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Manufacturer Part #

L4970A

L4970 Series 10 A Step Down Monolithic Power Switching Regulator - MULTIWATT-15

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
Date Code: 1918
Product Specification Section
Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 15V to 50V
Output Current-Max: 10A
Output Voltage Range: 5.1V to 40V
Output Type: Adjustable
Switching Frequency-Max: 500kHz
Operating Temp Range: -40°C to +150°C
Duty Cycle-Max: 90%
Efficiency: 92%
No. of Outputs: 1
Quiescent Current: 19mA
Storage Temperature Range: -40°C to +150°C
Load Regulation: 50mV
Package Style:  MULTIWATT-15
Mounting Method: Flange Mount
Features & Applications

The L4970A is a stepdown monolithic power switching regulator delivering 10A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times.

Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation, soft start, limiting current and thermal protection. The device is mounted in a 15-lead multiwatt plastic power package and requires few external components. Efficient operation at switching frequencies up to 500KHz allows reduction in the size and cost of external filter components.

Features:

  • 10 A Output Current
  • 5.1 V to 40 V Output Voltage Range
  • 0 TO 90% Duty Cycle Range
  • Internal Feed-Forward line Regulation
  • Internal current limiting
  • Precise 5.1 V ± 2% on chip Reference
  • Reset and power fail functions
  • Soft start
  • Input/output sync pin
  • Under voltage lock out with hysteretic
  • Turn-on
  • PWM Latch for single pulse per period
  • Very High Efficiency
  • Switching frequency up to 500 khz
  • Thermal Shutdown
  • Contineous mode operation
Pricing Section
Global Stock:
7
USA:
7
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
N/A
Minimum Order:
1
Multiple Of:
1
Total
$12.89
USD
Quantity
Web Price
1
$12.89
10
$11.78
30
$11.28
125
$10.67
300+
$10.31
Product Variant Information section