参数资料
型号: MAX17105ETG+T
厂商: Maxim Integrated
文件页数: 8/26页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 24-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: 500kHz ~ 2MHz
电源电压: 6 V ~ 28 V
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
8-String WLED Driver with Integrated Step-Up
Regulator and SMBus/PWM Dimming Capability
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
20
15
10
LED CURRENT
vs. SMBus BRIGHTNESS SETTING
20
15
10
LED CURRENT
vs. PWMI DUTY CYCLE
DPST MODE
SMBus = 255
5
0
SMBus MODE
5
0
SMBus = 128
0
50
100
150
200
250
0
20
40
60
80
100
25
SMBus BRIGHTNESS SETTING
LED CURRENT
vs. INPUT VOLTAGE
6
PWMI DUTY CYCLE
IN QUIESCENT CURRENT
vs. IN VOLTAGE
20
BRIGHTNESS = 100%
5
SMBus = 255
4
15
10
5
0
DIRECT-PWM MODE
BRIGHTNESS = 10%
3
2
1
0
SMBus = 0
7
10
13
16
19
22
7
10
13
16
19
22
INPUT VOLTAGE (V)
IN VOLTAGE (V)
35
IN SHUTDOWN CURRENT
vs. IN VOLTAGE
SWITCHING WAVEFORMS
(V S = 7V, BRIGHTNESS = 100%)
MAX17105 toc09
32
29
SMBus MODE
V LX
20V/div
0V
26
23
DIRECT-PWM MODE
INDUCTOR
CURRENT
500mA/div
0A
20
7
10
13
16
19
22
1 F s/div
IN VOLTAGE (V)
8
_______________________________________________________________________________________
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