Datasheet Texas Instruments TPS55383PWPRG4 — 数据表

TPS55383, TPS55386
www.ti.com . SLUS818 – SEPTEMBER 2008 3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET
AND EXTERNAL COMPENSATION
FEATURES CONTENTS 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 180В° 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 +148В°C
16-Pin PowerPADв„ў HTSSOP package Device Ratings …