text.skipToContent text.skipToNavigation

Truck-Icon.svg Free shipping within the continental US over $50. Conditions apply

  1. home
  2. Semiconductors
  3. Analog
  4. Regulators & References
  5. Switching Regulators
  6. L4971D

STMicroelectronics | L4971D

Manufacturer Part #

L4971D

L4971 Series 55 V 1.5 A Down Switching Regulator Through Hole Step - SOIC-16W

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
Date Code: 2230
Product Specification Section
STMicroelectronics L4971D - Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 8V to 55V
Output Current-Max: 1.5A
Output Type: Adjustable
Switching Frequency-Max: 110kHz
Operating Temp Range: -40°C to +150°C
Duty Cycle-Max: 97%
Efficiency: 84%
No. of Outputs: 1
Quiescent Current: 3.5mA
Storage Temperature Range: -40°C to +150°C
Load Regulation: 6mV
Package Style:  SOIC-16W
Mounting Method: Surface Mount
Features & Applications

The L4971D is a step down monolithic power switching regulator delivering 1.5 A at a voltage between 3.3 V and 50 V.

A wide input voltage range between 8V to 55 V and output voltages regulated from 3.3 V to 50 V cover the majority of today’s applications.

Features:

  • Upto 1.5 A step-down converter
  • Operating input voltage from 8 V to 55 V
  • Output voltage from 3.3 V to 50 V
  • Voltage feedforward
  • Zero load current operation
  • Inhibit for zero current consumption
  • Protection against feedback disconnection
  • Switching frequency upto 300 KHz
  • Soft start
  • Thermal shutdown
Pricing Section
Global Stock:
662
USA:
662
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
16 Weeks
Minimum Order:
25
Multiple Of:
49
Total
$64.75
USD
Quantity
Unit Price
49
$2.59
147
$2.56
245
$2.54
735
$2.50
1,225+
$2.47
Product Variant Information section