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GS432JWF Schematic ( PDF Datasheet ) - Globaltech

Teilenummer GS432JWF
Beschreibung Adjustable Precision Shunt Regulators
Hersteller Globaltech
Logo Globaltech Logo 




Gesamt 14 Seiten
GS432JWF Datasheet, Funktion
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
0.05. 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
0.2Typical 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






GS432JWF Datasheet, Funktion
Typical Performance Characteristics
Vref.vs Free-Air Temperature
1.26
1.250V
1.25
1.24 1.241V
1.23 1.227V
1.22
0
50 100
Temperature( O C )
150
Iref. vs Free-Air Temperature
0.25
0.2
0.15
0.1
0.05
0
0
20 40 60
80 100 120
Temperature( O C )
Ik(off)vs. Free-Air temperature
0.15
0.1
0.05
0
-0.05 0 20 40 60 80 100 120
Temperature( OC )
Raito of Delta Vref to Delta Vk vs Temperature
0.0015
0.001
0.0005
0 20 40 60 80 100 120
Temperature( O C )
Cathode Current vs Cathode Voltage
10
5
0
-5
-10
-15 -1 -0.5 0 0.5 1 1.5
Vka(V)
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6 Page









GS432JWF pdf, datenblatt
SOT-23-3L PLASTIC PACKAGE
SYMBOL
A
A1
A2
b
c
D
E
E1
e
e1
L
Q
Dimensions
Millimeters
MIN MAX
1.05 1.25
0 0.1
1.05 1.15
0.3 0.5
0.1 0.2
2.82 3.02
1.5 1.7
2.65 2.95
0.950 (TYP)
1.8 2
0.3 0.6
0° 8°
MIN
0.041
0
0.041
0.012
0.004
0.111
0.059
0.104
0.071
0.012
Inches
0.037 (TYP)
MAX
0.049
0.004
0.045
0.020
0.008
0.119
0.067
0.116
0.079
0.024
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