TS432BCTA3 TSC [Taiwan Semiconductor Company, Ltd], TS432BCTA3 Datasheet

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TS432BCTA3

Manufacturer Part Number
TS432BCTA3
Description
Adjustable Precision Shunt Regulator
Manufacturer
TSC [Taiwan Semiconductor Company, Ltd]
Datasheet
General Description
TS432 series 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. TS432 series has a typical
output impedance of 0.05Ω. Active output circuitry provides a very sharp turn-on characteristic, making TS432 series
excellent replacement for zener diode in many applications.
Absolute Maximum Rating
Note 1: Voltage values are with respect to the anode terminal unless otherwise noted.
Parameter
Cathode Voltage (Note 1)
Continuous Cathode Current Range
Reference Input Current Range
Power Dissipation
Junction Temperature
Operation Temperature Range
Storage Temperature Range
Features
Application
Precision Reference Voltage
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: 0.05Ω
Low Output Noise
Halogen Free Available
Voltage Monitor
Delay Timmer
Constant –Current Source/Sink
High-Current Shunt Regulator
Crow Bar
Over-Voltage / Under-Voltage Protection
TS432 – 1.24V±2%
TS432A – 1.24V±1%
TS432B – 1.24V±0.5%
TO-92
Pin Definition:
1. Reference
2. Anode
3. Cathode
(Ta = 25
SOT-23
TO-92
SOT-23
SOT-25
o
C unless otherwise noted)
Pin Definition:
1. Reference
2. Cathode
3. Anode
1/12
Adjustable Precision Shunt Regulator
Symbol
Ordering Information
Note: Where x denotes voltage tolerance
Block Diagram
T
TS432xCT B0
TS432xCT B0G
TS432xCT A3
TS432xCT A3G
TS432xCX RF
TS432xCX RFG
TS432xCX5 RF
TS432xCX5 RFG
T
Vka
Iref
Pd
OPER
T
Ik
STG
J
Part No.
Blank: ±2%, A: ±1%, B: ±0.5%
“G” denotes for Halogen free products
SOT-25
-65 ~ +150
0 ~ +70
Limit
0.625
+150
0.35
0.35
100
Package
18
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)
SOT-23
SOT-23
SOT-25
SOT-25
3
TO-92
TO-92
TO-92
TO-92
3Kpcs / 7” Reel
3Kpcs / 7” Reel
3Kpcs / 7” Reel
3Kpcs / 7” Reel
2Kpcs / Ammo
2Kpcs / Ammo
1Kpcs / Bulk
1Kpcs / Bulk
Version: C07
TS432
Packing
Unit
mA
mA
o
o
o
W
V
C
C
C

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TS432BCTA3 Summary of contents

Page 1

TO-92 Pin Definition: 1. Reference 2. Anode 3. Cathode General Description TS432 series 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 ...

Page 2

Recommend Operating Condition Parameter Cathode Voltage (Note 1) Continuous Cathode Current Range Recommend Operating Condition Parameter TS432 Reference voltage TS432A TS432B Deviation of reference input voltage Radio of change in Vref to change in cathode Voltage Reference Input current Deviation ...

Page 3

Test Circuits Figure 1: Vka = Vref Additional Information – Stability When TS432 series is used as a shunt regulator, there are two options for selection load capacitance across the device, decouple at the load. B) ...

Page 4

Applications Examples (Continue) Figure 6: Shunt Regulator Figure 8: Series Pass Regulator Figure 10: TRIAC Crowbar Adjustable Precision Shunt Regulator Figure 7: High Current Shunt Regulator Figure 9: Constant Current Source Figure 11: SCR Crowbar 4/12 TS432 Version: C07 ...

Page 5

Applications Examples (Continue) Vin Vout <Vref V+ >Vref ≈0.74V Figure 12: Single-Supply Comparator with Temperature- Compensated Threshold Adjustable Precision Shunt Regulator Figure 13: Constant Current Sink 5/12 TS432 Figure 14: Delay Timer Version: C07 ...

Page 6

Typical Performance Characteristics Figure 14: Small-Signal Voltage Gain and Phase Shift vs. Frequency Figure 15: Reference Impedance vs. Frequency Adjustable Precision Shunt Regulator Test Circuit for Voltage Amplification Test Circuit for Reference Impedance 6/12 TS432 Version: C07 ...

Page 7

Typical Performance Characteristics The areas under the curves represent conditions that may cause the device to oscillate. For curves B, C, and D, R2 and V+ were adjusted to establish the initial V conditions with C =0. V and C ...

Page 8

Electrical Characteristics Figure 18: Reference Voltage vs. Temperature Figure 20: Cathode Current vs. Cathode Voltage Adjustable Precision Shunt Regulator Figure 19: Reference Current vs. Temperature 8/12 TS432 Version: C07 ...

Page 9

Marking Diagram Adjustable Precision Shunt Regulator TO-92 Mechanical Drawing DIM X = Tolerance Code (A = ±1 ±0.5%, Blank = ±2%,) Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, ...

Page 10

Marking Diagram Adjustable Precision Shunt Regulator SOT-23 Mechanical Drawing DIM Device Code X = Tolerance Code (A = ±1 ±0.5 ±2%,) Y = ...

Page 11

Marking Diagram Adjustable Precision Shunt Regulator SOT-25 Mechanical Drawing DIM A+ Ө Device Code X = Tolerance Code (A = ±1 ±0.5 ±2%,) Y = Year ...

Page 12

Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No ...

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