IP1202 Datasheet, PDF (22/29 Pages) International Rectifier – Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors, PWM Control & Passives

iP1202
Typical Waveforms
Ch1
Ch3
Ch2
Ch4
Ch1: Output 1 switching node, 400kHz
Ch2: Output 2 switching node, 400kHz
Ch4: 800kHz external synchronization
Fig. 21: iP1202 Outputs synchronized to 800kHz
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. 22: iP1202 hiccup response (Output 1 hiccups
due to overload, whereas Output 2 continues
uniterrupted)
Ch1: Output voltage, 100mV/div ac
Ch3: Load current, 5A/div
Fig. 23: iP1202 Transient response load step 1A
to 12A
22
Ch1: Output voltage, 100mV/div ac
Ch3: Load current, 5A/div
Fig. 24: iP1202 Transient response load step 12A
to 0A
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