参数资料
型号: MAX17061ETI+T
厂商: Maxim Integrated
文件页数: 7/26页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: PWM,升压(升压)
输出数: 8
内部驱动器:
类型 - 主要: 车载,背光
类型 - 次要: 白色 LED
频率: 1MHz
电源电压: 4.5 V ~ 26 V
输出电压: 5V
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(4x4)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
8-String White LED Driver with
SMBus for LCD Panel Applications
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 12V, C CCV = 0.022μF, R CCV = 5.1k Ω , V ISET = V OSC = V DD = V CC , R FSET = 464k Ω , V PWMI = GND, LEDs =
10 series x 4 parallel strings, T A = +25°C, unless otherwise noted.)
BOOST CONVERTER EFFICIENCY
vs. INPUT VOLTAGE (BRIGHTNESS = 100%)
90
89
30
25
LED CURRENT
vs. SMBus BRIGHTNESS SETTING
30
25
LED CURRENT
vs. PWMI DUTY CYCLE
88
20
20
SMBus = 255
87
15
10
15
10
SMBus = 128
86
85
5
0
5
0
7
10
13
16
19
0
50
100
150
200
250
0
20
40
60
80
100
INPUT VOLTAGE (V)
SMBus BRIGHTNESS SETTING
PWMI DUTY CYCLE (%)
LED CURRENT vs. AMBIENT TEMPERATURE
(BRIGHTNESS = 100%)
26.0
25.8
30
LED CURRENT
vs. INPUT VOLTAGE
25.6
25.4
25.2
25.0
24.8
24.6
24.4
24.2
24.0
25
20
15
10
5
0
SMBus = 0xFF
SMBus = 0x1F
0
20
40
60
80
5
8
11
14
17
20
5
AMBIENT TEMPERATURE ( ° C)
SUPPLY CURRENT
vs. INPUT VOLTAGE
10
INPUT VOLTAGE (V)
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
4
3
2
1
0
SMBus = 255
SMBus = 0
8
6
4
2
0
5
8
11
14
17
20
5
8
11
14
17
20
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
_______________________________________________________________________________________
7
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