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A8434 Datasheet(PDF) 6 Page - Allegro MicroSystems

Part No. A8434
Description  6-Channel High Efficiency Charge Pump White LED Driver
Download  11 Pages
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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A8434 Datasheet(HTML) 6 Page - Allegro MicroSystems

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6-Channel High Efficiency Charge Pump
White LED Driver
A8434
6
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Turn ON LED1 through LED6 to 1X Mode
VIN = 4.0 V, IOUT = 120 mA, VF = 3.4 V
Performance Characteristics
Tests performed using application circuit shown in figure 2
TA=25°C, VIN=3.6 V (unless otherwise noted)
Symbol
Parameter
Units/Division
C2
VENM and VENS
5.00 V
C1
VOUT
2.00 V
C4
IOUT
100 mA
t
time
1 ms
t
C2
C1
VOUT
C4
IOUT
VENM and VENS
Turn ON LED1 through LED6 to 1.5X Mode
VIN = 3.0 V, IOUT = 120 mA, VF = 3.4 V
Symbol
Parameter
Units/Division
C2
VENM and VENS
5.00 V
C1
VOUT
2.00 V
C4
IOUT
100 mA
t
time
1 ms
t
C2
C1
VOUT
C4
IOUT
VENM and VENS


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