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L4977A

7A SWITCHING REGULATOR

DESCRIPTION TheL4977Aisastepdownmonolithicpowerswitchingregulatordelivering7Aatavoltagevariablefrom5.1to40V. RealizedwithBCDmixedtechnology,thedeviceusesaDMOSoutputtransistortoobtainveryhighefficiencyandveryfastswitchingtimes.FeaturesoftheL4977Ainc

STMICROELECTRONICSSTMicroelectronics

意法半導體意法半導體集團

L4977A

7 A switching regulator; ? UNDER VOLTAGE LOCK OUT WITH HYSTERETIC TURN-ON\n? INPUT/OUTPUT SYNC PIN\n? VERY HIGH EFFICIENCY\n? PWM LATCH FOR SINGLE PULSE PER PERIOD\n? THERMAL SHUTDOWN\n? SWITCHING FREQUENCY UP TO 500KHz\n? CONTINUOUS MODE OPERATION\n? RESET AND POWER FAIL FUNCTIONS? PRECISE 5.1V ± 2% ON CHIP REFERENCE\n? 7A OUTPUT CURRENT\n? 0 TO 90% DUTY CYCLE RANGE\n? 5.1V TO 40V OUTPUT VOLTAGE RANGE\n? INTERNAL CURRENT LIMITING\n? SOFT START\n? INTERNAL FEED-FORWARD LINE REGULATION;

STSTMicroelectronics

意法半導體意法半導體集團

NTE4977

SurgeClamping,TransientOvervoltageSuppressorBidirectional

Description: TheNTE4900seriesofsiliconTransientSuppressorsdesignedtoprotectvoltagesensitivecomponentsfromhighenergyvoltagetransients.Transientovervoltagesuppressordeviceshavebecomeveryimportantasaconsequenceoftheirhighsurgecapability,extremelyfastresponsetime

NTE

NTE Electronics

PE4977

SCMaleConnectorClamp/SolderAttachmentForRG218

PASTERNACK

Pasternack Enterprises, Inc.

SAA4977H

Besic

2GENERALDESCRIPTION TheSAA4977HisavideoprocessingICprovidinganalogYUVinterfacing,videoenhancingfeatures,memorycontrollingandanembedded80C51microprocessorcore.Itisapplicableespeciallyforfieldrateup-conversion(50to100Hzor60to120Hz)incooperationwitha2.9

PhilipsPhilips Semiconductors

飛利浦荷蘭皇家飛利浦

SZN4977

5W6.8??390VOLTSZENERDIODES

SSDI

Solid States Devices, Inc

SZN4977

6.8??390VOLTSZENERDIODES

FEATURES: ?HermeticallyGlassSealed ?HighPowerDissipation5W ?TightVoltageTolerance5 ?ForotherVoltage,Power,orToleranceConsultFactory. ?TX,TXV,andS-LevelScreeningAvailable5/. ?Replacementfor1N4954–1N4996

SSDI

Solid States Devices, Inc

TEW4977

CEPT/T1Input/OutputTransformer

TEW4977&-1aredesignedandapprovedtobeusedasanInputtransformerwiththefollowingdevices. Typicalapplicationsare: ?PrimaryrateISDNnetworknodes. ?PBXorcomputertoT1/CEPTDigitaltrunks. ?HighspeeddatalinkusingT1/CEPTDigitaltrunk. ?TDMMultiplexers.

FILTRANFiltran LTD

費爾蘭特

技術(shù)參數(shù)

  • Marketing Status：

    NRND

  • Package：

    MW 15L

  • Grade：

    Industrial

  • Input Voltage_min(V)：

    15

  • Input Voltage_max(V)：

    50

  • Regulated Output Voltage_min(V)：

    5.1

  • Regulated Output Voltage_max(V)：

    40

  • Output Current-Max_nom(A)：

    7

  • Synchronous rectification：

    No

  • Quiescent current_typ(mA)：

    13

  • Regulator Switching frequency_typ(kHz)：

    200

  • Inhibit Pin：

    false

  • Soft-start：

    No

  • Oscillator Switching frequency_min(Internal)(kHz)：

    100

  • Oscillator Switching frequency_max(Internal)(kHz)：

    500

供應商型號品牌批號封裝庫存備注價格
ST(意法半導體)
24+
Multiwatt-15
924
特價優(yōu)勢庫存質(zhì)量保證穩(wěn)定供貨
 詢價
ST(意法半導體)
24+
Multiwatt-15
5080
百分百原裝正品,可原型號開票
 詢價
STM
09+
ZIP-15
1122
只售全新原裝貨實數(shù)現(xiàn)貨放心查詢
 詢價
STM
24+/25+
MULTIWATT-15(VERTICAL)
700
原裝正品現(xiàn)貨庫存價優(yōu)
 詢價
ST
2016+
ZIP-15
3000
只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
 詢價
ST
10+
ZIP-15
7800
全新原裝正品,現(xiàn)貨銷售
 詢價
ST
24+
NO
1005
詢價
st
23+
Multiwatt-15
26054
詢價
ST
23+
ZIP-15
3260
絕對全新原裝!優(yōu)勢供貨渠道!特價!請放心訂購!
 詢價
ST
24+
原廠原封
6523
進口原裝公司百分百現(xiàn)貨可出樣品
 詢價
更多L4977A供應商 更新時間2025-7-29 10:22:00

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