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A8480EEJTR-T Datasheet(PDF) 7 Page - Allegro MicroSystems

Part # A8480EEJTR-T
Description  Boost Regulator for Display Bias or LED Driver
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A8480EEJTR-T Datasheet(HTML) 7 Page - Allegro MicroSystems

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Boost Regulator for Display Bias or LED Driver
A8480
6
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Symbol
Parameter Units/Division
C1
IL
500 mA
C2
VOUT1
10.0 V
C3
VSW
10.0 V
C4
VON1
2.00 V
t
time
1 ms
Conditions
Parameter
Value
VIN
3.3 V
VOUT
18 V
IOUT
80 mA
Startup
-3.00
-2.50
-2.00
-1.50
-1.00
-0.50
0
0.50
1.00
2.5
3.3
4.2
5
7
9
VIN (V)
Line Regulation
VOUT = 12 V
Dimming
Level
(mA)
0
20
40
60
80
-3.00
-2.50
-2.00
-1.50
-1.00
-0.50
0
0.50
1.00
2.5
3.3
4.2
5
7
9
VIN (V)
Line Regulation
VOUT = 15 V
Dimming
Level
(mA)
0
20
40
60
80
Line Regulation
VOUT = 18 V
-3.50
-3.00
-2.50
-2.00
-1.50
-1.00
-0.50
0
0.50
2.5
3.3
4.2
5
7
9
VIN (V)
Dimming
Level
(mA)
0
20
40
60
80
t
VOUT1
VON1
C3
C1
C2
IL
VSW
C4
Symbol
Parameter Units/Division
C1
IL
500 mA
C2
VOUT1
10.0 V
C3
VSW
10.0 V
C4
VON1
2.00 V
t
time
5 ms
Conditions
Parameter
Value
VIN
3.3 V
VOUT
18 V
IOUT
80 mA
Shutdown
t
VOUT1
VON1
C3
C1
C2
IL
VSW
C4
Performance Characteristics
Tests performed using application circuit shown in figure 5
L1 =4.7 μH, CIN= COUT=1 μF, TA=25°C (unless otherwise noted)


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