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A/AS535
2.5 V Precision Reference / Amplifier
Description
The AS535 is a three terminal adjustable shunt regulator
utilizing an accurate 2.5V bandgap reference. The AS535 is
functionally similar to an AS2431 except that the reference
and amplifier operate off of a seperate supply from the
output, allowing very low output voltges (0.1V Typically)
Because of its robust bipolar technology, the AS535 handles
a wide range of current, and holds off up to 18V so its use
is not limited to low power, low voltage systems. Significant
care has been taken to provide adequate AC bandwidth to
allow the AS535 as an amplifier in control systems and
power electronics. ASTEC also offers a 1.0% version of this
part, the A535.
Features
• Temperature-compensated:
50 ppm/
°C
• Trimmed 0.5% typical bandgap
reference
• High gain Internal amplifier with
100 mA capability
• Nominal temperature range
extended to 105
° C
• Low frequency dynamic output
impedance: < 150 m
Ω
• Low output noise
Pin Configuration — Top view
© ASTEC Semiconductor
25
Ordering Information
Description
Temperature Range
0.5%
Order Codes
1.0%
8-Pin Plastic SOIC
0 to 105
° C
AS535D
A535D
4-Pin Plastic SIP
0 to 105
° C
AS535SIP
A535SIP
SOT - 23 - 5
0 to 105
° C
AS535DBV
A535DBV
SOIC (D)
SOT-23-5 (DBV)
VCC
N/C
N/C
ANODE
VOUT
N/C
N/C
VREF
VREF
VOUT
ANODE
N/C
VCC
4L SIP (SIP)
VREF
VOUT
ANODE
VCC
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