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PDF GS432 Data sheet ( Hoja de datos )
| Número de pieza | GS432 | |
| Descripción | Adjustable Precision Shunt Regulators | |
| Fabricantes | Globaltech | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de GS432 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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Adjustable Precision Shunt Regulators
Product Description
The GS432 is a 3 terminal adjustable voltage
reference with specified thermal stability over
applicable commercial temperature ranges.
Output voltage may be set to any value
between V REF (1.24V) and 16V with two
external resistors (see Figure 2). When used
with a photo-coupler, the GS432 is an ideal
voltage reference in isolated feedback circuits
for 1.24V to 16V switching-mode power
supplies.
This device has a typical output impedance of
0.05Ω. Active output circuitry provides a very
sharp turn-on characteristic, making the
GS432 excellent replacements for zener
diodes in many applications, including
on-board regulation and adjustable power
supplies.
Features
Precise Reference Voltage to 1.240V
Guaranteed 1% Reference Voltage
Tolerance
Sink Current Capability, 80μA to 100mA
Quick Turn-on
Adjustable Output Voltage, VO= VREF to
16V
0.2Ω Typical Output Impedance
TO-92 and SOT-23 and SOT-89
Package
Applications
Linear Regulators
Adjustable Power Supplies
Switching Power Supplies
Block Diagram & Symbol
Block Diagram
CATHODE
Symbol
REF +
-
Vref
ANODE
www.gs-power.com 1
1 page  
Test Circuits
VKA = VREF , VO = VKA = VREF
Figure 1.
INPUT
R1
Iref
R2 Vref
VKA
IK
VKA < VREF , VO = VKA
VKA=Vref(1+
R1
R2
)+
Iref
R1
Figure 2.
Figure 3.
IK(OFF)
www.gs-power.com 5
5 Page 
SOT-23 PLASTIC PACKAGE
D
e
E
E1
G
b
e1
Lθ
L1
A A2
A1
c
SYMBOL
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
G
θ
Dimensions
Millimeters
MIN MAX
0.75 1.17
0.05 0.15
0.70 1.02
0.30 0.50
0.08 0.20
2.80 3.04
2.10 2.64
1.20 1.40
0.95 (TYP)
1.90 (TYP)
0.40 0.60
0.54 (TYP)
0.25 (TYP)
0° 8°
MIN
.030
.002
.028
.012
.003
.110
.083
.047
.016
0°
Inches
.037 (TYP)
.075 (TYP)
.021 (TYP)
.010 (TYP)
MAX
.046
.006
.040
.020
.008
.120
.104
.055
.024
8°
www.gs-power.com 11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet GS432.PDF ] | |
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