공급망
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)
관련 부품
Analog DevicesMAX1771CPA+
MAX1771 Boost Buck-Boost Tube e3 DC to DC switching controller 5muA 2A 4.45mm 100V
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MAX756 Tube Matte Tin (Sn) Active DC to DC switching regulator 5V 7.87mm 200mA 500kHz
설명
유통업체에서 제공한 STMicroelectronics L4978에 대한 설명입니다.
Switching Regulator, Voltage-mode, 3.5A, 300kHz Switching Freq-Max, BCDMOS, PDIP8
PWR SPLY FUNC, REGULATOR, SWITCHING, DIP-8,VS 24V, IS 2.5MA, PD 1W, VO 3.36V, IIB 2UA
L4978 Tube Active Step-Down DC to DC switching regulator 580mV 6.6mm 2A 100kHz~300kHz
2A Step down switching regulator
STMICROELECTRONICS L4978 DC-DC Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 3.3V-50Vout, 2Aout, DIP-8
Buck No 100KHz~300KHz Adjustable 1 50V 3.3V 55V 8V DIP-8 3.32mm
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
제조업체 별칭
STMicroelectronics에는 유통업체가 대체하여 사용할 수 있는 전 세계 여러 브랜드가 있습니다. STMicroelectronics는 다음 이름으로도 알려져 있습니다:
- 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
기술 사양
Physical
Case/PackageDIP
Contact PlatingTin
MountThrough Hole
Number of Pins8
Number of Terminals8
Technical
Dropout Voltage580 mV
Efficiency87 %
Frequency300 kHz
Max Input Voltage55 V
Max Operating Temperature150 °C
Max Output Current3.5 A
Max Output Voltage50 V
Max Supply Current6 mA
Max Switching Frequency300 kHz
Min Input Voltage8 V
Min Operating Temperature-40 °C
Min Output Voltage3.3 V
Nominal Input Voltage24 V
Nominal Output Voltage3.36 V
Number of Channels1
Number of Circuits1
Number of Outputs1
Operating Supply Voltage55 V
Output ConfigurationPositive
Output Current2 A
Output TypeAdjustable
Output Voltage50 V
PackagingCut Tape
Quiescent Current2.7 mA
Schedule B8542390000
Switching Frequency300 kHz
Synchronous RectifierNo
TopologyBuck
Dimensions
Height3.32 mm
Height - Seated (Max)5.08 mm
Length10.3 mm
Terminal Pitch2.54 mm
Width7.62 mm