參數(shù)資料
型號： TPS728XX
廠商： Texas Instruments, Inc.
英文描述： 200mA Low-Dropout Linear Regulator with Pin-Selectable Dual-Voltage Level Output
中文描述： 200mA低與品差線性穩(wěn)壓器可選雙電壓電平輸出
文件頁數(shù)： 1/22頁
文件大?。?/td> 763K
代理商： TPS728XX
1
FEATURES
Very Low Dropout: 230mV Typical at 200mA
3% Accuracy Over Load/Line/Temperature
Low I
Q
: 50
μ
A in Active Mode
Available in Fixed-Output Voltages From 0.9V
to 3.6V Using Innovative Factory EEPROM
Programming
VSET Pin Toggles Output Voltage Between
Two Preset Levels
–
Preset Output Voltage Levels Can Be
EEPROM-Programmed To Any Combination
High PSRR: 65dB at 1kHz
Stable with a 1.0
μ
F Ceramic Capacitor
Thermal Shutdown and Over-Current
Protection
Available in Wafer-Level Chip Scale and
2mm x 2mm SON Packages
DESCRIPTION
The TPS728xx series of low-dropout linear regulators
(LDOs), with a selectable dual-voltage level output, is
designed specially for applications that require two
levels of output voltage regulation. Programming
fuses and memory cards, reducing leakage effects,
and conserving power in nanometric processes are
some application examples.
APPLICATIONS
Power Rails with Programming Mode
Dual Voltage Levels for Power-Saving Mode
Leakage Reduction for 90nm and 65nm
Processors
Wireless Handsets, Smart Phones, PDAs
MP3 Players and Other Handheld Products
OUT
EN
IN
GND
VSET
C3
B2
A3
C1
A1
IN
GND
Thermal
Pad
(1)
EN
6
5
4
OUT
VSET
NC
1
2
3
TPS728xx Series
DRV PACKAGE
2mm x 2mm SON-6
(TOP VIEW)
TPS728xx Series
YZU PACKAGE
WCSP-5
(TOP VIEW)
TPS728xx Series
SBVS095–AUGUST 2007
www.ti.c om
200mA Low-Dropout Linear Regulator
with Pin-Selectable Dual-Voltage Level Output
2
The VSET pin is used to select one of two output
voltage
levels
preset
through
EEPROM programming. A precision bandgap and
error amplifier provides an overall 3% accuracy over
load, line, and temperature extremes.
innovative
factory
Ultra-small wafer chip scale (WCSP) and 2mm x
2mm SON packages make the TPS728xx series ideal
for handheld applications.
This family of devices is fully specified over a
temperature range of T
J
= –40
°
C to +125
°
C.
(1)
It is recommended that the SON package
thermal pad be connected to ground.
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.
2
All trademarks are the property of their respective owners.
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 2007, Texas Instruments Incorporated
相關(guān)PDF資料
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