参数资料
型号: A8513KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 22/25页
文件大小: 0K
描述: IC LED DRVR AUTO BCKLGHT 16TSSOP
特色产品: Allegro A8513 LED Driver
标准包装: 1
拓扑: PWM,SEPIC,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载,背光
类型 - 次要: 白色 LED
频率: 1.8MHz ~ 2.2MHz
电源电压: 4.5 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 16-TSSOP-EP
包装: 标准包装
工作温度: -40°C ~ 125°C
其它名称: 620-1440-6
A8513
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
Typical Application Drawings
R1
A
V IN
C IN
R P
L1
SW
D1
R OVP1
VOUT
C VDD
R7
VIN
VDD
A8513
PAD
OVP
R OVP2
C OUT
FAULT
EN/PWM
ISET
LED
COMP
R ISET
GND
C P
R Z (Optional)
C Z (Optional)
A R1 is used to provide a leakage path such that the OVP pin is above 100 mV during startup.
Otherwise the IC would assume the output is shorted to GND and would not proceed with soft start.
Figure 23. Typical application showing boost configuration and PMOS disconnect switch implementation
R1 A
L2
D2 B
V IN = 9 t o 16 V
L1
C SW
D1
VOUT
C IN
V C
C VDD
VIN
VDD
SW
A8513
PAD
OVP
R OVP1
R OVP2
C OUT
FAULT
EN/PWM
ISET
LED
COMP
R ISET
GND
C P
R Z (Optional)
C Z (Optional)
A R1 is used to provide a leakage path such that the OVP pin is above 100 mV during startup.
Otherwise the IC would assume the output is shorted to GND and would not proceed with soft start.
B D2 is a blocking diode.
Figure 24. Typical application showing SEPIC configuration
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
22
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