STMicroelectronics L4978

Switching Regulator, Voltage-mode, 3.5A, 300kHz Switching Freq-Max, BCDMOS, PDIP8
$ 2.17
Production
Manufacturer PageDatasheet

Price and Stock

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DistributorSKUMinPkg
Avnet
2
25M904251
8h
NewarkL497851
Arrow Electronics
2
L49781,3301
Verical
2
L49781,3304
DigiKey497-6701-5-ND2,1801Tube

Datasheets & Documents

Download datasheets and manufacturer documentation for STMicroelectronics L4978.

element14 APAC

Datasheet13 pages21 years ago

Newark

Farnell

RS (Formerly Allied Electronics)

iiiC

Inventory History

3 month trend:
-1.02%
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Supply Chain

Country of OriginMainland China
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-04
Lifecycle StatusProduction (Last Updated: 5 months ago)

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Descriptions

Descriptions of STMicroelectronics L4978 provided by its distributors.

Switching Regulator, Voltage-mode, 3.5A, 300kHz Switching Freq-Max, BCDMOS, PDIP8
IHS
PWR SPLY FUNC, REGULATOR, SWITCHING, DIP-8,VS 24V, IS 2.5MA, PD 1W, VO 3.36V, IIB 2UA
RS (Formerly Allied Electronics)
L4978 Tube Active Step-Down DC to DC switching regulator 580mV 6.6mm 2A 100kHz~300kHz
Fly-Wing Technology
2A Step down switching regulator
STMicroelectronics
STMICROELECTRONICS L4978 DC-DC Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 3.3V-50Vout, 2Aout, DIP-8
Jak Electronics
Buck No 100KHz~300KHz Adjustable 1 50V 3.3V 55V 8V DIP-8 3.32mm
Unikeyic (ICkey)
IC, BUCK REG, 4978, DIP8; Primary Input Voltage:24V; No. of Outputs:1; Output Current:2A; Voltage Regulator Case Style:DIP; No. of Pins:8; Operating Temperature Range:-40°C to +150°C; SVHC:No SVHC (19-Dec-2011); Accuracy %:1%; Adjustable Output Voltage Max:50V; Adjustable Output Voltage Min:3.3V; Base Number:4978; Dropout Voltage Vdo:0.58V; Frequency:300kHz; IC Generic Number:4978; Input Voltage Max:55V; Input Voltage Min:8V; Logic Function Number:4978; Operating Temperature Max:150°C; Operating Temperature Min:-40°C; Output Current Max:2A; Output Voltage Max:50V; Output Voltage Min:3.3V; Package / Case:DIP; Supply Voltage Max:55V; Supply Voltage Min:8V; Termination Type:Through Hole; Voltage Regulator Type:Switching, Step Down
element14 APAC

Images

Newark
Farnell
Distrelec
TME
Micros
RS (Formerly Allied Electronics)
LCSC
UTSource
DKO Electronshik
Conrad
Jameco
Future Electronics

Manufacturer Aliases

STMicroelectronics has several brands around the world that distributors may use as alternate names. STMicroelectronics may also be known as the following names:

  • ST MICRO
  • STM
  • SGS
  • SGS THOMSON
  • INMOS
  • STMICROE
  • STMICROEL
  • STMICR
  • ST MIC
  • ST MICROELECTRONIC
  • SGS THOMPSON
  • SESCOSEM
  • STMICROELECT
  • ST8
  • STMICROELECTRON
  • WAFERSCALE
  • SGS-ATES
  • ST MICROELECTRONICS SEMI
  • ST/SGS
  • ST MICROELECTRO
  • SGST
  • THOMS
  • STMICROELE
  • WAFERSCALE INTEGRATION INC
  • SGS-Thomson Microelectronics
  • ST Microeletronics