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LP2966 Datasheet Preview

LP2966 Datasheet

Dual 150mA Ultra Low-Dropout Regulator

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LP2966
www.ti.com
SNVS028E – APRIL 2000 – REVISED APRIL 2013
Dual 150mA Ultra Low-Dropout Regulator
Check for Samples: LP2966
FEATURES
1
2 Ultra Low Drop-Out Voltage
• Low Ground Pin Current
• <1µA Quiescent Current in Shutdown Mode
• Independent Shutdown of Each LDO Regulator
• Output Voltage Accuracy ±1%
• Ensured 150mA Output Current at Each
Output
• Low Output Noise
• Error Flags Indicate Status of Each Output
• Available in VSSOP-8 Surface Mount Package
• Low Output Capacitor Requirements (1µF)
• Operates with Low ESR Ceramic Capacitors in
Most Applications
• Over Temperature/Over Current Protection
• -40°C to +125°C Junction Temperature Range
APPLICATIONS
• Cellular and Wireless Applications
• Palmtop/Laptop Computer
• GPS Systems
• Flat Panel Displays
• Post Regulators
• USB Applications
• Hand Held Equipment and Multimeters
• Wireless Data Terminals
• Other Battery Powered Applications
KEY SPECIFICATIONS
• Dropout Voltage: Varies Linearly with Load
Current. Typically 0.9 mV at 1mA Load Current
and 135mV at 150mA Load Current
• Ground Pin Current: Typically 300µA at 1mA
Load Current and 340µA at 100mA Load
Current (with One Shutdown Pin Pulled Low)
• Shutdown Mode: Less than 1µA Quiescent
Current when Both Shutdown Pins are Pulled
Low
• Error Flag: Open Drain Output, Goes Low
when the Corresponding Output Drops 10%
Below Nominal
• Precision Output Voltage: Multiple Output
Voltage Options Available Ranging from 1.8V
to 5.0V with an Ensured Accuracy of ±1% at
Room Temperature
DESCRIPTION
The LP2966 dual ultra low-dropout (LDO) regulator
operates from a +2.70V to +7.0V input supply. Each
output delivers 150mA over full temperature range.
The IC operates with extremely low drop-out voltage
and quiescent current, which makes it very suitable
for battery powered and portable applications. Each
LDO in the LP2966 has independent shutdown
capability. The LP2966 provides low noise
performance with low ground pin current in an
extremely small VSSOP-8 package (refer to package
dimensions and CONNECTION DIAGRAM for more
information on VSSOP-8 package). A wide range of
preset voltage options are available for each output.
In addition, many more are available upon request
with minimum orders. In all, 256 voltage combinations
are possible.
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.
All trademarks are the property of their respective owners.
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 © 2000–2013, Texas Instruments Incorporated




etcTI

LP2966 Datasheet Preview

LP2966 Datasheet

Dual 150mA Ultra Low-Dropout Regulator

No Preview Available !

LP2966
SNVS028E – APRIL 2000 – REVISED APRIL 2013
TYPICAL APPLICATION CIRCUIT
www.ti.com
*SD1 and SD2 must be actively terminated through a pull up resistor. Tie to VIN if not used.
**ERROR1 and ERROR2 are open drain outputs. These pins must be connected to ground if not used.
# Minimum output capacitance is 1µF to insure stability over full load current range. More capacitance improves
superior dynamic performance and provides additional stability margin.
BLOCK DIAGRAM
CONNECTION DIAGRAM
Top View
Figure 1. VSSOP-8 Package
8-Lead Small Outline Integrated Circuit
See Package Number DGK0008A
2
Submit Documentation Feedback
Product Folder Links: LP2966
Copyright © 2000–2013, Texas Instruments Incorporated


Part Number LP2966
Description Dual 150mA Ultra Low-Dropout Regulator
Maker etcTI
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