ACE432
Precision adjustable shunt voltage reference
Description
The ACE432 is a low voltage three terminal adjustable shunt regulator with a guaranteed thermal
stability over applicable temperature ranges. The output voltage can be set to any value between
V
REF
)approximately 1.24V) to 8V with two external resistors.
The device has a typical output impedance of 0.30Ω. Active output circuitry provides a very sharp turn on
characteristic, making this device excellent replacement for Zener diodes in many applications.
The ACE432 is characterized for operation from -40℃ to 105℃, and two package options (SOT-23-3
and TO-92) allow the designer the opportunity to select the proper package for their applications.
Features
Low voltage operation (1.24V)
Adjustable output voltage V
D
=V
REF
to 8V
Wide operating current range 60μA to 100mA
Low dynamic output impedance 0.30Ω (Typ.)
Trimmed bandgap design up ±0.5%
ESD rating is 2.5KV (Per MIL-STD-883D)
Application
Linear Regulators
Adjustable Supplies
Switching Power Supplies
Battery Operated Computers
Instrumentation
Computer Disk Drives
Absolute Maximum Ratings
Parameter
Cathode to Anode Voltage
(Note 2)
Continuous Cathode Current
Reference Input Current
Thermal resistance junction to ambient
TO-92
SOT-23-3
Operating junction temperature
Storage temperature range
Lead temperature (soldering) 10sec
into, negative out of the specified terminal.
Note 2: Voltage values are with respect to the anode terminal unless otherwise noted.
Symbol
V
KA
I
KA
I
REF
θ
JA
T
J
T
STG
T
LEAD
Max
8
150
3
220
230
150
- 45 to 150
260
Unit
V
mA
mA
O
C/W
O
O
O
C
C
C
Note 1: Exceeding these rating could cause damage to the device. All voltages are with respect to Ground. Currents are positive
VER 1.3
1
ACE [ ACE TECHNOLOGY CO., LTD. ]
