TC1313-1G0EUN datasheet(11/32 Pages) MICROCHIP

Part #	TC1313-1G0EUN

Description	500 mA Synchronous Buck Regulator, 300 mA LDO

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Manufacturer	MICROCHIP [Microchip Technology]

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DS21974B-page 11

TC1313

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 2-19:

VOUT1 and VOUT2 Heavy

Load Switching Waveforms vs. Time.

FIGURE 2-20:

VOUT1 and VOUT2 Light

Load Switching Waveforms vs. Time.

FIGURE 2-21:

VOUT2 Output Voltage vs.

Input Voltage (VOUT2 = 1.5V).

FIGURE 2-22:

VOUT2 Output Voltage vs.

Input Voltage (VOUT2 = 1.8V).

FIGURE 2-23:

VOUT2 Output Voltage vs.

Input Voltage (VOUT2 = 2.5V).

FIGURE 2-24:

VOUT2 Output Voltage vs.

Input Voltage (VOUT2 = 3.3V).

1.482

1.484

1.486

1.488

1.49

1.492

2.7

3.05

3.4

3.75

4.1

4.45

4.8

5.15

5.5

Input Voltage (V)

TA = - 40°C

TA = + 25°C

TA = + 85°C

IOUT2 = 150 mA

SHDN1 = AGND

SHDN2 = VIN2

1.792

1.794

1.796

1.798

1.800

1.802

2.7

3.05

3.4

3.75

4.1

4.45

4.8

5.15

5.5

Input Voltage (V)

TA = - 40°C

TA = + 25°C

TA = + 85°C

IOUT2 = 150 mA

SHDN1 = AGND

SHDN2 = VIN2

2.496

2.498

2.500

2.502

2.504

2.506

2.508

3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5

Input Voltage (V)

TA = - 40°C

TA = + 25°C

TA = + 85°C

IOUT2 = 150 mA

SHDN1 = AGND

SHDN2 = VIN2

3.292

3.293

3.294

3.295

3.296

3.297

3.298

3.60

3.92

4.23

4.55

4.87

5.18

5.50

Input Voltage (V)

TA = - 40°C

TA = + 25°C

TA = + 85°C

IOUT2 = 150 mA

SHDN1 = AGND

SHDN2 = VIN2

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