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Product attributes Property Value
Manufacturer ETEK MICROELECTRONICS
Product Series
Packaging Tape & Reel (TR) |
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 17V
Voltage - Output (Min/Fixed) 0.765V
Voltage - Output (Max) 7V
Current - Output 3A
Frequency - Switching 1MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-6
Supplier Device Package SOT-23-6
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ET8132 is a synchronous step-down DC-DC converter from ETEK Microelectronics, designed to deliver up to 3A of output current from a 4.5V to 17V input supply. Its output is adjustable from 0.765V to 7V, making it suitable for a wide range of low-voltage applications. Operating at a fixed 1MHz switching frequency, this buck converter achieves high efficiency while allowing the use of small external components. Housed in a SOT-23-6 package, it is well-suited for industrial, networking, and consumer electronics.

  • High Output Current: 3A capability supports power-hungry processors and multiple loads.
  • Wide Input Voltage: 4.5V-17V range covers 5V, 12V, and 15V rails.
  • 1MHz Switching Frequency: Balances efficiency and component size, enabling compact designs.
  • Adjustable Output: 0.765V to 7V range provides design flexibility for various ICs.

Industrial Automation and PLCs

The ET8132's 4.5V-17V input range and 3A output make it ideal for powering industrial sensors, actuators, and logic controllers from 12V or 15V rails. The 1MHz frequency allows for small external components in DIN-rail modules.

Networking and Telecom Equipment

For routers, switches, and small-cell base stations, this buck converter efficiently steps down 12V to core voltages (0.765V-7V). The 3A capability supports multiple loads, while the SOT-23-6 package fits compact line cards.

Set-Top Boxes and Media Players

From a 12V adapter, the ET8132 generates 1.0V, 1.2V, or 1.8V rails for application processors and memory. The 3A current capability handles peak loads during video decoding.

Automotive Infotainment

Although not AEC-Q100 qualified, the 17V maximum input makes it suitable for non-critical automotive infotainment systems powered from a regulated 12V bus. The 3A output supports display panels and audio amplifiers.

FPGA and DSP Power Supplies

FPGAs require multiple low-voltage rails. The ET8132's adjustable output down to 0.765V and 3A capability make it a flexible point-of-load solution for prototyping and production.

Battery-Powered Tools

For cordless power tools with 12V-16V battery packs, this converter efficiently steps down to 3.3V or 5V for control electronics, extending battery life with its high-efficiency synchronous design.

Q: What type of converter is the ET8132?
A: It is a synchronous Buck (step-down) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is 4.5V to 17V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 0.765V to 7V.
Q: What is the maximum output current?
A: It can deliver up to 3A of output current.
Q: What is the switching frequency?
A: The switching frequency is 1MHz.
Q: What package is available?
A: It is available in a SOT-23-6 package.
Base Product Number : ET8132
1MHz 3A 4.5V-17V Buck DC-DC Converter FPGA Industrial Networking SOT-23-6 Step-Down
Q: What type of converter is the ET8132?
A: It is a synchronous Buck (step-down) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is 4.5V to 17V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 0.765V to 7V.
Q: What is the maximum output current?
A: It can deliver up to 3A of output current.
Q: What is the switching frequency?
A: The switching frequency is 1MHz.
Q: What package is available?
A: It is available in a SOT-23-6 package.