TPS54339
www.ti.com SLVSBT2 – JANUARY 2013 4.5 V to 23 V Input, 3-A Synchronous Step-Down SWIFT™ Converter
Check for Samples: TPS54339 FEATURES DESCRIPTION The TPS54339 is an adaptive on-time D-CAP2в„ў
mode synchronous buck converter. The TPS54339
enables system designers to complete the suite of
various end-equipment power bus regulators with a
cost effective, low component count, low standby
current solution. The main control loop for the
TPS54339 uses the D-CAP2в„ў mode control that
provides a fast transient response with no external
compensation components. The TPS54339 also has
a proprietary circuit that enables the device to adopt
to both low equivalent series resistance (ESR) output
capacitors, such as POSCAP or SP-CAP, and ultralow ESR ceramic capacitors. The device operates
from 4.5-V to 23-V VIN input. The output voltage can
be programmed between 0.76 V and 7 V. The device
also features an adjustable soft start time. The
TPS54339 is available in the 8-pin DDA package,
and designed to operate from –40°C to 85°C. 1 23 D-CAP2™ Mode Enables Fast Transient
Response
Low Output Ripple and Allows Ceramic Output
Capacitor
Wide VIN Input Voltage Range: 4.5 V to 23 V …
