LM3676_15 datasheet(9/25 Pages) TI

Teilenummer	LM3676

Bauteilbeschribung	2-MHz 600-mA Step-Down DC-DC Converter With Mode Control

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VOUT

TIME (100 Ps/DIV)

EN

VSW

2V/DIV

500 mV/DIV

VIN = 3.6V

VOUT = 1.5V

IOUT = 1 mA

2V/DIV

VOUT

TIME (100 Ps/DIV)

EN

VSW

2V/DIV

500 mA/DIV

VIN = 3.6V

VOUT = 1.5V

2V/DIV

IOUT = 300 mA

IL

1V/DIV

LM3676

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SNVS426C – NOVEMBER 2006 – REVISED MAY 2013

Typical Performance Characteristics (continued)

Circuit of LM3676, VIN= 3.6V, VOUT= 1.5V, TA= 25°C, unless otherwise noted.

Load Transient Response

Start Up into PWM Mode

VOUT = 1.5V (PWM Mode)

VOUT = 1.5V (Output Current= 300mA)

Figure 23.

Figure 24.

Start Up into PFM Mode

VOUT = 1.5V (Output Current= 1mA)

Figure 25.

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