IP1202PBF datasheet(23/29 Pages) IRF

部件名	IP1202PBF

功能描述	Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors, PWM Control & Passives

PDF	29 Pages

Scroll/Zoom	100%

制造商	IRF [International Rectifier]

网页	http://www.irf.com

标志

23 / 29 page

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iP1202PbF

Ch1: Output 1 voltage, 1V/div

Ch2: Output 2 voltage, 1V/div

Ch3: Output 1 load current, 10A/div

Ch4: Output 2 load current, 10A/div

Fig. 25: iP1202PbF latched overcurrent response

(output1 shutsdown due to overload, whereas

output2 continues uninterrupted)

Ch1: Output1 voltage, 1V/div

Ch2: Output2 voltage, 1V/div

Fig. 27: iP1202PbF overvoltage trip. (Overvoltage

on output2 causes both outputs to shutdown)

Vin=3.3V

Ch1: Output 1 switch node voltage 10V/div

Ch2: Output 2 switch node voltage 10V/div

Ch3: Output 1 inductor current, 10A/div

Ch4: Output 2 inductor current , 10A/div

Fig. 26: iP1202PbF inductor current sharing

Vin=12V

Ch1: Output 1 switch node voltage 10V/div

Ch2: Output 2 switch node voltage 10V/div

Ch3: Output voltage ripple, 50mV/div

Fig. 28: iP1202PbF Output voltage ripple in parallel

configuration

Ch2

Ch4

Ch1

Ch3

IP1202PBF 数据表(PDF) 23 Page - International Rectifier