参数资料
型号: MAX16812ATI/V+
厂商: Maxim Integrated
文件页数: 6/21页
文件大小: 0K
描述: IC LED DRIVR HIGH BRIGHT 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
恒定电流:
拓扑: PWM,SEPIC,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载
类型 - 次要: 高亮度 LED(HBLED)
频率: 125kHz ~ 500kHz
电源电压: 5.5 V ~ 76 V
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
工作温度: -40°C ~ 125°C
Integrated High-Voltage LED Driver
with Analog and PWM Dimming Control
Typical Operating Characteristics (continued)
(V IN = V EN = 12V, C L_REG = 3.3μF, C H_REG = 1μF, V TGRM = 0V, T A = +25°C, unless otherwise noted.)
EN UVLO THRESHOLD
OSCILLATOR FREQUENCY
vs. TEMPERATURE
V L_REG vs. I L_REG
vs. TEMPERATURE
1.50
1.45
1.40
V EN FALLIN          G
5.5
5.4
5.3
T A = +125°C
600
500
R T = 2M Ω
1.35
5.2
400
1.30
1.25
1.20
5.1
5.0
4.9
T A = +25°C
300
R T = 180k Ω
1.15
1.10
1.05
1.00
4.8
4.7
4.6
4.5
T A = -40 ° C
V IN = 7.5V
200
100
0
R T = 50k Ω
-40 -25 -10 5 20 35 50 65 80 95 110 125
0
2
4
6
8
10 12 14 16 18 20
-40 -25 -10 5 20 35 50 65 80 95 110 125
600
500
TEMPERATURE ( ° C)
OSCILLATOR FREQUENCY vs. R T
I L_REG (mA)
4.2
4.1
TEMPERATURE ( ° C)
V H_REG THRESHOLD
vs. TEMPERATURE
4.0
400
3.9
300
200
3.8
3.7
3.6
100
3.5
0
0.01
0.1
1
10
3.4
-40 -25 -10 5 20 35 50 65 80 95 110 125
R T (M Ω )
V H_REG vs. I H_REG
TEMPERATURE ( ° C)
V H_REG vs. TEMPERATURE
5.00
4.95
4.90
4.85
4.80
4.75
4.70
4.65
4.60
4.55
4.50
(V HV - V LV ) = 6V
V IN = 12V
V H_REG IS MEASURED
WITH RESPECT TO V LV
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
(V HV - V LV ) = 21V
I LOAD = 3mA
0
0.5
1.0
1.5
2.0
2.5
3.0
4.2
I H_REG (mA)
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
6
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