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Description
Power Switching Regulator
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● 10A OUTPUT CURRENT
● 5.1V TO 40V OUTPUT VOLTAGE RANGE
● 0 To 90% DUTY CYCLE RANGE
● INTERNAL FEED-FORWARD LINE REGULATION
● INTERNAL CURRENT LIMITING
● PRECISE 5.1V ±2% ON CHIP REFERENCE
● RESETAND POWERFAIL 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 500KHz
● THERMAL SHUTDOWN
● CONTINUOUS MODE OPERATION
DESCRIPTION
The L4970A is a stepdown monolithic power switching regulator delivering 10A at a voltage variable from5.1 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.
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
James Wright
Length of registration:7 years
I recently purchased the integrated circuit L4970A from Utsource and I am very pleased with the quality of the product. The circuit was tested thoroughly and worked perfectly. The instructions were clear and easy to follow. The delivery was fast and the packaging was secure. I would definitely recommend Utsource for any integrated circuit needs.
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03/17/2023
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All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
L4970A
L4970A has several brands around the world that may have alternate names for L4970A due to regional differences or acquisition. L4970A may also be known as the following names:
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Stock Status: 10000
Minimum: 2
Total Price:
Unit Price:2.79400
UTSOURCE
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United States
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Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company
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