下载
TPS6236x
PGND
PGND
PGND
AGND
SW
SW
LOAD
C
OUT
0.1µF
SENSE-
SENSE+
VIN
SCL
SDA
VSEL1
EN
AVIN
VDD
2.5V .. 5.5V
0.47uH / 1µH
10µF
0.1µF
VSEL0
1mm
TPS62360, TPS62361B
TPS62362, TPS62363
www.ti.com
SLVSAU9C –MAY 2011–REVISED NOVEMBER 2012
3A Processor Supply with I
2
C Compatible Interface and Remote Sense
Check for Samples: TPS62360, TPS62361B, TPS62362, TPS62363
1
FEATURES
DESCRIPTION
The TPS6236x are a family of high-frequency
2
• 3A Peak Output Current
synchronous step down dc-dc converter optimized for
• Highest Efficiency:
battery-powered portable applications for a small
– Low R
DS,on
Switch and Active Rectifier
solution size. With an input voltage range of 2.5V to
5.5V, common battery technologies are supported.
– Power Save Mode for Light Loads
The device provides up to 3A peak load current,
• I
2
C High Speed Compatible Interface
operating at 2.5MHz typical switching frequency.
• Programmable Output Voltage for Digital
The devices convert to an output voltage range of
Voltage Scaling
0.77V to 1.4V (TPS62360/62) and 0.5V to 1.77V
– TPS62360/62: 0.77V to 1.4V, 10mV Steps
(TPS62361B/63), programmable via I
2
C interface in
– TPS62361B/63: 0.5V to 1.77V, 10mV Steps
10mV steps. Dedicated inputs allow fast voltage
transition to address processor performance
• Excellent DC/AC Output Voltage Regulation
operating points.
– Differential Load Sensing
The TPS6236x supports low-voltage DSPs and
– Precise DC Output Voltage Accuracy
processor cores in smart-phones and handheld
– DCS-Control™ Architecture for Fast and
computers including latest submicron processes.
Precise Transient Regulation
Dedicated hardware input pins allow simple
transitions to performance operating points and
• Multiple Robust Operation/Protection
retention modes of processors.
Features:
– Soft Start
The devices focus on a high output voltage accuracy.
The differential sensing and the DCS-Control™
– Programmable Slew Rate at Voltage
architecture achieve precise static and dynamic,
Transition
transient output voltage regulation.
– Over Temperature Protection
The TPS6236x devices offer high efficiency step
– Input Under Voltage Detection and Lockout
down conversion. The area of highest efficiency is
• Available in 16-Bump, 2mm x 2mm NanoFree™
extended towards low output currents to increase the
Package
efficiency while the processor is operating in retention
mode, as well as towards highest output currents
• Low External Device Count: < 25mm
2
Solution
increasing the battery on-time.
Size
The robust architecture and multiple safety features
APPLICATIONS
allow perfect system integration.
• Dynamic Voltage Scale Compliant Processors
The 2mm x 2mm package and the low number of
and DSPs, Memory
required external components lead to a tiny solution
size of less than 25mm
2
.
• SmartReflex™ Compliant Power Supply
• Cell Phones, Smart Phones, Feature Phones
• Tablets, Netbooks, Clamshells
1
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.
2DCS-Control, NanoFree, SmartReflex are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
页面指南
