| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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41 pcs
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41 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The LT1959IR#PBF is a monolithic buck mode switching regulator designed for step-down applications. It features a constant 500kHz switching frequency, allowing for reduced external component sizes. The device includes a 4.5A switch and supports output voltages down to 1.21V.
This regulator operates with an input voltage range from 4.3V to 15V and provides an adjustable output. It is designed for high efficiency and features current mode control for fast transient response. The LT1959IR#PBF is available in a 7-pin DDPAK surface mount package.
Key features include cycle-by-cycle current limiting and thermal shutdown protection. Its design is optimized for lower output voltage applications, making it suitable for portable computers, battery-powered systems, and distributed power supplies.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.08 | $1.08 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 4V to 15V.
The LT1959IR#PBF is available in a TO-263-8 (D²Pak) surface-mount package with 7 leads plus tab, also called 7-DDPAK.
The operating temperature range is -40°C to 125°C.
The output is adjustable down to 1.21V.
It has one output.
It supports buck and SEPIC topologies.
The switching frequency is 500kHz.