A7985ATR datasheet(1/44 Pages) STMICROELECTRONICS

Part #	A7985ATR

Description	2 A step-down switching regulator for automotive applications

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

1 / 44 page

This is information on a product in full production.

March 2014

DocID023128 Rev 5

1/44

A7985A

2 A step-down switching regulator for automotive applications

Datasheet

- production data

Features

 2 A DC output current

 Qualified following AEC-Q100 requirements

(see PPAP for more details)

 4.5 V to 38 V input voltage

 Output voltage adjustable from 0.6 V

 250 kHz switching frequency, programmable

up to 1 MHz

 Internal soft-start and enable

 Low dropout operation: 100% duty cycle

 Voltage feed-forward

 Zero load current operation

 Overcurrent and thermal protection

 HSOP8 package

Applications

 Dedicated to automotive applications

 Automotive LED driving

Description

The A7985A is a step-down switching regulator

with a 2.5 A (minimum) current limited embedded

Power MOSFET, so it is able to deliver up to 2 A

current to the load depending on the application

conditions.

The input voltage can range from 4.5 V to 38 V,

while the output voltage can be set starting from

0.6 V to VIN.

Requiring a minimum set of external components,

the device includes an internal 250 kHz switching

frequency oscillator that can be externally

adjusted up to 1 MHz.

The HSOP8 package with exposed pad allows

the reduction of Rth(JA) down to 40 °C/W.

Figure 1. Application circuit

HSOP8 exposed pad

www.st.com

Similar Part No. - A7985ATR

Manufacturer	Part #	Datasheet	Description
List of Unclassifed Man...	A798	192Kb / 3P	TRANSISTOR
STMicroelectronics	A7986A	1Mb / 42P	3 A step-down switching regulator for automotive applications 12-Aug-2013
	A7986ATR	1Mb / 42P	3 A step-down switching regulator for automotive applications 12-Aug-2013
	A7987	2Mb / 36P	61 V, 3 A asynchronous step-down switching regulator with adjustable current limitation for automotive 22-Sep-2020
	A7987TR	2Mb / 36P	61 V, 3 A asynchronous step-down switching regulator with adjustable current limitation for automotive 22-Sep-2020

More results

Similar Description - A7985ATR

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	B5973D	781Kb / 12P	2 A step down switching regulator for automotive applications 14-Jan-2008
	A5973AD	1Mb / 19P	Up to 1.5 A step down switching regulator for automotive applications 02-May-2008
	A5973D	787Kb / 12P	Up to 2 A step down switching regulator for automotive applications 02-May-2008
	A5970D	716Kb / 13P	Up to 1 A step down switching regulator for automotive applications 27-Aug-2008
	A5972D_0808	641Kb / 11P	Up to 1.5 A step down switching regulator for automotive applications 27-Aug-2008
	A5973AD_0808	1Mb / 19P	Up to 1.5 A step down switching regulator for automotive applications 27-Aug-2008
	A5973D_0808	779Kb / 12P	Up to 2 A step down switching regulator for automotive applications 29-Aug-2008
	B5973D_0808	768Kb / 12P	2 A step down switching regulator for automotive applications 27-Aug-2008
	A5970D013TR	1Mb / 41P	Up to 1 A step down switching regulator for automotive applications 03-Nov-2009
	A7986A	1Mb / 42P	3 A step-down switching regulator for automotive applications 12-Aug-2013

More results

A7985ATR Datasheet(PDF) 1 Page - STMicroelectronics

A7985ATR Datasheet(HTML) 1 Page - STMicroelectronics

Similar Part No. - A7985ATR

Similar Description - A7985ATR

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44

Datasheet Download

Link URL