TC1303B datasheet(14/30 Pages) MICROCHIP

Part #	TC1303B

Description	500 mA Synchronous Buck Regulator, 300 mA LDO with Power-Good Output

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Manufacturer	MICROCHIP [Microchip Technology]

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TC1303B

DS21949A-page 14

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

VOUT1 (ADJ) = 1.8V, TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C. TA = +25°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 2-38:

VOUT1 and VOUT2 Startup

Waveforms.

FIGURE 2-39:

VOUT1 and VOUT2 Shutdown

Waveforms.

FIGURE 2-40:

Power-Good Output Timing.

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