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LP2966EP Datasheet

Enhanced Plastic Dual 150mA Ultra Low-Dropout Regulator

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May 2004
LP2966EP
Enhanced Plastic Dual 150mA Ultra Low-Dropout
Regulator
General Description
The LP2966EP dual ultra low-dropout (LDO) regulator oper-
ates 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 por-
table applications. Each LDO in the LP2966EP has indepen-
dent shutdown capability. The LP2966EP provides low noise
performance with low ground pin current in an extremely
small MSOP-8 package (refer to package dimensions and
connection diagram for more information on MSOP-8 pack-
age). A wide range of preset voltage options are available for
each output. In addition to the voltage combinations listed in
the ordering information table, many more are available
upon request with minimum orders. In all, 256 voltage com-
binations are possible.
ENHANCED PLASTIC
Extended Temperature Performance of −40˚C to +125˚C
Baseline Control - Single Fab & Assembly Site
Process Change Notification (PCN)
Qualification & Reliability Data
Solder (PbSn) Lead Finish is standard
Enhanced Diminishing Manufacturing Sources (DMS)
Support
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 corre-
sponding output drops 10% below nominal.
Precision Output Voltage: Multiple output voltage options
available ranging from 1.8V to 5.0V with a guaranteed accu-
racy of ±1% at room temperature.
Features
n Ultra low drop-out voltage
n Low ground pin current
n <1µA quiescent current in shutdown mode
n Independent shutdown of each LDO regulator
n Output voltage accuracy ±1%
n Guaranteed 150mA output current at each output
n Low output noise
n Error Flags indicate status of each output
n Available in MSOP-8 surface mount packages
n Low output capacitor requirements (1µF)
n Operates with Low ESR ceramic capacitors in most
applications
n Over temperature/over current protection
Applications
n GPS systems
n Selected Military Applications
n Selected Avionics Applications
Ordering Information
PART NUMBER
LP2966MX3325EP
(Note 1) (Note 2)
VID PART NUMBER
V62/04638-01
TBD
NS PACKAGE NUMBER (Note 3)
MUA08A
TBD
Note 1: For the following (Enhanced Plastic) versions, check for availability: LP2966MM1818EP, LP2966MM1828EP, LP2966MM1830EP,
LP2966MM1833EP, LP2966MM2518EP, LP2966MM2525EP, LP2966MM2828EP, LP2966MM2830EP, LP2966MM3030EP, LP2966MM3325EP,
LP2966MM3333EP, LP2966MM3336EP, LP2966MM3636EP, LP2966MM5050EP, LP2966MX1818EP, LP2966MX1828EP, LP2966MX1830EP,
LP2966MX1833EP, LP2966MX2518EP, LP2966MX2525EP, LP2966MX2828EP, LP2966MX2830EP, LP2966MX3030EP, LP2966MX3333EP,
LP2966MX3336EP, LP2966MX3636EP, LP2966MX5050EP. Parts listed with an "X" are provided in Tape & Reel and parts without an "X" are in Rails.
Note 2: FOR ADDITIONAL ORDERING AND PRODUCT INFORMATION, PLEASE VISIT THE ENHANCED PLASTIC WEB SITE AT: www.national.com/
mil
Note 3: Refer to package details under Physical Dimensions
© 2004 National Semiconductor Corporation DS200993
www.DataSheet.in
www.national.com


National Semiconductor Electronic Components Datasheet

LP2966EP Datasheet

Enhanced Plastic Dual 150mA Ultra Low-Dropout Regulator

No Preview Available !

Typical Application Circuit
20099330
*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
www.national.com
www.DataSheet.in
20099331
2


Part Number LP2966EP
Description Enhanced Plastic Dual 150mA Ultra Low-Dropout Regulator
Maker National Semiconductor
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LP2966EP Datasheet PDF






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