参数资料
型号: A8515GLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 7/34页
文件大小: 0K
描述: IC LED DVR WHT/RGB BKLGT 16TSSOP
标准包装: 8,000
拓扑: PWM,升压(升压)
输出数: 2
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 600kHz ~ 2.5MHz
电源电压: 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: 带卷 (TR)
工作温度: -40°C ~ 105°C
A8515
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
ELECTRICAL CHARACTERISTICS 1 (continued) Valid at V IN = 16 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. 2
Max.
Unit
VSENSE Pin
VSENSE Pin Sink Current
I ADJ
18.8
20.3
21.8
μ A
VSENSE Trip Point
V SENSEtrip
Measured between VIN and VSENSE,
R ADJ = 0 Ω
180
mV
ˉFˉ ˉAˉˉUˉˉLˉ ˉTˉ Pin
ˉFˉ ˉA ˉUˉˉLˉ ˉTˉ Pull-Down Voltage
ˉFˉ ˉA ˉUˉˉLˉ ˉTˉ Pin Leakage Current
V FAULT
I FAULTLKG
I FAULT = 1 mA (400 Ω )
V FAULT = 5 V
?
?
?
?
0.5
1
V
μ A
Thermal Protection (TSD)
Thermal Shutdown Threshold 4
Thermal Shutdown Hysteresis 4
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 Typical specifications are at T A = 25oC.
3 Minimum V IN = 5 V is only required at startup. After startup is completed, the IC is able to function down to V IN = 4 V.
4 Ensured by design and characterization, not production tested.
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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