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PDF UM5237 Data sheet ( Hoja de datos )
| Número de pieza | UM5237 | |
| Descripción | 3-TERMINAL ADJUSTABLE REGULATOR | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
UM5237
Preliminary
LINEAR INTEGRATED CIRCUIT
3-TERMINAL ADJUSTABLE
REGULATOR
DESCRIPTION
The UTC UM5237 is a 3-terminal adjustable regulator. It’s
used as a variable output voltage regulator.
The UTC UM5237 has a less power dissipation and more
exact loading voltage regulation .it‘s suitable for driver circuit,
differential amplifier and reference voltage generator circuit, etc.
FEATURES
* Wide Input/Output voltage range
* Low Dropout Voltage
* Over current protect
* External circuit can adjust the output voltage
1
SOT-89
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UM5237L-AB3-R
UM5237G-AB3-R
Note: Pin Assignment: O: OUTPUT G: GROUND I: INPUT
Package
SOT-89
Pin Assignment
123
OG
I
UM5237G-AB3-R
(1)Packing Type
(2)Package Type
(3)Halogen Free
(1) R: Tape Reel
(2) AB3: SOT-89
(3) G: Halogen Free, L: Lead Free
Packing
Tape Reel
MARKING INFORMATION
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 6
QW-R101-040.c
Free Datasheet http://www.Datasheet4U.com
1 page  
UM5237
Preliminary
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
1. Standard Application Circuit
VI=12.2V
VO=12V
2SB1314
+
RI 220Ω 100µF
R2 36.6KΩ
CREF
R1
4.3KΩ
1000pF
3 21
VO=VREF
1
R2
R1
V
,
VREF=1.26V
0.33µF
2. Maximum Drive Current Controller Application Circuit
VI=12.2V
VO=12V
2SB1314
+
RI
220Ω
100µF
RIN
470Ω
R2 36.6KΩ
CREF
R1
4.3KΩ
1000pF
3 21
0.33µF
3. Output Voltage ON/OFF Controller
Set control circuit resistor R so that voltage of point A is more than 1.5V and less than 5V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R101-040.c
Free Datasheet http://www.Datasheet4U.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet UM5237.PDF ] | |
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