temperature coefficent
- Need only 1uF for stability
- Error flag warns of output dropout
- Logi-control electronic shutdown
- Output programmable from 1.24 to 29V
Applications
- Battery powered systems
- Cordless telephones
- Radio control systems
- Portable/Palm top/Notebook
computer
- Portable consumer equipment
- Portable Instrumentation
- Avionics
- Automotive Electronics
- SMPS Post-Regulator
- Voltage Reference
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