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PDF L1087N-3.3 Data sheet ( Hoja de datos )
| Número de pieza | L1087N-3.3 | |
| Descripción | 0.8A Fixed and Adjustable Low Dropout Linear Regulator (LDO) | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L1087N-3.3 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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NIKO-SEM
0.8A Fixed and Adjustable Low Dropout
Linear Regulator (LDO)
L1087 Series
SOT-89,TO-92
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 …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
Vin
Cin
10uF
+
L1087
IN OUT
ADJ
Vref
Iadj
Vout
R1
Cout
+
10uF
R2
Vin > 4.75V
IN
L1087-3.3
OUT
Vout = 3.3V
Cin
+
10uF
GND
Cout
+
10uF
RL
Vo = Vref (1+R2/R1) + Iadj x R2
1. Cin needed if device is far from filter capacitors.
2. Cout required for stability.
- Basic Adjustable Regulator Circuit -
1. Cin needed if device is far from filter capacitors.
2. Cout required for stability.
- Fixed Voltage Regulator -
1 AUG-30-2001
1 page  
NIKO-SEM
0.8A Fixed and Adjustable Low Dropout
Linear Regulator (LDO)
L1087 Series
SOT-89,TO-92
SOT-89 MECHANICAL DATA
mm mm
Dimension
Dimension
Min. Typ. Max.
Min. Typ. Max.
A 4.3 4.5 4.7 H 1.4 1.5 1.6
B 1.6 1.7 1.8 I 2.8 3.0 3.2
C 0.4 0.5 0.6 J 1.3 1.5 1.7
D 2.4 2.5 2.6 K 3.8 4.2 4.6
E 0.8 1.2 1.4 L 0.3 0.4 0.5
F
0.4 0.45 0.5
M
G 0.4 0.5 0.6 N
5 AUG-30-2001
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet L1087N-3.3.PDF ] | |
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