A8513 ALLEGRO [Allegro MicroSystems], A8513 Datasheet - Page 7

• Manufacturer Part Number: A8513
• Description: Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A8513
4.345
4.295
4.245
4.195
4.145
4.095
4.045
3.995
3.945
10
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
9
8
7
6
5
4
3
2
1
0
-55
-55
5
V
IN
6
VIN UVLO Rising Threshold Voltage
= 40 V
7
8
VIN Input Sleep Mode Current
7 series LEDs; V
versus Ambient Temperature
Efficiency Versus Input Voltage
versus Ambient Temperature
5 series LEDs; V
6 series LEDs; V
-5
-5
I
9
LED
Input Voltage, V
10
= 90 mA, LED V
Temperature (°C)
Temperature (°C)
11 12
OUT
OUT
OUT
13
= 23 V
45
45
= 17 V
= 20 V
14
15 16 17 18 19
f
IN
≈ 3.2 V
(V)
95
95
Characteristic Performance
20
Wide Input Voltage Range, High Efficiency
21
145
145
22
3.855
3.805
3.755
3.705
3.655
3.605
3.555
3.505
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
1.80
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
-55
-55
5
Fault Tolerant LED Driver
6
VIN UVLO Falling Threshold Voltage
7
8
Efficiency Versus Input Voltage
I
versus Ambient Temperature
versus Ambient Temperature
LED
7 series LEDs; V
9
-5
-5
6 series LEDs; V
Input Voltage, V
10
= 150 mA, LED V
5 series LEDs; V
Switch Frequency
Temperature (°C)
11 12
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Temperature (°C)
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
13
OUT
OUT
45
45
14
= 23 V
OUT
= 20 V
15 16 17 18 19
= 17 V
f
IN
≈ 3.2 V
(V)
95
95
20
21
22
145
145
7