L4975A - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

L4975A
Manufacturer

ST Microelectronics
ChipWorker Part#

CW9543796
Category

DC to DC Converter
Package

Multiwatt-15
Description

Conv DC-DC 15V to 50V Step Down Single-Out 5.1V to 40V 5A 15Pin(15+Tab) MULTIWATT V Tube
Documentation

Datasheet

L4975A Global Supplier

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L4975A Specifications

Attribute	Attribute Value

Part Number	L4975A
Manufacturer	ST Microelectronics
ChipWorker Part#	CW9543796
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	15 Pin
Case/Package	Multiwatt-15
Frequency	500 kHz
Supply Voltage (DC)	50.0V (max)
Operating Voltage	15V ~ 50V
Number of Outputs	1 Output
Input Voltage (DC)	50.0 V
Output Voltage	5.1V ~ 40V
Output Current	5 A
Number of Channels	1 Channel
Number of Positions	15 Position
voltage rating	0.55 V
Output Power	30 W
Switching Frequency	500 kHz
Topology	Buck
Input Voltage (Max)	50 V
Input Voltage (Min)	15 V
Output Voltage (Max)	40 V
Output Voltage (Min)	5.1 V
Output Current (Max)	5 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	15 V
Supply Voltage (Max)	50 V
Supply Voltage (Min)	15 V
Input Voltage	15V ~ 50V
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Size-Length	19.6 mm
Size-Width	5 mm
Size-Height	10.7 mm
Operating Temperature	0℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The L4975A is a step-down monolithic DC-DC Power Switching Regulator delivering 5A at a voltage variable from 5.1 to 40V. It is realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. It requires few external components. An efficient operation at switching frequencies up to 500kHz allows reduction in the size of external filter components.
Internal feed-forward line reg
Internal current limiting
Reset and power fail functions
Input/output sync pin
Under-voltage lock out with hysteretic turn-ON
PWM latch for single pulse per period
Very high efficiency
Thermal shutdown
Continuous mode operation

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