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TECHNICAL DATA

Low Voltage Adjustable Precision Shunt Regulator

PIN CONNECTIONS

CATHODE

ANODE

REFERENCE

Features

• Precise Reference Voltage to 1.24V • Guaranteed 2%, 1% , 0.5% Reference Voltage Tolerance

• Sink Current Capability, 80µA to100mA • Quick Turn-on

• Adjustable Output Voltage, V o =V REF to 15V • 0.2 Ω Typical Output Impedance • TO-92, SOT-23, SOT-89 packages.

Applications

• Linear Regulator • Adjustable Supplies

• Switching Power Supplies • Battery Charger • Instrumentation

• Computer Disk Drives

SOT-89

Ordering Information

Product Number Reference Input Voltage

Package

TL432CLF TL432CLS TO-92

TL432CS SOT-23 TL432CP 0.5%

SOT-89 TL432ALF TL432ALS TO-92

TL432AS SOT-23 TL432AP 1%

SOT-89 TL432LF TL432LS TO-92

TL432S SOT-23 TL432P 2%

SOT-89

TL432

查询供应商

Block Diagram

Absolute Maximum Ratings

Symbol Parameter Symbol Rating Unit

Pad # Description

V KA Cathode voltage

V KA 18 V 1 REF I K

Continuous cathode current

range

I K 100 mA 2 ANODE I REF Reference current range

I REF 3 mA 3 CATHODE

Tj

Operating Junction

Temperature Range Tj

- 40 to 150

°C

Electrical Characteristics Ta= 25°C (unless otherwise noted)

TL432

Symbol Parameter Test Conditions

Min Typ Max

Unit

V RFF Reference voltage V KA=V REF,l K=10mA (Fig. 1)

T A =25°C

TL432 (2%)

TL432-A (1%)

TL432-C (0.5%)

1.216

1.228

1.234

1.240

1.264

1.252

1.246

V

V DEV V REF Temp Deviation T A=full range (see Note1)

V KA=V REF,l K=10mA (Fig. 1)

10 25 mV

∆V REF/∆V KA Ratio of Change in V REF to

Change in Cathode

Voltage

!K=10mA, V KA=15V to V REF

(Fig. 2)

-1 -2.7 mV / V

I REF Reference Input Current I K=10mA, R1 =10kΩ R2=∞

(Fig.2)

0.5 1.0 µA

I REF(DEV)I REF Temp Deviation T K=full range (see Note 1),

R1 =10kΩ, R2=∞, I K=10mA

(Fig. 2)

0.05 0.3 µA

Ik(off) Off-state cathode current V REF=0 V,(Fig.3)

V k=15V

0.04 0.5 µA

Zka Dynamic Output

Impedance

V ka=V ref, I k=1mA to 100mA

F ≤1kHz (Fig. 1)

0.2 0.4 Ω

I K(MIN) Minimum Operating

Current

V KA=V REF(Fig. 1) 60 80 µA

Notes: 1. Full temperature range is -40°C to 105°C for TL432

Package Dimensions TO-92