A6986 datasheet(1/67 Pages) STMICROELECTRONICS

부품명	A6986

상세설명	38 V, 2 A synchronous step-down switching regulator with 30 µA quiescent current

PDF	67 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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1 / 67 page

This is information on a product in full production.

November 2015

DocID026211 Rev 6

1/67

A6986

38 V, 2 A synchronous step-down switching regulator with 30 µA

quiescent current

Datasheet

- production data

Features

 AECQ100 qualification

 2 A DC output current

 4 V to 38 V operating input voltage

 Low consumption mode or low noise mode

 30

µA IQ at light-load (LCM VOUT = 3.3 V)

 8

µA IQ-SHTDWN

 Adjustable fSW (250 kHz - 2 MHz)

 Output voltage adjustable from 0.85 V to VIN

 Embedded output voltage supervisor

 Synchronization

 Adjustable soft-start time

 Internal current limiting

 Overvoltage protection

 Output voltage sequencing

 Peak current mode architecture

 RDSON HS = 180 m, RDSON LS = 150 m

 Thermal shutdown

Applications

 Designed for automotive systems

 Battery powered applications

 Car body applications (LCM)

 Car audio and low noise applications (LNM)

Description

The A6986 device is a step-down monolithic

switching regulator able to deliver up to 2 A DC.

The output voltage adjustability ranges from

0.85 V to VIN. The 100% duty cycle capability to

withstand the cold crank event and the wide input

voltage range make the A6986 device ideal for

battery powered automotive systems. The “Low

Consumption Mode” (LCM) is designed for

applications active during car parking, so it

maximizes the efficiency at the light-load with the

controlled output voltage ripple. The “Low Noise

Mode” (LNM) makes the switching frequency

constant and minimizes the output voltage ripple

overload current range, meeting the low noise

application specification like car audio. The output

voltage supervisor manages the reset phase for

any digital load (

µC, FPGA). The RST open

collector output can also implement output

voltage sequencing during the power-up phase.

The synchronous rectification, designed for high

efficiency at the medium - heavy load, and the

high switching frequency capability makes the

size of the application compact. Pulse-by-pulse

current sensing on both power elements

implements effective constant current protection.

HTSSOP16 (RTH = 40 °C/W)

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유사한 부품 번호 - A6986

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STMicroelectronics	A6986F	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator 15-Apr-2015
	A6986F3V3	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator 15-Apr-2015
	A6986F3V3TR	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator 15-Apr-2015
	A6986F5V	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator 15-Apr-2015
	A6986F5VTR	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator 15-Apr-2015

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유사한 설명 - A6986

제조업체	부품명	데이터시트	상세설명
STMicroelectronics	A6986F	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator 15-Apr-2015
	R6986	2Mb / 62P	38 V, 2 A synchronous step-down switching regulator 13-May-2015
	L6986	5Mb / 68P	38 V, 2 A synchronous step-down switching regulator with 30 A quiescent current 16-Aug-2016
	L6983	4Mb / 63P	38 V, 3 A synchronous step-down converter with 17 μA quiescent current Rev 1 - October 2019
	A6986H	17Mb / 71P	Automotive 38 V, 2 A synchronous step-down switching regulator with 30 μA Rev 3 - August 2020
	L6983	4Mb / 63P	38 V, 3 A synchronous step-down converter with 17 μA quiescent current Apr-2020
	L6986H	17Mb / 68P	38 V, 2 A synchronous step-down switching regulator with 30 μA quiescent current Feb-2020
	L7983	1Mb / 43P	60 V, 300 mA synchronous step-down switching regulator with 10 μA quiescent current Rev 1 - October 2020
	L6981	3Mb / 49P	38 V, 1.5 A synchronous step-down converter with low quiescent current 15-Jan-2020
	L6982	2Mb / 48P	38 V, 2 A synchronous step-down converter with low quiescent current Rev 1

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