A8514KLPTR-T Allegro Microsystems Inc, A8514KLPTR-T Datasheet - Page 2

• Manufacturer Part Number: A8514KLPTR-T
• Description: IC LED DVR WHT 4X80MA 16-ETSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A8514KLPTR-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A8514
Description (continued)
The A8514 is provided in a 20-pin TSSOP package (suffix LP) with
an exposed pad for enhanced thermal dissipation. It is lead (Pb) free,
with 100% matte tin lead frame plating.
Selection Guide
*Contact Allegro
Absolute Maximum Ratings*
LEDx Pins
OVP Pin
VIN, VSENSE, GATE Pins
SW Pin
¯ F ¯ ¯ A ¯ ¯ ¯ U ¯ ¯ L ¯ ¯ T ¯ Pin
ISET, FSET, APWM, COMP Pins
All Other Pins
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
*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.
A8514KLPTR-T
Specifications
Characteristic Performance
Functional Description
Pin-out Diagram and Terminal List
Part Number
Enabling the IC
Powering up: LED pin short-to-ground check
Soft start function
Frequency selection
Sync
LED current setting and LED dimming
PWM dimming
APWM pin
Analog dimming
Characteristic
®
for additional packing options
Table of Contents
4000 pieces per 13-in. reel
Symbol
T
J
(max)
T
T
stg
A
Packing*
Wide Input Voltage Range, High Efficiency
11
13
13
14
15
15
16
18
11
11
VSENSE and GATE pins should not exceed V
by more than 0.4 V
Continuous
t < 50 ns
Range K
2
3
8
Notes
Application Information
LED short detect
Overvoltage protection
Boost switch overcurrent protection
Input overcurrent protection and
Setting the current sense resistor
Input UVLO
VDD
Shutdown
Fault protection during operation
Design Example for Boost Configuration
Design Example for SEPIC Configuration
Package Outline Drawing
disconnect switch
Fault Tolerant LED Driver
IN
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–0.3 to 5.5
–40 to 125
–55 to 150
–0.3 to 55
–0.3 to 60
–0.3 to 40
–0.6 to 62
-0.3 to 40
–0.3 to 7
Rating
–1.0
150
Unit
ºC
ºC
ºC
V
V
V
V
V
V
V
V
26
18
19
21
22
23
23
23
23
24
26
30
34
2