LM5166 datasheet(40/57 Pages) TI2

40 / 57 page

Load (mA)

0.01

0.1

100

500

100

D001

VIN = 8V

VIN = 12V

VIN = 24V

VIN = 36V

Load (mA)

0.01

0.1

100

500

4.9

4.92

4.94

4.96

4.98

5.02

5.04

5.06

5.08

5.1

D001

VIN = 8V

VIN = 12V

VIN = 24V

VIN = 36V

LM5166

SNVSA67B – DECEMBER 2016 – REVISED JUNE 2017

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8.2.4.3 Application Curves

Unless otherwise stated, application curves were taken at TA = 25°C.

LF = 22 µH

COUT = 200 µF

FSW(nom) = 100 kHz

RRT = 0 Ω

Figure 78. Converter Efficiency

LF = 22 µH

COUT = 200 µF

FSW(nom) = 100 kHz

RRT = 0 Ω

Figure 79. Converter Regulation

Time Scale: 50 ms/Div

CH1: VSW, 5 V/Div

CH2: VOUT, 50 mV/Div

CH4: IL, 0.4 A/Div

Figure 80. No-Load Switching Waveforms

Time Scale: 20 µs/Div

CH1: VSW, 5 V/Div

CH2: VOUT, 100 mV/Div

CH4: IL, 0.4 A/Div

Figure 81. Full-Load Switching Waveforms

Time Scale: 2 ms/Div

CH1: VIN, 2 V/Div

CH2: VOUT, 1 V/Div

CH4: IL, 0.4 A/Div

Figure 82. Full-Load Start-Up

Time Scale: 50 µs/Div

CH1: VSW, 4 V/Div

CH4: IL, 0.4 A/Div

Figure 83. Short Circuit

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