See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RTV | 32

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS51222RTVT


Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Power Controller

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Qty.Price
1 - 9 $ 7.56
10 - 24 $ 6.80
25 - 99 $ 6.35
100 - 249 $ 5.69
250 - 499 $ 5.31
500 - 749 $ 4.62
750 - 999 $ 4.00
1000 - 9999 $ 3.45

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Texas Instruments TPS51222RTVT

The TPS51222 is a dual synchronous buck regulator controller with two LDOs. It is optimized for 5-V/3.3-V system controller, enabling designers to cost effectively complete 2-cell to 4-cell notebook system power supply. The TPS51222 supports high efficiency, fast transient response, and 99% duty cycle operation. It supports supply input voltage ranging from 4.5 V to 32 V, and output voltages from 1 V to 12 V. Peak current mode supports stability operation with lower ESR capacitor and output accuracy. The high duty cycle (99%) operation and the wide input/output voltage range supports flexible design for small mobile PCs and a wide variety of other applications. The fixed frequency can be adjusted from 200 kHz to 1 MHz by a resistor, and each channel runs 180° out-of-phase. The TPS51222 can also synchronize to the external clock, and the interleaving ratio can be adjusted by its duty. The TPS51222 is available in the 32-pin 5 × 5 QFN package and is specified from -40°C to 85°C.

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