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LP2985AIM5X-4.7 데이터시트 PDF




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부품번호 LP2985AIM5X-4.7 기능
기능 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
제조업체 National Semiconductor
로고 National Semiconductor 로고


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LP2985AIM5X-4.7 데이터시트, 핀배열, 회로
March 2000
LP2985
Micropower 150 mA Low-Noise Ultra Low-Dropout
Regulator
Designed for Use with Very Low ESR Output Capacitors
General Description
The LP2985 is a 150 mA, fixed-output voltage regulator de-
signed to provide ultra low-dropout and low noise in battery
powered applications.
Using an optimized VIP(Vertically Integrated PNP) pro-
cess, the LP2985 delivers unequalled performance in all
specifications critical to battery-powered designs:
Dropout Voltage: Typically 300 mV @ 150 mA load, and
7 mV @ 1 mA load.
Ground Pin Current: Typically 850 µA @ 150 mA load, and
75 µA @ 1 mA load.
Enhanced Stability: The LP2985 is stable with output ca-
pacitor ESR as low as 5 m, which allows the use of ceramic
capacitors on the output.
Sleep Mode: Less than 1 µA quiescent current when
ON/OFF pin is pulled low.
Smallest Possible Size: SOT-23 and micro SMD packages
use absolute minimum board space.
Precision Output: 1% tolerance output voltages available
(A grade).
Low Noise: By adding a 10 nF bypass capacitor, output
noise can be reduced to 30 µV (typical).
Multiple voltage options, from 2.5V to 5.0V, are available as
standard products. Consult factory for custom voltages.
Features
n Ultra low dropout voltage
n Guaranteed 150 mA output current
n Smallest possible size (SOT-23, micro SMD package)
n Requires minimum external components
n Stable with low-ESR output capacitor
n <1 µA quiescent current when shut down
n Low ground pin current at all loads
n Output voltage accuracy 1% (A Grade)
n High peak current capability
n Wide supply voltage range (16V max)
n Low ZOUT: 0.3typical (10 Hz to 1 MHz)
n Overtemperature/overcurrent protection
n −40˚C to +125˚C junction temperature range
n Custom voltages available
Applications
n Cellular Phone
n Palmtop/Laptop Computer
n Personal Digital Assistant (PDA)
n Camcorder, Personal Stereo, Camera
Block Diagram
VIPis a trademark of National Semiconductor Corporation.
© 2000 National Semiconductor Corporation DS100140
DS100140-1
www.national.com




LP2985AIM5X-4.7 pdf, 반도체, 판매, 대치품
Ordering Information (Continued)
TABLE 1. Package Marking and Ordering Information (Continued)
Output Voltage
(V)
Grade
Order Information
5-Lead Small Outline Package (M5)
4.0 A LP2985AIM5-4.0
4.0
STD
LP2985IM5X-4.0
4.0
STD
LP2985IM5-4.0
4.7 A LP2985AIM5X-4.7
4.7 A LP2985AIM5-4.7
4.7
STD
LP2985IM5X-4.7
4.7
STD
LP2985IM5-4.7
4.8 A LP2985AIM5X-4.8
4.8 A LP2985AIM5-4.8
4.8
STD
LP2985IM5X-4.8
4.8
STD
LP2985IM5-4.8
5.0 A LP2985AIM5X-5.0
5.0 A LP2985AIM5-5.0
5.0
STD
LP2985IM5X-5.0
5.0
STD
LP2985IM5-5.0
micro SMD, 5 Bump Package (BPA05)
2.5 A LP2985AIBP-2.5
2.5 A LP2985AIBPX-2.5
2.5
STD
LP2985IBP-2.5
2.5
STD
LP2985IBPX-2.5
2.8 A LP2985AIBP-2.8
2.8 A LP2985AIBPX-2.8
2.8
STD
LP2985IBP-2.8
2.8
STD
LP2985IBPX-2.8
3.3 A LP2985AIBP-3.3
3.3 A LP2985AIBPX-3.3
3.3
STD
LP2985IBPX-3.3
3.3
STD
LP2985IBPX-3.3
Package
Marking
L0TA
L0TB
L0TB
LAJA
LAJA
LAJB
LAJB
LAKA
LAKA
LAKB
LAKB
L0UA
L0UA
L0UB
L0UB
Supplied as:
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
250 Units on Tape and Reel
3000 Units on Tape and Reel
250 Units on Tape and Reel
3000 Units on Tape and Reel
250 Units on Tape and Reel
3000 Units on Tape and Reel
250 Units on Tape and Reel
3000 Units on Tape and Reel
250 Units on Tape and Reel
3000 Units on Tape and Reel
250 Units on Tape and Reel
3000 Units on Tape and Reel
www.national.com
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LP2985AIM5X-4.7 전자부품, 판매, 대치품
Typical Performance Characteristics Unless otherwise specified: CIN = 1µF, COUT = 4.7µF, VIN =
VOUT(NOM) +1, TA = 25˚C, ON/OFF pin is tied to VIN.
VOUT vs Temperature
Short-Circuit Current
Short-Circuit Current
DS100140-8
DS100140-9
Short Circuit Current vs Output Voltage
Ripple Rejection
DS100140-10
Ripple Rejection
DS100140-11
DS100140-13
7
DS100140-14
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부품번호상세설명 및 기능제조사
LP2985AIM5X-4.0

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors

National Semiconductor
National Semiconductor
LP2985AIM5X-4.0

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors

National Semiconductor
National Semiconductor

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