A8513 データシートの表示（PDF） - Allegro MicroSystems
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A8513 Datasheet PDF : 24 Pages
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A8513
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
Features and Benefits (continued)
• Fault flag pin to alert the controller to a myriad of possible
fault conditions
• Protection Features:
▫ Shorted output
▫ Open or shorted LED pin
▫ Output undervoltage and overvoltage
▫ Input undervoltage
▫ Shorted boost switch or inductor
▫ Shorted ISET resistor
▫ Open boost Schottky
▫ Overtemperature
Selection Guide
Part Number
A8513KLYTR-T
Oscillator Frequency, fSW
(MHz)
2
A8513KLYTR-1-T
1
A8513KLYTR-2-T
0.5
A8513KLYTR-3-T
0.25
A8513KLPTR-T
2
A8513KLPTR-1-T
1
A8513KLPTR-2-T
0.5
A8513KLPTR-3-T
0.25
*Contact Allegro® for additional packing options
Packing*
4000 pieces per 13-in. reel
Contact factory for availability
4000 pieces per 13-in. reel
Contact factory for availability
Package
10-pin MSOP with exposed thermal pad
16-pin TSSOP with exposed thermal pad
Absolute Maximum Ratings*
Characteristic
Symbol
Notes
Rating
Unit
LED Pin
OVP Pin
VIN and ¯F¯¯A¯¯U¯¯L¯¯T¯ Pins
SW Pin
VLED
VOVP
VIN , VFAULT
VSW
Continuous
t < 50 ns
–0.3 to 55
V
–0.3 to 60
V
-0.3 to 40
V
–0.6 to 60
V
–1.0
V
ISET Pin
All Other Pins
VISET
–0.3 to 5.5
V
–0.3 to 7
V
Operating Ambient Temperature
TA
Range K
–40 to 125
ºC
Maximum Junction Temperature
TJ(max)
150
ºC
Storage Temperature
Tstg
–55 to 150
ºC
*Stresses beyond those listed in this table may cause permanent damage to the device. The Absolute Maximum ratings are
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the Electrical
Characteristics table is not implied. Exposure to Absolute Maximum-rated conditions for extended periods may affect device reliability.
Allegro MicroSystems, Inc.
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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