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ZHT431

LOW Knee CURRENT 2.5 ADJUSTABLE SHUNT REGULATOR

Datasheet

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Description

The ZHT431 is a three terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA. The device offers extended operating temperature range working from -55 to +125°C. The output voltage may be set to any chosen voltage between 2.5 and 20 volts by selection of two external divider resistors.

Feature(s)

Surface mount SOT23 package
0.5%, 1% and 2% tolerance
Maximum temperature coefficient 67 ppm/°C
Temperature compensated for operation over the full temperature range
Programmable output voltage
50μA to 100μA current sink capability
Low output noise
Wide temperature range -55 to +125°C

Application(s)

Series and shunt regulator
Voltage monitor
Over voltage / under voltage protection
Switch mode power supplies

Product Specifications

Product Parameters

Type	Shunt regulator
Compliance (Only Automotive supports PPAP)	Standard
AEC Qualified	No
ReferenceVoltage (V)	2.5 V
Tolerance (%)	2, 1, 0.5 %
Maximum Input Voltage (V)	20 V
Sink Current (mA)	150 mA
Minimum Cathode Current for Regulation Typ (µA)	50 µA
Typical Temperature Coefficient (ppm/°C)	24 ppm/°C
Maximum Slope Resistance (Ω)	0.75 Ω
Operating Ambient Temperature Range (°C)	-55 to 125 °C

Technical Documents

SPICE Model

ZHT431.spice.txt

ICP Reports

SOT23epICP.pdf (1.5 MB)

Recommended Soldering Techniques

TN1.pdf