TC1303B Datasheet, PDF(14/30 Page) Microchip Technology – 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output

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TC1303B Datasheet, PDF (14/30 Pages) Microchip Technology – 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output

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TC1303B

Note: Unless otherwise indicated, VIN1 = VIN2 = SHDN1,2 = 3.6V, COUT1 = CIN = 4.7 ÂµF, COUT2 = 1 ÂµF, L = 4.7 ÂµH,

VOUT1 (ADJ) = 1.8V, TA = +25Â°C. Boldface specifications apply over the TA range of -40Â°C to +85Â°C. TA = +25Â°C. Adjustable or fixed

output voltage options can be used to generate the Typical Performance Characteristics.

FIGURE 2-37:

VOUT1 and VOUT2 Line Step

Response vs. Time.

FIGURE 2-39:

Waveforms.

VOUT1 and VOUT2 Shutdown

FIGURE 2-38:

Waveforms.

VOUT1 and VOUT2 Startup

FIGURE 2-40:

Power-Good Output Timing.

DS21949A-page 14

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