
For Reference Only
Part Number | L4971 |
OEMstron Part # | L4971 |
Manufacturer | STMicroelectronics |
Category | Semiconductors › Power Management ICs › Voltage Regulators - DC DC Switching Regulators |
Description | IC REG BUCK ADJUSTABLE 1.5A 8DIP |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | L4971 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 15 - Mar 20 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
L4971 Specifications
Part Number | L4971 | |
Brand | STMicroelectronics | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Power Management ICs | |
Subcategory | Voltage Regulators - DC DC Switching Regulators | |
Manufacturer | STMicroelectronics | |
Series | - | |
Function | Step-Down | |
Output Configuration | Positive | |
Topology | Buck | |
Output Type | Adjustable | |
Number of Outputs | 1 | |
Voltage - Input (Min) | 8V | |
Voltage - Input (Max) | 55V | |
Voltage - Output (Min/Fixed) | 3.3V | |
Voltage - Output (Max) | 50V | |
Current - Output | 1.5A | |
Frequency - Switching | 100kHz ~ 300kHz | |
Synchronous Rectifier | No | |
Operating Temperature | -40°C ~ 150°C (TJ) | |
Mounting Type | Through Hole | |
Package / Case | 8-DIP (0.300", 7.62mm) | |
Supplier Device Package | 8-DIP |
L4971 Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
L4971D D# E02:0323_00208429 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W Tube RoHS: Compliant
|
Europe - 608 |
L4971D013TR D# V72:2272_17706476 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W T/R RoHS: Compliant
|
Americas - 15 |
L4971 D# E02:0323_00208428 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 8-Pin PDIP Tube RoHS: Compliant
|
Europe - 10630 |
Part Number | Description | Stock |
L4971D D# L4971D STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W Tube - Rail/Tube (Alt: L4971D) |
Americas - 0 |
EVAL4971 D# EVAL4971 STMicroelectronics |
Evaluation Board For Designing With L4971, 1.5A High Efficiency DC-DC Converter (Alt: EVAL4971) RoHS: Not Compliant
|
Americas - 0 |
L4971D013TR D# L4971D013TR STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R - Tape and Reel (Alt: L4971D013TR) |
Americas - 0 |
L4971 D# L4971 STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube - Rail/Tube (Alt: L4971) |
Americas - 0 |
E-L4971D D# E-L4971D STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W Tube - Rail/Tube (Alt: E-L4971D) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
L4971D013TR D# L4971D013TR STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R (Alt: L4971D013TR) |
Asia - 0 |
Part Number | Description | Stock |
L4971D D# L4971D STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W Tube (Alt: L4971D) |
Europe - 2669 |
L4971D013TR D# L4971D013TR STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R (Alt: L4971D013TR) |
Europe - 1000 |
L4971 D# L4971 STMicroelectronics |
Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube (Alt: L4971) |
Europe - 5500 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
14 |
Part Number | Description | Stock |
L4971 D# 41S1018 STMicroelectronics |
I.C. L4971 |
132 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
BUCK, 8-55V, 1.5A, 300KHZ, 3.3-50V, 16SO |
4000 |
EVAL4971 STMicroelectronics |
Evaluation Board For Designing With L4971, 1.5A High Efficiency DC-DC Converter |
25 |
L4971D013TR STMicroelectronics |
BUCK, 8-55V, 1.5A, 300KHZ, 3.3-50V, 16SO |
4000 |
L4971 STMicroelectronics |
Min Qty 52 |
1850 |
E-L4971D013TR STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
Contact Us |
E-L4971D STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
Contact Us |
Part Number | Description | Stock |
L4971D D# C1S730200488686 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W Tube RoHS: Compliant
pbFree: Yes
Min Qty: 1
Container: Tube
|
1730 |
Part Number | Description | Stock |
L4971 STMicroelectronics |
55V 1.5A DIP-8 DC-DC Converters RoHS |
754 |
Part Number | Description | Stock |
L4971D013TR STMicroelectronics |
RoHS: Compliant
|
Europe - 255 |
L4971 STMicroelectronics |
RoHS: Compliant
|
Europe - 50 |
Part Number | Description | Stock |
L4971D D# 497-3357-5-ND STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
152 In Stock |
INT0000001L4971 D# 2156-INT0000001L4971-ND Rochester Electronics LLC |
INT0000001L4971 |
Temporarily Out of Stock |
EVAL4971 D# 497-4744-ND STMicroelectronics |
BOARD EVAL FOR L4971/L4978 REG |
Limited Supply - Call |
L4971D013TR D# 497-3357-1-ND STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
1820 In Stock |
L4971 D# 497-6697-5-ND STMicroelectronics |
IC REG BUCK ADJUSTABLE 1.5A 8DIP |
1792 In Stock |
E-L4971D013TR D# 497-4557-2-ND STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
Limited Supply - Call |
E-L4971D D# 497-4556-5-ND STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
Limited Supply - Call |
83008 0051000 D# BEL4971-1000-ND Belden Inc |
HOOK-UP STRND 20AWG GREEN 1000' |
Temporarily Out of Stock |
STEVAL-ISA202V1 D# 497-17685-ND STMicroelectronics |
EVAL BOARD FOR L4971 |
12 In Stock |
Part Number | Description | Stock |
L4971D STMicroelectronics |
In stock shipping within 2days |
150 |
L4971D013TR STMicroelectronics |
In stock shipping within 2days |
9260 |
L4971 STMicroelectronics |
In stock shipping within 2days |
51308 |
L4971 DIP - |
In stock shipping within 2days |
120 |
Part Number | Description | Stock |
L4971D D# 1077137 STMicroelectronics |
SWITCHING REG, SMD, 4971, SOIC16 RoHS: Compliant
Min Qty: 1
Container: Each
|
1017 |
L4971D013TR D# 2473954 STMicroelectronics |
IC, SWITCHING REG, BUCK, ADJ, SOIC-16 RoHS: Compliant
Min Qty: 1000
Container: Reel
|
0 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
L4971 Series 55 V 1.5 A Down Switching Regulator Through Hole Step - SOIC-16W RoHS: Compliant
pbFree: Yes
|
668 Tube |
L4971D013TR STMicroelectronics |
L4971 Series 55 V 300 uA 110 kHz Buck SMT Switching Regulator - SOIC-16 RoHS: Compliant
pbFree: Yes
|
0 Reel |
Part Number | Description | Stock |
EL4971 STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
1725 |
2L4971D STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
1920 |
ICL4971D STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
135 |
EL4971D013TR ST MICROELECTRONICS SEMI |
OEM/CM QUOTES ONLY | NO BROKERS |
186 |
L4971D STMICROELECTRONICS |
OEM/CM QUOTES ONLY | NO BROKERS |
5810 |
L4971R N/A |
OEM/CM QUOTES ONLY | NO BROKERS |
42 |
MALL4971 STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
93 |
INT0000001L4971 Rochester Electronics LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
1627 |
L4971D013TR STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
32343 |
L4971 STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
37352 |
L4971D013TR14 STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
861 |
EL4971DLF STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
564 |
L4971DO13TR STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
684 |
L4971B12B STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
12 |
L49710MA N.S |
OEM/CM QUOTES ONLY | NO BROKERS |
93 |
Part Number | Description | Stock |
TL49713NS1 Texas Instruments |
OEM/CM ONLY |
500 |
L4971D Analog Devices Inc |
OEM/CM ONLY |
700 |
L4971D013TR Texas Instruments |
OEM/CM ONLY |
134 |
Part Number | Description | Stock |
L4971 STMicroelectronics |
L4971 |
2000 |
Part Number | Description | Stock |
L4971 ST Mictoelectronics |
Switching Regulator, Voltage-mode, 3A, 300kHz Switching Freq-Max, BCDMOS, PDIP8 |
242 |
Part Number | Description | Stock |
L4971 D# C361017 STMicroelectronics |
754 |
Part Number | Description | Stock |
L4971 STMicroelectronics |
in stock - can ship the same day |
2 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
OEM/CM Immediate delivery |
30000 |
L4971D013TR STMicroelectronics |
OEM/CM Immediate delivery |
30000 |
L4971 STMicroelectronics |
OEM/CM Immediate delivery |
50783 |
L49710MA National Semiconductor Corporation |
OEM/CM Immediate delivery |
65 |
Part Number | Description | Stock |
L4971D D# 511-L4971D STMicroelectronics |
Switching Voltage Regulators 3.3 to 50V Step-Down RoHS: Compliant
|
1595 |
L4971D013TR D# 511-L4971D013TR STMicroelectronics |
Switching Voltage Regulators 3.3 to 50V Step-Down RoHS: Compliant
|
98 |
L4971 D# 511-L4971 STMicroelectronics |
Switching Voltage Regulators 3.3 to 50V Step-Down RoHS: Compliant
|
3399 |
Part Number | Description | Stock |
L4971D D# XSFP00000051552 STMicroelectronics |
L4971 Series 55 V 1.5 A Down Switching Regulator Through Hole Step - SOIC-16W |
557 |
L4971D013TR D# XSKDRABV0055821 STMicroelectronics |
1000 | |
L4971 D# XSFP00000086473 STMicroelectronics |
L4971 Series 55 V 1.5 A Step Down Switching Regulator Through Hole - DIP-8 |
2300 |
Part Number | Description | Stock |
L4971D D# 25M9041 STMicroelectronics |
DC-DC Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 3.3V-50Vout, 1.5Aout, SOIC-16 RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
1017 |
L4971D013TR D# 07AH6677 STMicroelectronics |
DC/DC CONV, BUCK, 300KHZ, 150DEG C, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:55V, No. of Outputs:1Outputs, DC / DC Converter IC Case:WSOIC, No. of Pins:16Pins, Output Current:1.5A, Output Voltage Min:3.3mV, RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
0 |
L4971 D# 79AH3804 STMicroelectronics |
BUCK REGULATORS RoHS: Not Compliant
Min Qty: 2000
Container: Bulk
|
0 |
Part Number | Description | Stock |
L4971D D# NS-L4971D STMicroelectronics |
OEM/CM ONLY |
7238 |
ML4971 D# NS-ML4971 VARIOUS |
OEM/CM ONLY |
2326 |
L4971D013TR D# NS-L4971D013TR STMicroelectronics |
OEM/CM ONLY |
1783 |
E-L4971D013TR D# NS-E-L4971D013TR STMicroelectronics |
OEM/CM ONLY |
2767 |
E-L4971D D# NS-E-L4971D STMicroelectronics |
OEM/CM ONLY |
3899 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
Swithed-Mode Power Supply Controller, Voltage Mode Type, 16 Pin, Plastic, SOP |
75 |
L4971 STMicroelectronics |
Swithed-Mode Power Supply Controller, Voltage Mode Type, 8 Pin, Plastic, DIP |
25 |
Part Number | Description | Stock |
L4971D D# L4971D STMicroelectronics |
Semiconductor |
89 |
Part Number | Description | Stock |
L4971D D# 6868271P STMicroelectronics |
STMicroelectronics, L4971D Step-Down Switching Regulator, 1-Channel 1.5A Adjustable 16-Pin, SOIC W, TU Min Qty: 1
Container: Tube
|
149 |
L4971 D# 7147743 STMicroelectronics |
STMicroelectronics L4971, 1-Channel, Step Down DC-DC Converter, Adjustable 8-Pin, PDIP, EA Min Qty: 1
Container: Bulk
|
64 |
Part Number | Description | Stock |
TL49713NS1 TFK |
OEM/CM ONLY |
416 |
2L4971D STMicroelectronics |
OEM/CM ONLY |
1515 |
ICL4971D STMicroelectronics |
OEM/CM ONLY |
132 |
EL4971D013TR STMicroelectronics |
OEM/CM ONLY |
178 |
L4971D STMicroelectronics |
OEM/CM ONLY |
2565 |
L4971R N/A |
OEM/CM ONLY |
47 |
MALL4971 STMicroelectronics |
OEM/CM ONLY |
96 |
L4971D013TR STMicroelectronics |
OEM/CM ONLY |
7577 |
L4971 STMicroelectronics |
OEM/CM ONLY |
14966 |
L4971D013TR14 STMicroelectronics |
OEM/CM ONLY |
758 |
L4971DO13TR STMicroelectronics |
OEM/CM ONLY |
606 |
L49710MA N.S |
OEM/CM ONLY |
96 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
IN stock Immediate delivery |
29985 |
L4971D013TR STMicroelectronics |
IN stock Immediate delivery |
29985 |
L4971 STMicroelectronics |
IN stock Immediate delivery |
50768 |
L49710MA National Semiconductor Corporation |
IN stock Immediate delivery |
60 |
Part Number | Description | Stock |
ELVP02100 Amphenol Corporation |
Pluggable Terminal Blocks PLUG pbFree: Pb-Free
|
Americas - 2080 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
shipping today |
262 |
L4971D013TR STMicroelectronics |
shipping today |
7988 |
L4971 STMicroelectronics |
shipping today |
8996 |
L49710MA National Semiconductor Corporation |
shipping today |
81 |
Part Number | Description | Stock |
L4971D D# 30597036 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W Tube RoHS: Compliant
|
Americas - 1730 |
L4971D013TR D# 31606246 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W T/R RoHS: Compliant
|
Americas - 15 |
L4971 D# 52750384 STMicroelectronics |
Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 8-Pin PDIP Tube RoHS: Compliant
|
Americas - 10630 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
RFQ |
6147 |
L4971D013TR STMicroelectronics |
RFQ |
2728 |
L4971 STMicroelectronics |
RFQ |
8520 |
E-L4971D STMicroelectronics |
RFQ |
11359 |
Part Number | Description | Stock |
L4971D STMicroelectronics |
IC REG BUCK ADJ 1.5A 16SOIC |
2500 |
L4971 STMicroelectronics |
IC REG BUCK ADJ 1.5A 8DIP |
20266 |
Part Number | Description | Stock |
L4971D D# 1077137 STMicroelectronics |
SWITCHING REG, SMD, 4971, SOIC16 RoHS: Compliant
Min Qty: 1
Container: Each
|
1017 |
L4971D013TR D# 3129849 STMicroelectronics |
DC/DC CONV, BUCK, 300KHZ, 150DEG C RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
0 |
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Quick Inquiry
In Stock | 500 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 3.8707 | $ 3.8707 |
100 | $ 3.8707 | $ 387.0700 |
500 | $ 3.8707 | $ 1,935.3500 |
1000 | $ 3.8707 | $ 3,870.7000 |
2500 | $ 3.8707 | $ 9,676.7500 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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