| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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32,940 pcs
|
32940 pcs | On Request | 1 | On Request | On Request | 2020+ | On Request | On Request |
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The Micrel MIC4742 is a high-efficiency, dual PWM buck (step-down) regulator capable of providing dual 2A current outputs. Operating at 2MHz, it features a proprietary internal compensation technique for a closed-loop bandwidth exceeding 200kHz. The integrated P-Channel MOSFETs contribute to efficiencies over 92%, reducing the need for external components and current sense resistors.
This regulator operates from a 2.9V to 5.5V input voltage range, with an adjustable output voltage option down to 0.6V. It supports a maximum duty cycle of 100% for low-dropout conditions. The MIC4742 is available in a 16-pin 3mm x 3mm MLF® package and an EPAD TSSOP-16 package, with a junction operating range from -40°C to +125°C.
Applications include broadband devices like xDSL modems, automotive satellite radios, HD set-top boxes, DVD/TV recorders, computer peripherals such as printers and graphics cards, and FPGA/ASIC power supplies. Its design is stable with a 1µH inductor and a 4.7µF output capacitor, and it includes micro-power shutdown, thermal shutdown, and current limit protection.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.08 | $1.08 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
2.9V to 5.5V.
2A per output.
2MHz.
Adjustable down to 0.6V.
Over 92%.
-40°C to +125°C (junction).
16-TSSOP with exposed pad (16-TSSOP-EP).