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部品型式

LP2951-48BM

製品説明
仕様・特性

LP2950/2951 Micrel LP2950/2951 100mA Low-Dropout Voltage Regulator General Description Features The LP2950 and LP2951 are micropower voltage regulators with very low dropout voltage (typically 40mV at light loads and 380mV at 100mA), and very low quiescent current (75µA typical). The quiescent current of the LP2950/LP2951 increases only slightly in dropout, thus prolonging battery life. This feature, among others, makes the LP2950 and LP2951 ideally suited for use in battery-powered systems. • • • • • • • • Available in a 3-Pin TO-92 package, the LP2950 is pincompatible with the older 5V regulators. Additional system functions, such as programmable output voltage and logiccontrolled shutdown, are available in the 8-pin DIP and 8-pin SOIC versions of the LP2951. Applications • • • Automotive Electronics Voltage Reference Avionics High accuracy 5V, guaranteed 100 mA output Extremely low quiescent current Low-dropout voltage Extremely tight load and line regulation Very low temperature coefficient Use as regulator or reference Needs only 1µF for stability Current and thermal limiting LP2951 Versions Only • • • Error flag warns of output dropout Logic-controlled electronic shutdown Output programmable from 1.24 to 29V Block Diagram and Pin Configurations UNREGULATED DC 7 + 8 FEEDBACK INPUT 5V 150 mA MAX. 1 OUTPUT 2 SENSE + 3 FROM CMOS OR TTL SHUTDOWN – 182 kΩ ERROR AMPLIFIER 60 mV + 1.23 V REF. + 5V TAP 60 kΩ + – 6 5 + 1.5 µF TO CMOS OR TTL ERROR ERROR DETECTION COMPARATOR 330 kΩ 4 GROUND LP2950 and LP2951 Block Diagram (Pin Numbers Refer to LP2951) 1 2 7 SHUTDOWN 3 6 4 5 OUTPUT 1 OUTPUT 8 SENSE 3 2 INPUT GROUND GROUND INPUT FEEDBACK 5V TAP ERROR DIP and SO Packages (BN and BM) TO-92 Plastic Package Bottom View (BZ) See MIC2950 for a part with 1) higher output (150 mA), 2) transient protection (60V), and 3) reverse input protection to –20V) February 1999 3-35 3

ブランド

MICREL

現況

2015/05/11 - 米Microchip Technology社は、米Micrel社を買収する。

会社名

Microchip Technology

本社国名

U.S.A

事業概要

マイクロコントローラのPICシリーズ(PICmicro、dsPIC / PIC24、PIC32)、シリアルEEPROM、シリアルSRAM、KEELOQ(英語版)デバイス、RFデバイス、温度センサ、電源管理デバイス(アナログ)、インタフェースデバイスなどの製品がある。インタフェースデバイスとしては、USB、ZigBee/MiWi(英語版)、Controller Area Network、イーサネットなどがある

供給状況

 
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LP2951AACRD2 LP2951AC LP2951ACD LP2951ACD-30 LP2951ACD-30G
LP2951ACD-30R2 LP2951ACD-30R2G LP2951ACD-33 LP2951ACD-3351A33 LP2951ACD-33G
LP2951ACD33GPBF LP2951ACD-33R LP2951ACD-33R2 LP2951ACD-33R2G LP2951ACD-33R2R
LP2951ACD-50 LP2951ACD-5R2 LP2951ACDG LP2951ACDM-30R2 LP2951ACDM-30RG
LP2951ACDM-33R2 LP2951ACDM-33RG LP2951ACDM-50R2 LP2951ACDM-50R2G LP2951ACDMR2
LP2951ACDMR2G LP2951ACDR2 LP2951ACDR2G LP2951ACDR2G45400236 LP2951ACDR2G51A
LP2951ACDR2GSMDONS LP2951ACM LP2951ACM-30 LP2951ACM30A LP2951ACM30B
LP2951ACM30C LP2951ACM-30NOPB LP2951ACM-33 LP2951ACM-33A LP2951ACM33B
LP2951ACM33C LP2951ACM-33NOP LP2951ACM33NOPB LP2951ACM-50 LP2951ACM-5V
LP2951ACMA LP2951ACM-ADJ LP2951ACMAX LP2951ACMB LP2951ACMBX
LP2951ACMC LP2951ACMCLP2951ACM LP2951ACMC-NOPB LP2951ACMCULF LP2951ACMCX
LP2951ACMD LP2951ACMM LP2951ACMM-30 LP2951ACMM-30NOPB LP2951ACMM-30NOPBBKN
LP2951ACMM-33 LP2951ACMM-33CT LP2951ACMM-33CT-ND LP2951ACMM-33NOPB LP2951ACMM-33TSSOP
LP2951ACMML0DA LP2951ACMMNOPB LP2951ACMMX LP2951ACMMX-30 LP2951ACMMX-30NOPB
LP2951ACMMX-33 LP2951ACMMX-33NOPB LP2951ACMMX-50 LP2951ACMMXL0DA LP2951ACMMXNOPB
LP2951ACMNOPB LP2951ACM-SL110019 LP2951ACMTR LP2951ACMX LP2951ACMX18
LP2951ACMX-30 LP2951ACMX-30NOPB LP2951ACMX-33 LP2951ACMX-33C LP2951ACMX-33NOPB
LP2951ACMX-5V00NOPB LP2951ACMXCT LP2951ACMXCT-ND LP2951ACMX-LF LP2951ACMXNOPB
LP2951ACMXNOPBBKN LP2951ACMXPB LP2951ACMXS5000689 LP2951ACMXSO8 LP2951ACMXSOP8
LP2951ACMX-TR LP2951ACN LP2951ACN-30 LP2951ACN-30G LP2951ACN-33
LP2951ACN-33G LP2951ACN-33NOPB LP2951ACNG LP2951ACNGLP2951CNGL LP2951ACNN0PB
LP2951ACNNOPB LP2951ACNNOPBNSC LP2951ACNNSC LP2951ACP LP2951ACS
LP2951ACS-33 LP2951ACSD LP2951ACSD33 LP2951ACSD-33NOPB LP2951ACSDNOPB
LP2951ACSDX-33NOPB LP2951ACSDXNOPB LP2951ACS-L-5-0TR LP2951ADR2G LP2951AIM
LP2951AIMX LP2951AMC LP2951BM LP2951BN LP2951C
LP2951C-50 LP2951CD LP2951CD-005 LP2951CD-30 LP2951CD-30G
LP2951CD-30R2G LP2951CD-33 LP2951CD-3351C33 LP2951CD-33G LP2951CD33GPBF
LP2951CD-33R2 LP2951CD-33R2G LP2951CD33R2GPBF LP2951CD3V3 LP2951CD-5
LP2951CD-5R2 LP2951CDG LP2951C-DIE LP2951CDM-30R2G LP2951CDM-33R2
LP2951CDM-33R2G LP2951CDM-50R2 LP2951CDMR2 LP2951CDMR2G LP2951CDR
LP2951CDR2 LP2951CDR2G LP2951CDR2G51C LP2951CDR2GROHS LP2951CD-SMD
LP2951CM LP2951CM30 LP2951CM30B LP2951CM30C LP2951CM-30NAK2
LP2951CM-30NOPB LP2951CM-33 LP2951CM-33A LP2951CM33B LP2951CM-33C
LP2951CM-33NOPB LP2951CM-50 LP2951CMA LP2951CM-ADJ LP2951CMASMY
LP2951CMB LP2951CMBACM LP2951CMBX LP2951CMC LP2951CMCX
LP2951CMDC LP2951CMLP2951ACMC LP2951CMM LP2951CMM-30 LP2951CMM-30NOPB
LP2951CMM-33 LP2951CMM33NOPB LP2951CMM-33NOPBBKN LP2951CMM-50 LP2951CMMLODB
LP2951CMMNOPB LP2951CMMX LP2951CMMX-30 LP2951CMMX-30NOPB LP2951CMMX-33
LP2951CMMX-33NOPB LP2951CMMX-33V LP2951CMMXJ7000701 LP2951CMMXNOPB LP2951CMNOPB
LP2951CMNOPBNSCSO LP2951CMSOICPB-FRE LP2951CMSX-33 LP2951CMT LP2951CMTR
LP2951CMTRT LP2951CMTSMDSEMTE LP2951CMWC LP2951CMX LP2951CMX#ROHS
LP2951CMX12EA LP2951CMX-30 LP2951CMX-30NOPB LP2951CMX-33 LP2951CMX-33NOPB
LP2951CMX33NOPBLF LP2951CMX-33V LP2951CMX-50 LP2951CMXCULF LP2951CMXDEL
LP2951CMXE5002366 LP2951CMXFAIRCHILD LP2951CMXHAPB LP2951CMX-NL LP2951CMXNO
LP2951CMX-NON-ROHS LP2951CMX-NOPB LP2951CMXNOPBSO8NATIO LP2951CMXNSC LP2951CMXNSSO-8P
LP2951CMXSL109753 LP2951CN LP2951CN30 LP2951CN-30G LP2951CN-30NOPB
LP2951CN-33 LP2951CN-33G LP2951CN-33NOPB LP2951CN33ORCAN33 LP2951CNB
LP2951CNCN-33 LP2951CNG LP2951CNGONS LP2951CNLP2951CNG LP2951CNNOPB
LP2951CNNS LP2951CNNSDIP-8P LP2951CN-PULLS LP2951CNSL00579 LP2951CP1-5
LP2951CS LP2951CS-3 LP2951CS-33 LP2951CS-33-TR LP2951CS-33V
LP2951CS-5-0 LP2951CS-5-0TR LP2951CS-50V LP2951CSD LP2951CSD-30

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