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参数资料
| 型号： | MAX17105ETG+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/26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： | 是 |
| 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
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V IN = 12V, C COMP = 33nF, R COMP = 1k I , R ISET = 50k I , R OSC = 100k I , R DFSET = 250k I , PWMI = SGND,
C PWMO = 1μF, T A = -40 N C to +85 N C , unless otherwise noted. Typical values are at T A = +25 N C.) (Note 2)
Note 1: Specifications are guaranteed by design, not production tested.
Note 2: Specifications to T A = -40 N C are guaranteed by design, not production tested.
Note 3: LED full-scale current maximum value is subjected to string number, LED number per string, and LX current limit. In SMBus
modes, if the total load is heavier than 8 strings with 10 WLEDs per string at 25mA LED current, upon step-up regulator
input V S removal, an OC fault may occur, resulting in SMBus status register OV_CURR and FAULT bits being set to 1 and
violating SMBus specifications.
Note 4: Minimum voltage drop from V S to IN pin, including the forward voltage drop of diode DIN1 used in Figure 1, should be no
less than 0.8V. If lower forward voltage drop diode is used, upon step-up regulator input V S removal, an OC fault may occur,
resulting in SMBus status register OV_CURR and FAULT bits being set to 1 and violating SMBus specifications.
Note 5: Dimming modes not to be done after the driver starts up or on-the-fly.
Typical Operating Characteristics
(T A = +25°C, unless otherwise noted.)
BOOST CONVERTER EFFICIENCY
vs. INPUT VOLTAGE (V S )
(V OUT = 32V/I OUT = 160mA, BRIGHTNESS = 100%)
91
BOOST CONVERTER EFFICIENCY
vs. BRIGHTNESS
(V S = 12V, V OUT = 32V/I OUT = 160mA AT 100%)
90
20
LED CURRENT
vs. BRIGHTNESS SETTING
90
89
88
87
80
70
15
10
86
84
WITHOUT EXTERNAL p-CHANNEL MOSFET
60
DirectPWM MODE WITHOUT
EXTERNAL p-CHANNEL MOSFET
5
DIRECT-PWM MODE
85
7
10
13
16
19
22
50
0
20
40
60
80
100
0
0
20
40
60
80
100
INPUT VOLTAGE (V)
BRIGHTNESS (%)
PWM DUTY CYCLE (%)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17105EVKIT+ | 功能描述:电源管理IC开发工具 MAX17105 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX17106ETN+ | 功能描述:PMIC 解决方案 PMIC for LCD RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX17106ETN+T | 功能描述:其他电源管理 Integrated Circuits (ICs) Power Management - Specialized - IC REG STEP UP/HV STEPUP 56-TQFN RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| MAX17106EVKIT+ | 制造商:Maxim Integrated Products 功能描述:STEP-UP REGULATOR HIGH-VOLTAGE STEP-UP WITH TEMPERATURE COMP - Boxed Product (Development Kits) |
| MAX17107ETI+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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