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EC432L-Adjustable Precision Shunt Regulator

General description

The EC432L is a low voltage three terminal adjustable shunt regulator with a guaranteed thermalstabilityoverapplicabletemperature ranges. The output voltage can be set to any value between VREF (approximately 1.24 V) to 8V with two external resistors. This device has a typical output impedanceof0.30Ω.Activeoutputcircuitry provides a very sharp turn on characteristic, making this device excellent replacement for Zener diodes in many applications.

The EC432L is characterized for operation from -40 to 105, and two package options (SOT-23、SC59 and TO-92) allow the designer the opportunity to select the proper package for their applications.


■ Low voltage operation (1.24V)

 Adjustable output voltage V0 =VREF to 8V

■ Wide operating current range 60A to 100mA

■ Low dynamic output impedance 0.30Ω (Typ.)

■ Trimmed bandgap design up to + 0.5%.

■ ESD rating is 2.5KV(Per MIL-STD-883D)

■ 100% Lead (Pb)-Free.



   ■ Linear Regulators

   ■ Adjustable Supplies

   ■ Switching Power Supplies

   ■ Battery Operated Computers

   ■ Instrumentation

   ■Computer Disk Drives


Pin Configurations

Ordering info

Typical Applications circuit