LM3243 datasheet(9/32 Pages) TI1

Part #	LM3243

Description	High-Current Step-Down Converter

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Manufacturer	TI1 [Texas Instruments]

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100 Ps/DIV

100 mV/

DIV

VOUT

IOUT

500 mA/

DIV

100 s/DIV

50 mV/DIV

VOUT

1V/DIV

VIN

100 Ps/DIV

20 mV/

DIV

VOUT

200 mA/

DIV

IOUT

100 Ps/DIV

50 mV/

DIV

VOUT

500 mA/

DIV

IOUT

20 s/DIV

IOUT

2V/DIV

1A/DIV

VCON

2V/DIV

VOUT

20 s/DIV

5 mV/DIV

VOUT

50 mA/DIV

IOUT

LM3243

www.ti.com

SNVS782C – OCTOBER 2010 – REVISED AUGUST 2015

Typical Characteristics (continued)

VIN = 4.2 V

RLOAD = 1.9 Ω

VOUT = 1.4 V to 3.4 V

VIN = 3.6 V

VOUT = 1 V

IOUT = 0 mA to 60 mA

Figure 7. VCON Transient (PWM)

Figure 8. Load Transient In PFM Mode

VIN = 3.8 V

VOUT = 3 V

IOUT = 0 mA to 700 mA

VIN = 3.8 V

VOUT = 2.5 V

IOUT = 0 mA to 300 mA

Figure 10. Load Transient In PWM Mode

Figure 9. Load Transient In PWM Mode

VIN = 3.6 V to 4.2 V

RLOAD = 6.8 Ω

VOUT = 2.5 V

VIN = 4.2 V

VOUT = 3 V

IOUT = 0 mA to 1.2 A

Figure 12. Line Transient

Figure 11. Load Transient In PWM Mode

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