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A5975AD

STMicroelectronics
Part Number A5975AD
Manufacturer STMicroelectronics
Description Up to 2.5A step-down switching regulator
Published Jun 26, 2023
Detailed Description A5975AD Up to 2.5 A step-down switching regulator for automotive applications Datasheet - production data  Protection...
Datasheet PDF File A5975AD PDF File

A5975AD
A5975AD

Overview
A5975AD Up to 2.
5 A step-down switching regulator for automotive applications Datasheet - production data  Protection against feedback disconnection  Thermal shutdown +623H[SRVHGSDG Features  Qualified following the AEC-Q100 requirements (see PPAP for more details)  2.
5 A DC output current  Operating input voltage from 4 V to 36 V  3.
3 V / (±2%) reference voltage  Output voltage adjustable from 1.
235 V to 35 V  Low dropout operation: 100% duty cycle  500 kHz internally fixed frequency  Voltage feed-forward  Zero load current operation  Internal current limiting  Inhibit for zero current consumption  Synchronization Application  Dedicated to automotive applications Description The A5975AD is a step-down monolithic power switching regulator with a minimum switch current limit of 3.
1 A, it is therefore able to deliver up to 2.
5 A DC current to the load depending on the application conditions.
The output voltage can be set from 1.
235 V to 35 V.
The high current level is also achieved thanks to a HSOP8 package with exposed frame, that allows to reduce the RTHJ-A down to approximately 40 °C/W.
The device uses an internal P-channel DMOS transistor (with a typical RDS(on) of 250 m) as switching element to minimize the size of the external components.
An internal oscillator fixes the switching frequency at 500 kHz.
Having a minimum input voltage of only 4 V, it fits automotive applications requiring device operation even in cold crank conditions.
Pulse-by-pulse current limit with the internal frequency modulation offers an effective constant current short-circuit protection.
Figure 1.
Application schematic 9,1 9729 73 & X) 9 73 *1' 8  9&& 9287   95()  6<1& $$'  &203 ,1+ (;3$ ' )%  *1' / X+ 73 9287 5 .
& Q) 9 5    .
& S & Q) 6736/8 ' 5 .
& X) VPDOOVLJQDO SRZHUSODQH 73 *1' $0Y March 2021 This is information on a product in full production.
DocID018761 R...


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