NCP3235 datasheet(9/16 Pages) ONSEMI

9 / 16 page

NCP3235

www.onsemi.com

TYPICAL CHARACTERISTICS

Figure 16. Output UVP vs. Junction

Temperature

Figure 17. Efficiency (FSW = 550 kHz,

VIN = 12 V, TA = Room)

LOAD CURRENT (A)

100

Figure 18. Efficiency (FSW = 550 kHz,

VIN = 5 V, TA = Room)

Figure 19. Efficiency (FSW = 550 kHz,

VIN = 19 V, TA = Room)

LOAD CURRENT (A)

100

Figure 20. Efficiency (VOUT = 1.0 V,

VIN = 12 V, TA = Room)

Figure 21. Power Loss Difference

(VOUT = 1.0 V, VIN = 12 V, TA = Room)

LOAD CURRENT (A)

0.40

0.35

0.25

0.20

0.15

0.10

0.05

0.02

0.04

0.06

0.08

0.14

0.16

0.20

TJ, JUNCTION TEMPERATURE (°C)

490

494

498

506

510

110

−10

−25

−40

125

502

VOUT = 1.0 V

VOUT = 1.2 V

VOUT = 1.5 V

VOUT = 1.8 V

VOUT = 2.5 V

VOUT = 3.3 V

VOUT = 5.0 V

VOUT = 1.0 V

VOUT = 1.2 V

VOUT = 1.5 V

VOUT = 1.8 V

VOUT = 2.5 V

VOUT = 3.3 V

VOUT = 1.0 V

VOUT = 1.2 V

VOUT = 1.5 V

VOUT = 1.8 V

VOUT = 2.5 V

VOUT = 3.3 V

VOUT = 5.0 V

VOUT = 12 V

FSW = 550 kHz

FSW = 1.1 MHz

None Sonic Mode

0.30

Sonic Mode

0.10

0.12

0.18

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