STMicroelectronics L4971D
$ 2.81
Production
Inventory History
3 month trend: -4.86%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Datasheets & Documents
Download datasheets and manufacturer documentation for STMicroelectronics L4971D.
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 2.81
$ 2.07
Stock
319,535
439,724
Authorized Distributors
6
6
Case/Package
SOP
SOP
Number of Pins
16
16
Number of Outputs
1
1
Max Output Current
3 A
3 A
Switching Frequency
300 kHz
300 kHz
Min Input Voltage
8 V
8 V
Max Input Voltage
55 V
55 V
Min Output Voltage
3.3 V
3.3 V
Max Output Voltage
50 V
50 V
Efficiency
85 %
85 %
Synchronous Rectifier
No
No
Supply Chain
Country of OriginMalaysia
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-04
Lifecycle StatusProduction (Last Updated: 9 months ago)
Descriptions
Descriptions of STMicroelectronics L4971D provided by its distributors.
L4971 Series 55 V 1.5 A Down Switching Regulator Through Hole Step - SOIC-16W
DC/DC Switching Regulator, Adjustable, Buck (Step Down), Single Output, 3.3 V to 50 V, 1.5 A
Switching Regulator, Voltage-mode, 3A, 300kHz Switching Freq-Max, BCDMOS, PDSO16
PWR SPLY FUNC, REGULATOR, SWITCHING, SO-16W, PD 0.8W, VO 3.36V, REGLINE 3MV, IIB 2UA
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W Tube
Switching Reg, Smd, 4971, Soic16; |Stmicroelectronics L4971D
STMicroelectronics Buck converter chip, maximum output50 V 1.5A, maximum input55 V, Adjustable output
SWITCHING REG, SMD, 4971, SOIC16; Topology: Buck (Step Down); Input Voltage Min: 8V; Input Voltage Max: 55V; No. of Outputs: 1Outputs; DC / DC Converter IC Case: SOIC; No. of Pins: 16Pins; Output Current: 1.5A; Output Voltage M
Topology = Step-Down / Outputs = 1 / Output Voltage Min. V = 3.3 / Output Voltage Max. V = 50 / Output Current A = 1.5 / Switching Frequency kHz = 100 / Supply Voltage Min. V = 8 / Supply Voltage Max. V = 55 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 150 / Package Type = SO-16 / Pins = 16 / Mounting Type = SMD / Packaging = Tube / Length mm = 10.5 / Width mm = 10.65 / Height mm = 2.65
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
Inventory History
3 month trend: -4.86%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOP
MountSurface Mount
Number of Pins16
Number of Terminals16
Technical
Dropout Voltage440 mV
Efficiency85 %
Frequency100 kHz
Max Input Voltage55 V
Max Operating Temperature150 °C
Max Output Current3 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 Voltage3.3 V
Number of Channels1
Number of Circuits1
Number of Outputs1
Output Current1.5 A
Output TypeAdjustable
Output Voltage50 V
PackagingCut Tape
Quiescent Current2.7 mA
Switching Frequency300 kHz
Synchronous RectifierNo
TopologyBuck
Dimensions
Height2.35 mm
Height - Seated (Max)2.65 mm
Length10.3 mm
Terminal Pitch1.27 mm
Width7.5 mm
Datasheets & Documents
Download datasheets and manufacturer documentation for STMicroelectronics L4971D.
Compliance
Environmental Classification
China RoHSCompliant
Radiation HardeningNo
REACH SVHCUnaffected
RoHSCompliant