TPS62152-Q1 Datasheet, PDF (1/35 Pages) Texas Instruments – 3 to 17-V 1-A Step-Down Converter in 3x3-mm QFN Package

TPS62152-Q1
www.ti.com
SLVSC52A – JULY 2013 – REVISED JULY 2013
3 to 17-V 1-A Step-Down Converter in 3x3-mm QFN Package
Check for Samples: TPS62152-Q1
FEATURES
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•2 Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following
Results:
– Device Temperature Grade 1: –40°C to
125°C Ambient Operating Temperature
Range
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C4B
• DCS-Control™ Topology
• Input Voltage Range: 3 to 17 V
• Up to 1A Output Current
• Adjustable Output Voltage from 0.9 to 6V
• Pin-Selectable Output Voltage (nominal, + 5%)
• Programmable Soft Start and Tracking
• Seamless Power Save Mode Transition
• Quiescent Current of 17 µA (typ.)
• Selectable Operating Frequency
• Power Good Output
• 100% Duty Cycle Mode
• Short Circuit Protection
• Over Temperature Protection
• Available in a 3-mm × 3-mm, QFN-16 Package
APPLICATIONS
• Automotive
• Standard 12-V Rail Supplies
• POL Supply from Single or Multiple Li-Ion
Battery
• Solid-State Disk Drives
• Embedded Systems
• LDO replacement
• Mobile PCs, Tablet, Modems, Cameras
DESCRIPTION
The TPS6215xx-Q1 family is an easy to use
synchronous step down DC-DC converter optimized
for applications with high power density. A high
switching frequency of typically 2.5 MHz allows the
use of small inductors and provides fast transient
response as well as high output voltage accuracy by
utilization of the DCS-Control topology.
With its wide operating input voltage range of 3 V to
17 V, the devices are ideally suited for systems
powered from either a Li-Ion or other batteries as well
as from 12-V intermediate power rails. It supports up
to 1-A continuous output current at output voltages
between 0.9 V and 6 V (with 100% duty cycle mode).
The output voltage startup ramp is controlled by the
soft-start pin, which allows operation as either a
standalone power supply or in tracking configurations.
Power sequencing is also possible by configuring the
Enable and open-drain Power Good pins.
(3 .. 17)V
10uF
3.3nF
PVIN
SW
AVIN
VOS
EN
PG
TPS62151-Q1
SS/TR
FB
DEF
AGND
FSW
PGND
2.2µH
1.8V / 1A
100k
22uF
Figure 1. Typical Application and Efficiency
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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.
DCS-Control is a trademark of Texas Instruments.
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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