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L1087C ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - List of Unclassifed Manufacturers

๋ถ€ํ’ˆ๋ช… L1087C
์ƒ์„ธ๋‚ด์šฉ  0.8A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
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L1087C ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - List of Unclassifed Manufacturers

   
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L1087 Series
SOT-89,TO-92
AUG-30-2001
0.8A Fixed and Adjustable Low Dropout
Linear Regulator (LDO)
NIKO-SEM
GENERAL DESCRIPTION
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 โ€ฆetc.
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
Fixed 3.3V or adjustable output voltage
Low dropout voltage
Low ground current
Fast transient response
Current & thermal limiting
Line regulation: 0.5% typical
Load regulation: 0.5% typical
Available in SOT-89 & TO-92 package
APPLICATIONS
Low voltage micro-controllers
Battery Chargers
5V to 3.3V linear regulators
Motherboard clock supplies
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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