1 Features
1• Configured for Rugged Industrial Applications
– Input Voltage Range: 4 V to 36 V
– 600-mA Continuous Output Current
– Minimum Switching-On Time: 60 ns
– 98% Maximum Duty Cycle
– Support Startup with Pre-Biased Output
– Short Circuit Protection with Hiccup Mode
– ±1.5% Tolerance Voltage Reference over
Temperature from –40°C to 125°C
– Precision Enable
• Small Solution Size and Ease of Use
– Integrated Synchronous Rectification
– Internal Compensation for Ease of Use
– SOT-23-6 Package
• Various Options in Pin-to-Pin Compatible Package
– 1.1-MHz and 2.1-MHz Frequency Options
– PFM and Forced PWM (FPWM) Options
– Fixed 3.3-V Output Option
• Create a Custom Design Using the TPS560430
With the WEBENCH® Power Designer

2 Applications
• Grid Infrastructure: Advanced Metering
Infrastructure
• Motor Drive: AC Inverters, VF Drives, Servos,
Field Actuators
• Factory and Building Automation: PLC, Industrial
PC, Elevator Control, HVAC Control
• Aftermarket Automotive: Camera
• General Purpose Wide VIN Power Supplies

3 Description
The TPS560430 is an easy to use synchronous stepdown
DC-DC converter capable of driving up to 600-
mA load current. With a wide input range of 4 V to 36
V, the device is suitable for a wide range of
applications from industrial to automotive for power
conditioning from an unregulated source.
The TPS560430 has 1.1-MHz and 2.1-MHz operating
frequency versions for either high efficiency or small
solution size. The TPS560430 also has FPWM
(forced PWM) version to achieve constant frequency
and small output voltage ripple over the full load
range. Soft-start and compensation circuits are
implemented internally which allows the device to be
used with minimum external components.
The device has built-in protection features, such as
cycle-by-cycle current limit, hiccup mode short-circuit
protection, and thermal shutdown in case of
excessive power dissipation. The TPS560430 is
available in SOT-23-6 package.