3-A Synchronous Step-Down Converter
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TPS54320
SLVS98...
Description
Product Folder
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Technical Documents
Tools & Software
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Reference Design
TPS54320
SLVS982C – AUGUST 2010 – REVISED APRIL 2018
TPS54320 4.5- to 17-V Input, 3-A Synchronous Step Down SWIFT™ Converter
1 Features
1 Integrated 57-mΩ / 50-mΩ MOSFETs Split Power Rail: 1.6 to 17 V on PVIN 200-kHz to 1.2-MHz Switching Frequency Synchronizes to External Clock 0.8-V Voltage Reference With ±1% Accuracy Low 2-µA Shutdown Quiescent Current Hiccup Overcurrent Protection Monotonic Start-Up into Prebiased Outputs –40°C to 150°C Operating Junction Temperature
Range Pin-to-Pin Compatible With the TPS54620 Adjustable Slow Start/Power Sequencing Power Good Output for Undervoltage and
Overvoltage Monitoring Adjustable Input Undervoltage Lockout (UVLO) Supported by SwitcherPro™ Software Tool For SWIFT™ Documentation and SwitcherPro,
Visit www.ti.com/swift Create a Custom Design Using the TPS54320
With the WEBENCH® Power Designer
2 Applications
Broadband, Networking, and Communication Infrastructure
Automated Test and Medical Equipment DSP and FPGA Point-of-Load Applications from
12-V Bus Simplified Schematic
VIN Cin
Css Rrt C2
PVIN VIN
TPS54320
BOOT
Cboot
EN PH PWRGD
Lo Co
SS/TR VSENSE RT/CLK COMP GND
R3 Exposed Thermal
C1 Pad
VOUT R1 R2
3 Description
The TPS54320 is a full-featured 17-V, 3-A synchronous step-down converter which is optimized for small designs through high efficiency and integrated high-side and low-side...
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