参数资料
型号: A8514KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 8/42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
Characteristic Performance
T A = T J
10
9
8
7
6
5
4
3
2
1
VIN Input Sleep Mode Current
versus Ambient Temperature
4.40
4.35
4.30
4.25
4.20
4.15
4.10
4.05
VIN UVLO Start Threshold Voltage
versus Ambient Temperature
0
-50 -40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120 130
4.00
-50 -40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120 130
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
Temperature (°C)
Switching Frequency
versus Ambient Temperature
3.70
3.69
3.68
3.67
3.66
3.65
3.64
3.63
3.62
3.61
Temperature (°C)
VIN UVLO Stop Threshold Voltage
versus Ambient Temperature
1.80
-50 -40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120 130
3.60
-50 -40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120 130
210
208
206
204
202
200
198
196
194
192
Temperature (°C)
OVP Pin Sense Current
versus Ambient Temperature
8.4
8.3
8.2
8.1
8.0
7.9
7.8
7.7
Temperature (°C)
OVP Pin Overvoltage Threshold
versus Ambient Temperature
190
-50 -40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120 130
7.6
-50 -40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
Temperature (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
8
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