TPS560200 Datasheet, PDF (1/18 Pages) Texas Instruments – 4.5V to 17V Input, 500mA Synchronous Step Down SWIFT Converte rwith Advanced Eco-mode

TPS560200
www.ti.com
SLVSC81 – SEPTEMBER 2013
4.5V to 17V Input, 500mA Synchronous Step Down SWIFT™ Converter
with Advanced Eco-mode™
Check for Samples: TPS560200
FEATURES
1
•2 Integrated Monolithic 0.95Ω High Side and
0.33Ω Low Side MOSFETs
• 500mA Continuous Output Current
• Output Voltage Range: 0.8V to 6.5V
• 0.8V Voltage Reference with ±1.3% Accuracy
Over Temperature
• Advanced Auto-Skip Eco-mode™ for High
Efficiency at Light Loads
• D-CAP2™ Mode Enables Fast Transient
Responses
• No External Compensation Needed
• 600 kHz Switching Frequency
• 2 ms Internal Soft Start
• Safe Startup into Pre-biased VOUT
• Thermal Shutdown
• –40°C to 125°C Operating Junction
Temperature Range
• Available in 5-Pin SOT23 Packages
APPLICATIONS
• Set Top Boxes
• Modems
• DTBs
• ASDLs
DESCRIPTION
The TPS560200 is an 17V, 500mA, low Iq, adaptive
on-time D-CAP2™ mode synchronous monolithic
buck converter with integrated MOSFETs in easy-to-
use 5-pin SOT23 package.
The TPS560200 enables system designers to
complete the suite of various end-equipment power
bus regulators with a cost effective, low component
count and low standby current solution. The main
control loop for the device uses the D-CAP2™ mode
control that provides a fast transient response with no
external compensation components. The adaptive on-
time control supports seamless transition between
PWM mode at higher load conditions and advanced
Eco-mode™ operation at light loads.
The TPS560200 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 ultra-low ESR ceramic
capacitors. The device operates from 4.5-V to 17-V
VIN input. The output voltage can be programmed
between 0.8 V and 6.5 V. The device also features a
fixed 2 ms soft start time. The device is available in
the 5-pin SOT23 package.
SIMPLIFIED SCHEMATIC
VIN
Lo
VIN
PH
VOUT
Cin
Co
R1
EN VSENSE
R2
GND
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SWIFT, Eco-mode, D-CAP2 are trademarks of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2013, Texas Instruments Incorporated