A5973ADTR - ST Microelectronics

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

Part No

A5973ADTR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW38985100
Category

Voltage Regulator
Package

HSOP-8
Description

Conv DC-DC Single Step Down 4V to 36V 8Pin HSOP EP T/R
Documentation

Datasheet

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A5973ADTR Specifications

Attribute	Attribute Value

Part Number	A5973ADTR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW38985100
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	HSOP-8
Number of Outputs	1 Output
Output Voltage	1.235V ~ 36V
Output Current	1.5 A
Number of Positions	8 Position
Switching Frequency	500 kHz
Input Voltage (Max)	36 V
Input Voltage (Min)	4 V
Output Voltage (Max)	36 V
Output Voltage (Min)	1.235 V
Operating Temperature (Max)	150 ℃
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Operating Temperature	-40℃ ~ 150℃ (TJ)
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 A5973ADTR is a step-down monolithic Power Switching Regulator with a minimum switch current limit of 1.8A, so it is able to deliver up to 1.5A DC current to the load depending on the application conditions. The output voltage can be set from 1.235V to VIN. The device uses an internal P-channel DMOS transistor (with a typical RDS(on)of 250mR) as a switching element to minimize the size of the external components. An internal oscillator fixes the switching frequency at 500kHz. Having a minimum input voltage of 4V only it fits the automotive applications requiring the device operation even in cold crank conditions. A pulse-by-pulse current limit with the internal frequency modulation offers an effective constant current short-circuit protection.
Voltage feed-forward
Zero load current operation
Internal current limiting
Inhibit for zero current consumption
Synchronization
Protection against feedback disconnection
Thermal shutdown
Low dropout operation - 100% duty cycle
3.3V (±2%) Reference voltage

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