A8513 ALLEGRO [Allegro MicroSystems], A8513 Datasheet - Page 4

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

A8513
EN/PWM
COMP
ISET
VIN
Internal V
100 kΩ
Internal V
Oscillator
CC
Regulator
Soft Start
Enable
Internal
PWM
UVLO
VDD
CC
ISET
V
REF
Functional Block Diagram
Wide Input Voltage Range, High Efficiency
I
SS
Enable
∑
Internal V
Shutdown
1.235 V
Thermal
Ref
I
SS
+
CC
–
Enable
V
Current
Sense
REF
GND
Driver
LED
Fault
–
+
Circuit
Driver
OVP
Sense
LED Detect
Fault Tolerant LED Driver
Short
SW
–
+
V
+
REF
–
Diode
Open
Sense
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
FAULT
OVP
LED
4