LM3370 datasheet(10/33 Pages) TI1

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0.10

1.00

10.00

100.00

1000.00

LOAD (mA)

100

5.5V

4.5V

0.10

1.00

10.00

100.00

1000.00

LOAD (mA)

100

4.5V

5.5V

LM3370

SNVS406N – NOVEMBER 2005 – REVISED MAY 2013

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Typical Performance Characteristics (continued)

LM3370, Circuit of Typical Application Circuit, VIN = 3.6V, VOUT1 = 1.5V and VOUT2 = 2.5V, L = 2.2 µH (NR3015T2R2M), CIN =

4.7 µF (0805) and COUT = 10 µF (0805) and TA = 25°C, unless otherwise noted.

Efficiency

vs.

Output Current

Auto Mode, VOUT1 = 1.5V

Auto Mode, VOUT2 = 1.9V

Figure 15.

Figure 16.

Efficiency

vs.

Output Current

Auto Mode, VOUT2 = 3.3V

Forced PWM Mode, VOUT2 = 3.3V

Figure 17.

Figure 18.

Typical Operation Waveform

VIN = 3.6V, VOUT1 = 1.8V and VOUT2 = 1.8V

VIN = 4.8V, VOUT1 = 1V and VOUT2 = 3.3V

Load = 400 mA

Figure 19.

Figure 20.

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