TPS54283, TPS54286
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SLUS749C – JULY 2007 – REVISED OCTOBER 2007
2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE
MOSFET
FEATURES
1
•23 4.
5-V to 28-V Input Range • Output
Voltage Range 0.
8 V to 90% of Input
Voltage • Output Current Up to 2 A • Two Fixed Switching Frequency Versions:
– TPS54283: 300 kHz – TPS54286: 600 kHz • Two Selectable Levels of Overcurrent Protection (Output 2) • 0.
8-V 1.
5%
Voltage Reference • 2.
1-ms Internal Soft Start • Dual PWM Outputs 180° Out-of-Phase • Ratiometric or Sequential Startup Modes Selectable by a Single Pin • 100-mΩ Internal High-Side
MOSFETs • Current Mode Control • Internal Compensation (See Page 16) • Pulse-by-Pulse Overcurren...