TS432I Datasheet, PDF (1/12 Pages) Taiwan Semiconductor Company, Ltd – Adjustable Precision Shunt Regulator

TS432I
Adjustable Precision Shunt Regulator
TO-92
Pin Definition:
1. Reference
2. Anode
3. Cathode
SOT-23
Pin Definition:
1. Reference
2. Cathode
3. Anode
SOT-25
Pin Definition:
1. N/C
2. N/C *
3. Cathode
4. Reference
5. Anode
* (pin 2 is connect to substrate
and must be connected to Anode
or left open)
General Description
The TS432I/432AI/TS432BI is a three-terminal adjustable shunt regulator with specified thermal stability. The output
voltage may be set to any value between Vref (approximately 1.24V) and 18V with two external resistors. The
TS432I/432AI/TS432BI has a typical output impedance of 0.05Ω. Active output circuitry provides a very sharp turn-on
characteristic, making the TS432I/432AI/TS432BI excellent replacement for zener diode in many applications.
Features
● Precision Reference Voltage
TS432I – 1.24V±2%
TS432AI – 1.24V±1%
TS432BI – 1.24V±0.5%
● Minimum Cathode Current for Regulation: 20uA(typ.)
● Equivalent Full Range Temp. Coefficient: 50ppm/ ºC
● Programmable Output Voltage up to 18V
● Fast Turn-On Response
● Sink Current Capability of 80uA to 100mA
● Low Dynamic Output Impedance: 0.2Ω
● Low Output Noise
Ordering Information
Part No.
Package
Packing
TS432xIT B0
TO-92
1Kpcs / Bulk
TS432xIT A3
TO-92
2Kpcs / Ammo
TS432xIX RF
SOT-23
3Kpcs / 7” Reel
TS432xIX5 RF
SOT-25
3Kpcs / 7” Reel
Note: Where xx denotes voltage tolerance
Blank: ±2%
A: ±1%
B: ±0.5%
Block Diagram
Application
● Voltage Monitor
● Delay Timmer
● Constant –Current Source/Sink
● High-Current Shunt Regulator
● Crow Bar
● Over-Voltage / Under-Voltage Protection
Absolute Maximum Rating (Ta = 25 oC unless otherwise noted)
Parameter
Symbol
Limit
Cathode Voltage (Note 1)
Vka
18
Continuous Cathode Current Range
Ik
100
Reference Input Current Range
Iref
3
Power Dissipation
TO-92
0.625
SOT-23
Pd
0.35
SOT-25
0.35
Junction Temperature
T_J
+150
Operation Temperature Range
T_OPER
-40 ~ +85
Storage Temperature Range
T_STG
-65 ~ +150
Note 1: Voltage values are with respect to the anode terminal unless otherwise noted.
Note 2: Rating apply to ambient temperature at 25^oC
Unit
V
mA
mA
W
o_C
o_C
o_C
1/12
Version: A07