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Product attributes Property Value
Manufacturer ETEK MICROELECTRONICS
Product Series ET5HAXX
Packaging Tape & Reel (TR) |
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 20V
Voltage Dropout (Max) 0.8V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 190 µA
Current - Supply (Max) -
PSRR 80dB (1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 6-WDFN Exposed Pad
Supplier Device Package 6-DFN (2x2)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ET5HAADJYB from ETEK Microelectronics is a high-voltage LDO linear regulator delivering a fixed 20V output at up to 1A. With an ultra-low 190µA quiescent current and 80dB PSRR at 1kHz, it ensures clean, stable power for noise-sensitive applications. The 0.8V dropout at full load supports efficient operation from modest input margins. Housed in a space-saving 6-DFN (2x2) package, it is ideal for compact industrial, automotive, and portable designs.

  • High PSRR (80dB @ 1kHz): Effectively filters supply noise, ensuring clean power for sensitive analog and RF circuits.
  • Low Quiescent Current (190µA): Extends battery life in portable devices while maintaining regulation.
  • High Output Voltage (20V): Supports specialized applications requiring elevated voltage rails.
  • Compact 6-DFN Package: Minimizes PCB footprint for space-constrained designs.

High-Voltage Sensor Power

Provides a stable 20V rail for precision analog sensors requiring high bias voltages, with 80dB PSRR at 1kHz to reject supply noise.

Industrial Actuator Drivers

Delivers 1A for valve or motor pre-drivers in industrial control systems, ensuring consistent operation despite input fluctuations.

Audio Equipment Biasing

The low quiescent current (190µA) and high PSRR make it ideal for biasing audio op-amps and DACs where clean 20V rails are critical.

Automotive Telematics

Regulates 20V for communication modules in vehicles, with dropout of 0.8V ensuring operation during cold-crank conditions.

Portable Medical Devices

Compact 6-DFN package and low Iq support battery-powered diagnostic tools needing a stable high-voltage reference.

LED Backlight Drivers

Provides a regulated 20V supply for LED strings in display panels, maintaining consistent brightness with minimal ripple.

Q: What is the output voltage of the ET5HAADJYB?
A: The ET5HAADJYB provides a fixed 20V output.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage range is from 0.6V up to the output voltage plus dropout.
Q: What is the dropout voltage?
A: The dropout voltage is 0.8V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is 190 µA.
Q: What package is available?
A: It comes in a compact 6-DFN (2x2) package.
Base Product Number : ET5HAADJYB
1A 20V 6-DFN ETEK High PSRR LDO Linear Regulator Low Quiescent Current
Q: What is the output voltage of the ET5HAADJYB?
A: The ET5HAADJYB provides a fixed 20V output.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage range is from 0.6V up to the output voltage plus dropout.
Q: What is the dropout voltage?
A: The dropout voltage is 0.8V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is 190 µA.
Q: What package is available?
A: It comes in a compact 6-DFN (2x2) package.