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LP2985-25DBVR Datasheet

  • LP2985-25DBVR

  • Texas Instruments [150-mA LOW-NOISE LOW-DROPOUT REGULATOR W...

  • TI

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LP2985
150-mA LOW-NOISE LOW-DROPOUT REGULATOR
WITH SHUTDOWN
SLVS522K 鈥?JULY 2004 鈥?REVISED MARCH 2008
1
FEATURES
Output Tolerance of
鈥?1% (A Grade)
鈥?1.5% (Standard Grade)
Ultra-Low Dropout, Typically
鈥?280 mV at Full Load of 150 mA
鈥?7 mV at 1 mA
Wide V
IN
Range鈥?6 V Max
Low I
Q
. . . 850
碌A(chǔ)
at Full Load at 150 mA
Shutdown Current . . . 0.01
碌A(chǔ)
Typ
Low Noise . . . 30
碌V
RMS
With 10-nF Bypass
Capacitor
Stable With Low-ESR Capacitors, Including
Ceramic
Overcurrent and Thermal Protection
High Peak-Current Capability
ESD Protection Exceeds JESD 22
鈥?2000-V Human-Body Model (A114-A)
鈥?200-V Machine Model (A115-A)
PORTABLE APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Cellular Phones
Palmtop and Laptop Computers
Personal Digital Assistants (PDAs)
Digital Cameras and Camcorders
CD Players
MP3 Players
DBV (SOT-23) PACKAGE
(TOP VIEW)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
V
IN
GND
ON/OFF
1
2
3
5
4
V
OUT
BYPASS
DESCRIPTION/ORDERING INFORMATION
The LP2985 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both
portable and nonportable applications. Available in voltages of 1.8 V, 2.5 V, 2.8 V, 2.9 V, 3 V, 3.3 V and 5 V, the
family has an output tolerance of 1% for the A version (1.5% for the non-A version) and is capable of delivering
150-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature
protection, are included.
The LP2985 has a host of features that makes the regulator an ideal candidate for a variety of portable
applications:
鈥?/div>
Low dropout: A PNP pass element allows a typical dropout of 280 mV at 150-mA load current and 7 mV at
1-mA load.
鈥?/div>
Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are considerably
lower than those associated with traditional lateral PNP regulators.
鈥?/div>
Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01
碌A(chǔ)
when the
ON/OFF pin is pulled low.
鈥?/div>
Low-ESR-capacitor friendly: The regulator is stable with low-ESR capacitors, allowing the use of small,
inexpensive, ceramic capacitors in cost-sensitive applications.
鈥?/div>
Low noise: A BYPASS pin allows for low-noise operation, with a typical output noise of 30
碌V
RMS
, with the
use of a 10-nF bypass capacitor.
鈥?/div>
Small packaging: For the most space-constrained needs, the regulator is available in the SOT-23 package.
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.
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 漏 2004鈥?008, Texas Instruments Incorporated

LP2985-25DBVR PDF文件相關(guān)型號

LP2985-25DBVT,LP2985-30DBVRG4,LP2985-30DBVT,LP2985-50DBVR,LP2985A-25DBVTG4,LP2985A-28DBVTE4,LP2985A-33DBVRE4

LP2985-25DBVR 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 2.5V

  • 最高 16V

  • 0.28V @ 150mA

  • 1

  • 150mA（最小值）

  • -

  • -40°C ~ 125°C

  • 表面貼裝

  • SC-74A，SOT-753

  • SOT-23-5

  • Digi-Reel®

  • 296-32149-6

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