LP2981AIM5X-2.7 National Semiconductor, LP2981AIM5X-2.7 Datasheet

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LP2981AIM5X-2.7

Manufacturer Part Number
LP2981AIM5X-2.7
Description
Manufacturer
National Semiconductor
Datasheet

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LP2981AIM5X-2.7
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© 2000 National Semiconductor Corporation
LP2981
Micropower 100 mA Ultra Low-Dropout Regulator
General Description
The LP2981 is a 100 mA, fixed-output voltage regulator de-
signed
battery-powered applications.
Using an optimized VIP
cess, the LP2981 delivers unequaled performance in all
specifications critical to battery-powered designs:
Dropout Voltage. Typically 200 mV
7 mV
Ground Pin Current. Typically 600 µA
80 µA
Sleep Mode. Less than 1 µA quiescent current when ON/
OFF pin is pulled low.
Smallest Possible Size. SOT-23and micro SMD packages
use an absolute minimum board space.
Precision Output. 0.75% tolerance output voltages avail-
able (A grade).
Eleven voltage options, from 2.5V to 5.0V, are available as
standard products.
Block Diagram
VIP
is a trademark of National Semiconductor Corporation.
@
@
1 mA load.
1 mA load.
specifically
to
(Vertically Integrated PNP) pro-
meet
the
@
@
DS012506
100 mA load, and
requirements
100 mA load, and
of
Features
n Ultra low dropout voltage
n Output voltage accuracy 0.75% (A Grade)
n Guaranteed 100 mA output current
n Smallest possible size (SOT-23, micro SMD package)
n
n Low ground pin current at all load currents
n High peak current capability (300 mA typical)
n Wide supply voltage range (16V max)
n Fast dynamic response to line and load
n Low Z
n Overtemperature/overcurrent protection
n −40˚C to +125˚C junction temperature range
Applications
n Cellular Phone
n Palmtop/Laptop Computer
n Personal Digital Assistant (PDA)
n Camcorder, Personal Stereo, Camera
<
1 µA quiescent current when shutdown
OUT
over wide frequency range
DS012506-1
www.national.com
March 2000

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LP2981AIM5X-2.7 Summary of contents

Page 1

... Precision Output. 0.75% tolerance output voltages avail- able (A grade). Eleven voltage options, from 2.5V to 5.0V, are available as standard products. Block Diagram VIP ™ trademark of National Semiconductor Corporation. © 2000 National Semiconductor Corporation Features n Ultra low dropout voltage requirements of n Output voltage accuracy 0.75% (A Grade) ...

Page 2

... SMD, 5 Bump Package (BPA05) See NS Package Number BPA05 TABLE 1. Package Marking and Order Information Order Information Package Marking LP2981AIM5X-2.5 L0CA LP2981AIM5-2.5 L0CA LP2981IM5X-2.5 L0CB LP2981IM5-2.5 L0CB LP2981AIM5X-2.7 L0DA LP2981AIM5-2.7 L0DA LP2981IM5X-2.7 L0DB LP2981IM5-2.7 L0DB LP2981AIM5X-2.8 L77A LP2981AIM5-2.8 L77A LP2981IM5X-2.8 L77B LP2981IM5-2 ...

Page 3

... L36A LP2981IM5X-3.8 L36B LP2981IM5-3.8 L36B LP2981AIM5X-4.0 L0ZA LP2981AIM5-4.0 L0ZA LP2981IM5X-4.0 L0ZB LP2981IM5-4.0 L0ZB LP2981AIM5X-4.7 L0GA LP2981AIM5-4.7 L0GA LP2981IM5X-4.7 L0GB LP2981IM5-4.7 L0GB LP2981AIM5X-5.0 L03A LP2981AIM5-5.0 L03A LP2981IM5X-5.0 L03B LP2981IM5-5.0 L03B LP2981AIBP-2.5 LP2981AIBPX-2.5 LP2981IBP-2.5 LP2981IBPX-2.5 LP2981AIBP-3.2 LP2981AIBPX-3.2 LP2981IBP-3.2 LP2981IBPX-3.2 LP2981AIBP-3.3 LP2981AIBPX-3.3 LP2981IBP-3.3 LP2981IBPX-3.3 3 ...

Page 4

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Range Operating Junction Temperature Range Lead Temperature (Soldering, 5 sec.) ESD Rating (Note 2) Electrical Characteristics Limits in standard typeface are for T ...

Page 5

Electrical Characteristics Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the de- vice outside of its rated operating conditions. Note 2: The ESD rating of pins ...

Page 6

Typical Performance Characteristics C = 4.7 µ µF all voltage options, ON/OFF pin tied to V OUT IN Output Voltage vs Temperature Output Voltage vs Temperature Dropout Characteristics www.national.com Unless otherwise specified Output Voltage ...

Page 7

Typical Performance Characteristics C = 4.7 µ µF all voltage options, ON/OFF pin tied to V OUT IN Dropout Voltage vs Temperature Ground Pin Current vs Temperature Input Current Unless otherwise specified ...

Page 8

Typical Performance Characteristics C = 4.7 µ µF all voltage options, ON/OFF pin tied to V OUT IN Line Transient Response Load Transient Response Load Transient Response www.national.com Unless otherwise specified (Continued) IN Line Transient ...

Page 9

Typical Performance Characteristics C = 4.7 µ µF all voltage options, ON/OFF pin tied to V OUT IN Short Circuit Current Short Circuit Current Output Impedance vs Frequency Unless otherwise specified (Continued) IN Instantaneous Short ...

Page 10

Typical Performance Characteristics C = 4.7 µ µF all voltage options, ON/OFF pin tied to V OUT IN Output Noise Density Input to Output Leakage vs Temperature Turn-On Waveform www.national.com Unless otherwise specified (Continued) IN ...

Page 11

Typical Performance Characteristics C = 4.7 µ µF all voltage options, ON/OFF pin tied to V OUT IN ON/OFF Pin Current vs V ON/OFF Application Hints EXTERNAL CAPACITORS Like any low-dropout regulator, the external capacitors used with ...

Page 12

... ON/OFF input. Micro SMD Mounting The micro SMD package requires specific mounting tech- niques which are detailed in National Semiconductor Appli- cation Note # 1112. Referring to the section Surface Mount Technology (SMT) Assembly Considerations , it should be noted that the pad style which must be used with the 5-pin package is the NSMD (non-solder mask defined) type ...

Page 13

Application Hints (Continued) For best results during assembly, alignment ordinals on the PC board may be used to facilitate placement of the micro SMD device. Micro SMD Light Sensitivity Exposing the micro SMD device to direct sunlight will cause misoperation ...

Page 14

Physical Dimensions For Order Numbers, refer to Table 1 in the “Ordering Information” section of this document. www.national.com inches (millimeters) unless otherwise noted 5-Lead Small Outline Package (M5) NS Package Number MF05A 14 ...

Page 15

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) NOTES: UNLESS OTHERWISE SPECIFIED 1. EPOXY COATING 2. 63Sn/37Pb EUTECTIC BUMP 3. RECOMMEND NON-SOLDER MASK DEFINED LANDING PAD. 4. PIN 1 IS ESTABLISHED BY LOWER LEFT CORNER WITH RESPECT TO TEXT ORIENTATION. ...

Page 16

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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