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參數(shù)資料
| 型號(hào)： | L1087 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 800mA fixed and adjustable low dropout linear regulator |
| 中文描述： | 800mA的固定和可調(diào)的低壓降線性穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 60K |
| 代理商： | L1087 |
GENERAL DESCRIPTION
1
L1087 Series
SOT-89,TO-92
AUG-30-2001
0.8A Fixed and Adjustable Low Dropout
Linear Regulator (LDO)
NIKO-SEM
The L1087 Series are positive and low
dropout three-terminal voltage regulators
with 0.8A output current capability. These
devices are designed for use in low voltage
applications that offers lower dropout volt-
age and faster transient response.
These devices are fully protected against
over current faults, over temperature oper-
ation, reversed input polarity, reversed lead
insertion, transient voltage spike …etc.
On-Chips trimming the reference voltage to
1% and features the low dropout of maxi-
mum 1.45 volts.
The L1087 Series regulators offer fixed and
adjustable voltage options available in the
space saving SOT-89 & TO-92 package.
FEATURES
z
Fixed 3.3V or adjustable output voltage
z
Low dropout voltage
z
Low ground current
z
Fast transient response
z
Current & thermal limiting
z
Line regulation: 0.5% typical
z
Load regulation: 0.5% typical
z
Available in SOT-89 & TO-92 package
APPLICATIONS
z
Low voltage micro-controllers
z
Battery Chargers
z
5V to 3.3V linear regulators
z
Motherboard clock supplies
z
Post regulator for switching supplies
TYPICAL APPLICATION
- Basic Adjustable Regulator Circuit -
- Fixed Voltage Regulator -
OUT
2. Cout required for stability.
+
Cout
10uF
Vin > 4.75V
GND
1. Cin needed if device is far from filter capacitors.
Vout = 3.3V
+
Cin
10uF
RL
L1087-3.3
IN
IN
OUT
Iadj
ADJ
Vref
R2
+
Cin
10uF
1. Cin needed if device is far from filter capacitors.
L1087
2. Cout required for stability.
R1
Vo = Vref (1+R2/R1) + Iadj x R2
Vout
Vin
+
Cout
10uF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L1087-3.3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:0.8A Fixed and Adjustable Low Dropout Linear Regulator (LDO) |
| L1087AYT-2.85 WAF | 制造商:Texas Instruments 功能描述: |
| L1087C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:0.8A Fixed and Adjustable Low Dropout Linear Regulator (LDO) |
| L1087DTX-2.85 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:800mA fixed and adjustable low dropout linear regulator |
| L1087DTX-3.3 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:800mA fixed and adjustable low dropout linear regulator |
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