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TPS780 Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS780
Description  150mA, Low-Dropout Regulator, Ultralow-Power, IQ 500nA with Pin-Selectable, Dual-Level Output Voltage
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS780 Datasheet(HTML) 1 Page - Texas Instruments

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1
FEATURES
APPLICATIONS
DESCRIPTION
TPS780DDC
TSOT23-5
(TOPVIEW)
OUT
V
/FB
SET
IN
GND
EN
1
2
3
5
4
TPS780DRV
2mmx2mmSON-6
(TOPVIEW)
IN
GND
EN
6
5
4
OUT
N/C
V
FB
/
SET
1
2
3
Thermal
Pad
TPS780 Series
SBVS083B – JANUARY 2007 – REVISED MARCH 2008
www.ti.com
150mA, Low-Dropout Regulator, Ultralow-Power, IQ 500nA
with Pin-Selectable, Dual-Level Output Voltage
The VSET pin allows the end user to switch between
two
voltage
levels
on-the-fly
through
a
2
• Low I
Q: 500nA
microprocessor-compatible
input.
This
LDO
is
• 150mA, Low-Dropout Regulator with
designed specifically for battery-powered applications
Pin-Selectable Dual Voltage Level Output
where dual-level voltages are needed. With ultralow
IQ (500nA), microprocessors, memory cards, and
• Low Dropout: 200mV at 150mA
smoke detectors are ideal applications for this device.
• 3% Accuracy Over Load/Line/Temperature
The ultralow-power and selectable dual-level output
• Available in Dual-Level, Fixed Output Voltages
voltages
allow
designers
to
customize
power
from 1.5V to 4.2V Using Innovative Factory
consumption for specific applications. Designers can
EPROM Programming
now shift to a lower voltage level in a battery-powered
• Available in an Adjustable Version from 1.22V
design when the microprocessor is in sleep mode,
to 5.25V or a Dual-Level Output Version
further reducing overall system power consumption.
The two voltage levels are preset at the factory
• V
SET Pin Toggles Output Voltage Between Two
through a unique architecture using an EPROM. The
Factory-Programmed Voltage Levels
EPROM
technique
allows
for
numerous
output
• Stable with a 1.0µF Ceramic Capacitor
voltage options between VSET low (1.5V to 4.2V) and
• Thermal Shutdown and Overcurrent Protection
VSET high (2.0V to 3.0V) in the fixed output version
only. See the Voltage Options table in this data sheet
• CMOS Logic Level-Compatible Enable Pin
or consult with your local factory representative for
• Available in DDC (TSOT23-5) or DRV (2mm ×
exact voltage options and ordering information;
2mm SON-6) Package Options
minimum order quantities may apply.
The TPS780 series are designed to be compatible
with the TI MSP430 and other similar products. The
• TI MSP430 Attach Applications
enable pin is compatible with standard CMOS logic.
• Power Rails with Programming Mode
This LDO is stable with any output capacitor greater
• Dual Voltage Levels for Power-Saving Mode
than 1.0
µF. Therefore, implementations of this device
• Wireless Handsets, Smartphones, PDAs, MP3
require minimal board space because of miniaturized
Players, and Other Battery-Operated Handheld
packaging and a potentially small output capacitor.
Products
The TPS780 series IQ (500nA) also come with
thermal shutdown and current limit to protect the
device during fault conditions. All packages have an
operating temperature range of TJ = –40°C to
The TPS780 family of low-dropout (LDO) regulators
+125
°C. For
more
cost-sensitive
applications
offer the benefits of ultralow power (IQ = 500nA),
requiring a dual-level voltage option and only on par
miniaturized packaging (2
×2 SON-6), and selectable
IQ, consider the TPS781 series, with an IQ of 1.0µA
dual-level output voltage levels. An adjustable version
and dynamic voltage scaling.
is also available, but does not have the capability to
shift voltage levels.
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.
Copyright © 2007–2008, 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.


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