| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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642 pcs
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642 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The LM3477MM NOPB is a high-efficiency, high-side N-channel MOSFET switching regulator controller manufactured by National Semiconductor. It is suitable for use in topologies requiring a high-side MOSFET, such as buck, inverting (buck-boost), and zeta regulators.
This controller features a wide input voltage range from 2.95V to 35V and can support an output current of up to 6A. The output voltage can be regulated between 1.265V and 31V. It operates in current mode control with a maximum duty cycle of 93% and a switching frequency of 500kHz. The device includes an internal soft-start feature and undervoltage lockout with hysteresis for stable operation.
Key electrical specifications include an adjustable current limit, 1.5% reference accuracy, and a typical quiescent current of 0.002A. The operating temperature range is from -40°C to 125°C. Frequency compensation is optimized with a single capacitor and resistor. Thermal shutdown is integrated for protection.
The LM3477MM NOPB is available in an 8-lead VSSOP package with dimensions of 3mm x 4.9mm, offering a package area of 14.7 mm². This controller is designed for a variety of applications requiring efficient power management.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.25 | $1.25 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 2.95V to 35V.
The output voltage is adjustable from 1.265V to 31V.
It is available in a VSSOP-8 package (3 mm x 4.9 mm).
The operating temperature range is -40°C to 125°C.
The switching frequency is 500kHz.
Yes, it includes an enable pin and internal soft start.
It uses current mode control.