1 Features
• Adjustable and synchronizable switching
frequency of 1.8 MHz to 4 MHz
• Spread spectrum clocking (optional)
• Selectable forced PWM or PFM/PWM operation
• Output voltage accuracy ±1% (PWM operation)
• Input voltage range: 2.7 V to 6 V
• Output voltage range: 0.6 V to 5.5 V
• Adjustable soft-start or tracking
• Power-good output with window comparator
• Precise ENABLE input allows
– User-defined undervoltage lockout
– Exact sequencing
• 100% duty cycle
• Output discharge
• 26-μA typical quiescent current
• Pin to Pin compatible with TPSM82813 (3A) and
TPSM82810 (4A)
• Excellent thermal performance
• –40°C to 125°C operating temperature range

2 Applications
• Optical modules, data center interconnect
• Signal measurement, source generation,
instrumentation
• Patient monitoring and diagnostics
• Wireless infrastructure
• Ruggedized Communication: sensors, imaging,
and radar

3 Description
TPSM82816 is part of a family of pin-to-pin 3-A, 4-A
and 6-A compatible high efficiency and easy to use
synchronous step-down DC/DC power modules with
integrated inductors. The devices are based on a
fixed-frequency peak current-mode control topology.
The devices are used in telecommunication, test and
measurement, and medical applications with high
power density and ease of use requirements. Low
resistance switches allow up to 6-A continuous output
current at high ambient temperatures. The switching
frequency is externally adjustable from 1.8 MHz to
4 MHz and can also be synchronized to an external
clock in the same frequency range. In Power Save
Mode, the TPSM82816 automatically enters PFM at
light loads to maintain high efficiency across the
whole load range. The TPSM82816 provides a 1%
output voltage accuracy in PWM mode which helps
design a power supply with high output voltage
accuracy. The SS/TR pin sets the start-up time or
tracks the output voltage to an external source. This
allows external sequencing of different supply rails
and limits the inrush current during start-up.