| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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404 pcs
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404 pcs | On Request | 1 | On Request | On Request | 12+ | On Request | On Request |
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The TPS54429PWP from Texas Instruments is a highly efficient synchronous step-down DC/DC converter designed for various low-voltage applications. It features the D-CAP2 mode, which enables fast transient response and allows the use of ceramic output capacitors, contributing to low output ripple.
This converter supports a wide input voltage range from 7V to 18V and provides an adjustable output voltage from 0.76V to 5.5V, with a maximum output current of 4.5A. It operates at a switching frequency of 700kHz and includes integrated FETs with low on-resistance (63 mΩ high side, 55 mΩ low side) for optimized efficiency, especially at lower duty cycles. The device also offers features like Enable, Power Good, and Soft Start.
Packaged in a 14-HTSSOP, the TPS54429PWP is suitable for surface mount applications. Its design considerations include high initial bandgap reference accuracy, adjustable soft start, and pre-biased soft start capabilities. The typical quiescent current is very low at 0.00085A, with high efficiency achieved even at shutdown (less than 10 µA).
Applications for the TPS54429PWP include power supplies for digital TVs, high-definition Blu-ray disc players, networking equipment, and digital set-top boxes. Its robust feature set and efficient operation make it a versatile choice for modern power management designs.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.06 | $1.06 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 7V to 18V.
The output current is 4.5A.
The switching frequency is 700kHz.
The operating temperature range is -20°C to 85°C.
The TPS54429PWP is housed in a 14-HTSSOP PowerPAD package.
The output voltage is adjustable from 0.76V to 5.5V.
The TPS54429PWP uses D-CAP2 control mode.