LM5166 datasheet(34/53 Pages) TI1

34 / 53 page

Load (mA)

0.01

0.1

100

500

100

D001

VIN = 8V

VIN = 12V

VIN = 24V

VIN = 36V

VIN = 65V

Load (mA)

0.01

0.1

100

500

3.2

3.22

3.24

3.26

3.28

3.3

3.32

3.34

3.36

3.38

3.4

D001

VIN = 8V

VIN = 12V

VIN = 24V

VIN = 36V

VIN = 65V

LM5166

SNVSA67A – DECEMBER 2016 – REVISED DECEMBER 2016

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8.2.2.2.8

Application Performance Curves

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

LF = 47 µH

COUT = 47 µF

FSW(nom) = 200 kHz

RRT = 100 kΩ

Figure 62. Converter Efficiency

LF = 47 µH

COUT = 47 µF

FSW(nom) = 200 kHz

RRT = 100 kΩ

Figure 63. Converter Regulation

Time Scale: 20 ms/Div

CH1: VSW, 5 V/Div

CH2: VOUT, 50 mV/Div

CH4: IL, 200 mA/Div

Figure 64. No Load Switching Waveforms

Time Scale: 5 µs/Div

CH1: VSW, 5 V/Div

CH2: VOUT, 50 mV/Div

CH4: IL, 200 mA/Div

Figure 65. Full Load Switching Waveforms

Time Scale: 2 ms/Div

CH1: VIN, 2 V/Div

CH2: VOUT, 1 V/Div

CH4: IL, 200 mA/Div

Figure 66. Full Load Startup

Time Scale: 100 µs/Div

CH1: VSW, 4 V/Div

CH4: IL, 200 mA/Div

Figure 67. Short Circuit

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