TPS55383, TPS55386
www. ti. com SLUS818 – SEPTEMBER 2008
3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET AND EXTERNAL COMPENSATION
FEATURES
1
•23 4. 5-V to 28-V Input Range • Output Voltage 0. 8 V to 90% of Input Voltage • Output Current Up to 3 A • Two Fixed Switching Frequency Versions:
– TPS55383: 300 kHz
– TPS55386: 600 kHz • Three Selectable Levels of Overcurrent
Protection (Output 2) • 0. 8-V 1. 75% Voltage Reference • 2. 1-ms Internal Soft Start • Dual PWM Outputs 180° Out-of-Phase • Ratiometric or Sequential Startup Modes • Configurable as Dual Output or Two-Channel
Single Output Multiphase for 6 amp Capability • 85-mΩ Internal High-Side MOSFETs • Current Mode Control with External
Compensation • Pulse-by-Pulse Overcurrent Protection • Thermal Shutdown Protection at +148°C • 16-Pi...
TPS55386 PDF File
