参数资料
型号: A8514KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 4/42页
文件大小: 0K
描述: IC LED DVR WHT 4X80MA 16-ETSSOP
标准包装: 8,000
拓扑: PWM,SEPIC,升压(升压)
输出数: 4
内部驱动器:
类型 - 主要: 车载,背光
类型 - 次要: 白色 LED
频率: 580kHz ~ 2MHz
电源电压: 5 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 20-TSSOP-EP
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
A8514
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
Functional Block Diagram
VDD
Internal V CC
SW
VIN
Regulator
UVLO
Internal V CC
1.235 V
Ref
AGND
V REF
Fault
FSET/SYNC
Oscillator
Driver
Circuit
Diode
Open
Sense
COMP
Internal
Soft Start
I SS
Current
Sense
PGND
VSENSE
I ADJ
Input Current
Sense Amplifier
Thermal
Shutdown
GATE
Fault
V REF
OVP
PMOS
Driver
GOFF
OVP
Sense
PWM/EN
Enable
Fault
Open/Short
LED Detect
PWM
100 k Ω
V REF
I SS
APWM
ISET
Internal V CC
ISET
AGND
LED
Driver
Fault
LED1
LED2
LED3
LED4
FAULT
PAD
PGND
AGND
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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