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Product attributes Property Value
Manufacturer ETEK MICROELECTRONICS
Product Series ET5A0XX
Packaging Tape & Reel (TR) |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.17V @ 1A
Current - Output 500mA, 1A
Current - Quiescent (Iq) -
Current - Supply (Max) -
PSRR 70dB (1kHz)
Control Features Current Limit, Enable
Protection Features Over Current, Over Temperature, Reverse Current
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-XFDFN Exposed Pad
Supplier Device Package 8-DFN (1.2x1.6)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ET5A033YB from ETEK MICROELECTRONICS is a high-efficiency 3.3V low dropout linear regulator capable of delivering up to 1A. It features an exceptionally low dropout voltage of just 0.17V at full load, making it ideal for battery-powered applications. The PSRR of 70dB at 1kHz ensures excellent noise suppression. The compact 8-DFN (1.2x1.6) package is designed for space-constrained, high-performance portable electronics.

  • Ultra-Low Dropout: 0.17V at 1A maximizes efficiency and extends battery life.
  • High Noise Rejection: 70dB PSRR at 1kHz ensures clean power for sensitive RF and analog circuits.
  • High Current Density: 1A capability in a tiny 1.2x1.6mm package.
  • Versatile Performance: Suitable for a wide range of portable and high-performance applications.

Battery-Powered Portable Devices

The ultra-low dropout of 0.17V at 1A maximizes battery utilization, making it ideal for smartphones and tablets.

RF and Wireless Modules

With 70dB PSRR at 1kHz, it provides clean power for RF transceivers, reducing interference and improving signal quality.

Compact IoT Sensors

The tiny 8-DFN package is perfect for space-constrained IoT nodes requiring a stable 3.3V rail.

Camera Modules

Provides stable power for image sensors and processors, ensuring consistent performance in digital cameras.

Portable Gaming Consoles

High current capability and low dropout support demanding processors and graphics chips.

Medical Wearables

Reliable 3.3V output for health monitoring devices, ensuring accurate sensor readings.

Q: What is the output voltage of the ET5A033YB?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 1A of output current (500mA typical).
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is very low at 0.17V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is not specified in the provided data.
Q: What package is available?
A: It comes in an 8-DFN (1.2x1.6) package.
Base Product Number : ET5A033YB
1A 3.3V 8-DFN ETEK High PSRR LDO Linear Regulator Ultra-Low Dropout
Q: What is the output voltage of the ET5A033YB?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 1A of output current (500mA typical).
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is very low at 0.17V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is not specified in the provided data.
Q: What package is available?
A: It comes in an 8-DFN (1.2x1.6) package.