SEMICONDUCTOR
1.24V Precision Adjustable Shunt Reference
Description
The AS432 is a three terminal adjustable shunt regulator utilizing an
accurate 1.24V bandgap reference. The AS432 is functionally similar to
an AS431 except for its lower reference voltage, making it usable in a
wide variety of low voltage applications.
Because of its robust bipolar technology, the AS432 handles a wide
range of current, and holds off more than 18V so its use is not limited to
low power, low voltage systems. Significant care has been taken to pro-
vide adequate AC bandwidth to allow the AS432 as an amplifier in con-
trol systems and power electronics.
AS432
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Temperature-compensated: 50 ppm/擄C
0.25% to 2.0% bandgap offered
Internal amplifier with 150 mA capability
Multiple temperature ranges
Low frequency dynamic output
impedance: < 150 m鈩?/div>
Low output noise
Top view
Pin Configuration 鈥?/div>
TO-92 (LP)
CATHODE
CATHODE
ANODE
ANODE
REFERENCE
ANODE
N/C
2
3
4
1
8L SOIC (8D)
8
7
6
5
REFERENCE
ANODE
ANODE
N/C
5L SOT-23 (5VS)
N/C
N/C
CATHODE
REFERENCE
ANODE
SOT-89 (S)
CATHODE
ANODE
REFERENCE
ANODE
3L SOT-23 (3VS)
CATHODE
REFERENCE
Ordering Information
AS432 A C 8D N
Circuit Type:
1.24V Precision Adjustable
Shunt Regulator
Bandgap Tolerance:
A =
鹵0.25%
C =
鹵0.5%
D =
鹵1.0%
E =
鹵2.0%
Temperature Range:
A = 0擄C to 70擄C
B = 0擄C to 105擄C
C = 鈥?0擄C to 85擄C
F = 鈥?5擄C to 125擄C
Packaging Option:
A = Ammo Pack
B = Bulk
T = Tube
M = Tape and Reel (7" Reel Dia, SOT-23 Only)
N = Tape and Reel (13" Reel Dia)
Package Style:
8D = 8 Pin, Plastic SOIC
5VS = 5 Pin, SOT-23
3VS = 3 Pin, SOT-23
= SOT-89
S
LP = TO-92
www.ptcc.com.tw
25
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