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STMicroelectronics | L4978

Manufacturer Part #

L4978

PDIP 08 .3 CU .25 AU W.

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
Date Code:
Product Specification Section
STMicroelectronics L4978 - Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 55V
Output Current-Max: 220µA
Output Voltage Range: 3.3V to 50V
Output Type: Adjustable
Switching Frequency-Max: 300kHz
Operating Temp Range: -40°C to +150°C
Duty Cycle-Max: 97%
Efficiency: 87%
No. of Outputs: 1
Quiescent Current: 3.5mA
Storage Temperature Range: -40°C to +150°C
Load Regulation: 0mV
Package Style:  DIP-8
Mounting Method: Through Hole
Features & Applications

The L4978 is a step down monolithic power switching regulator delivering 2 A at a voltage between 3.3 V and 50 V. Available in a DIP-8 package.

Features:

  • Upto 2 A stepdown converter
  • Operating input voltage from 8 V to 55 V
  • Precise 3.3 V(±1 %) internal reference voltage
  • Output voltage adjustable from 3.3 V to 50 V
  • Switching frequency upto 300 KHz
  • Voltage feedforward
  • Zero load current operation
  • Inhibit for zero current consumption
  • Thermal shutdown
  • Soft start function
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
-1
Factory Lead Time:
30 Weeks
Minimum Order:
500
Multiple Of:
50
Total
$1,095.00
USD
Quantity
Unit Price
10
$2.28
30
$2.25
100
$2.22
300
$2.19
1,000+
$2.13
Product Variant Information section