See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RHL | 14

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS54521RHLT


17V Input, 5A Synchronous Step-Down Converter

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Qty.Price
1 - 9 $ 2.73
10 - 24 $ 2.46
25 - 99 $ 2.24
100 - 249 $ 2.02
250 - 499 $ 1.83
500 - 749 $ 1.54
750 - 999 $ 1.30
1000 - 9999 $ 1.09

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Texas Instruments TPS54521RHLT

The TPS54521 is a full featured 17V, 5A synchronous step down converter which is optimized for small designs through high efficiency and integrated high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and by selecting a high switching frequency, reducing the inductor’s footprint.

The output voltage startup ramp is controlled by the SS/TR pin which allows operation as either a stand alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open drain power good pins.

Cycle by cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. Hiccup protection will be triggered if the overcurrent condition has persisted for longer than the preset time. Thermal shutdown disables the part when die temperature exceeds thermal shutdown temperature. The TPS54521 is available in a 14 pin, 3.5mm × 3.5mm QFN, thermally enhanced package.

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