参数资料
型号: A8508GLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 7/28页
文件大小: 0K
描述: IC LED DVR WHITE 8X120MA 24TSSOP
标准包装: 8,000
拓扑: PWM,SEPIC,升压(升压)
输出数: 8
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 300kHz ~ 800kHz
电源电压: 9 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 24-TSSOP 裸露焊盘
包装: 带卷 (TR)
工作温度: -40°C ~ 105°C
A8508
Wide Input Voltage Range, High Efficiency
8-Channel Fault Tolerant LED Driver
ELECTRICAL CHARACTERISTICS 1 (continued) Valid at V IN = 12 V, T A = 25°C, indicates specifications guaranteed by design
and characterization over the full operating temperature range with T A = T J = –40°C to 105°C; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
ˉFˉ ˉAˉˉUˉˉLˉ ˉTˉ Pin
ˉFˉ ˉA ˉUˉˉLˉ ˉTˉ Pin Pull-Down Voltage
ˉFˉ ˉA ˉUˉˉLˉ ˉTˉ Pin Leakage Current
V FAULT
I FAULTLKG
I FAULT = 1 mA (400 Ω internal switch
resistance)
V FAULT = 5 V
?
?
0.4
?
?
1
V
μ A
Thermal Protection (TSD)
Thermal Shutdown Threshold 2
Thermal Shutdown Hysteresis 2
T SD
T SDHYS
Temperature rising
?
?
165
20
?
?
oC
oC
1 For
input and output current specifications, negative current is defined as coming out of the node or pin (sourcing), positive
current is defined as going into the node or pin (sinking).
2 Ensured by design and characterization, not production tested.
654
653
652
651
650
649
648
647
646
645
644
643
-40
-20
0
20
40
60
80
100
Junction Temperature, T J (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
7
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