ALED6000 datasheet(4/45 Pages) STMICROELECTRONICS

部件名	ALED6000

功能描述	Automotive 3 A single channel LED driver with integrated DC-DC converter

PDF	45 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Pin settings

3.1

Pin connection

Figure 3. Pin connection (top view)

VBIAS

VIN

VCC

SYNCH

COMP

GND

BOOT

DIM

ILIM

FSW

EXPOSED

PAD TO

SGND

3.2

Pin description

Table 1. Pin description

Description

VBIAS

Auxiliary input that can be used to

supply part of the analog circuitry to

increase the efficiency at light load.

Connect to GND if not used or bypass

with a 1 µF ceramic capacitor if supplied

by an auxiliary rail

VIN

DC input voltage

VIN

DC input voltage

VCC

Filtered DC input voltage to the internal

circuitry. Bypass to the signal GND by a

1 µF ceramic capacitor

Active high enable pin. Connect to VCC

pin if not used

An internal current generator (5 µA

typ.) charges the external capacitor to

implement the soft-start

SYNCH

Master / slave synchronization

COMP

Output of the error amplifier. The

designed compensation network is

connected on this pin

Inverting input of the error amplifier

FSW

A pull-down resistor to GND selects the

switching frequency

ALED6000

Pin settings

DS13018 - Rev 4

page 4/45

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