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ALED6000 Datasheet(PDF) 4 Page - STMicroelectronics

Part # ALED6000
Description  Automotive 3 A single channel LED driver with integrated DC-DC converter
PDF  45 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ALED6000 Datasheet(HTML) 4 Page - STMicroelectronics

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3
Pin settings
3.1
Pin connection
Figure 3. Pin connection (top view)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VBIAS
VIN
VIN
VCC
EN
SS
SYNCH
COMP
GND
BOOT
LX
LX
DIM
ILIM
FSW
FB
EXPOSED
PAD TO
SGND
3.2
Pin description
Table 1. Pin description
#
Pin
Description
1
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
2
VIN
DC input voltage
3
VIN
DC input voltage
4
VCC
Filtered DC input voltage to the internal
circuitry. Bypass to the signal GND by a
1 µF ceramic capacitor
5
EN
Active high enable pin. Connect to VCC
pin if not used
6
SS
An internal current generator (5 µA
typ.) charges the external capacitor to
implement the soft-start
7
SYNCH
Master / slave synchronization
8
COMP
Output of the error amplifier. The
designed compensation network is
connected on this pin
9
FB
Inverting input of the error amplifier
10
FSW
A pull-down resistor to GND selects the
switching frequency
ALED6000
Pin settings
DS13018 - Rev 4
page 4/45



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