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MAX16835
High-Voltage, 350mA, Adjustable Linear
High-Brightness LED Driver
General Description
Features
The MAX16835 current regulator operates from a 6.5V
to 40V input voltage range and delivers up to a total of
350mA to one or more strings of high-brightness LEDs
(HB LEDs). The output current of the MAX16835 is
adjusted by using an external current-sense resistor in
series with the LEDs. An enable input allows wide-
range “pulsed ” dimming. Wave-shaping circuitry
reduces EMI. The differential current-sense input
increases noise immunity. The MAX16835 is well suited
for applications requiring high-voltage input and is able
to withstand automotive load-dump events up to 40V.
An on-board pass element minimizes external compo-
nents while providing ±3.5% output current accuracy.
Additional features include a 5V regulated output and
short-circuit and thermal protection.
The MAX16835 is available in a thermally enhanced,
5mm x 5mm, 16-pin TQFN package and is specified
over the automotive -40°C to +125°C temperature range.
Applications
Automotive Interior: Map, Courtesy, and Cluster
Lighting
Automotive Exterior: Tail Lights and CHMSL
Warning Lights for Emergency Vehicles
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+6.5V to +40V Operating Range
Adjustable LED Current (35mA to 350mA)
±3.5% Output Current Accuracy
Integrated Pass Element with Low-Dropout
Voltage (0.55V typ)
Output Short-Circuit Protection
+5V Regulated Output with 4mA Source
Capability
Thermal Shutdown
Differential LED Current Sense
High-Voltage Enable Pin for Dimming Interface
Low Shutdown Supply Current (35μA typ)
Low 200mV Current-Sense Reference Reduces
Power Losses
Wave-Shaped Edges Reduce Radiated EMI During
PWM Dimming
Available in Small, Thermally Enhanced,
5mm x 5mm, 16-Pin TQFN Package
-40°C to +125°C Operating Temperature Range
Ordering Information
Navigation and Marine Indicators
General Illumination
PART
MAX16835ATE+
MAX16835ATE/V+
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
16 TQFN-EP*
16 TQFN-EP*
Signage, Gasoline Canopies, Beacons
Pin Configuration
TOP VIEW
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
/V denotes an automotive qualified part.
Simplified Diagram
12
11
10
9
+6.5V TO +40V
IN
OUT
N.C. 13
N.C. 14
8
7
N.C.
N.C.
0.1 μ F
MAX16835
V5
+5V REG
0.1 μ F
LEDs
MAX16835
EN 15
6
N.C.
CS+
OUT 16
+
5
N.C.
PWM DIMMING
R SENSE
EN
CS-
1
2
3
4
GND
TQFN
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-4028; Rev 2; 10/12
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相关代理商/技术参数
MAX16836ASA+
功能描述:LED照明驱动器 MAX17040B Eval Kit RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX16836ASA+T
功能描述:LED照明驱动器 350mA HB w/PWM Dim & 5V Regulator RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX16836ATE+
功能描述:LED照明驱动器 350mA HB w/PWM Dim & 5V Regulator RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX16836ATE+T
功能描述:LED照明驱动器 350mA HB w/PWM Dim & 5V Regulator RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX16836EVKIT+
功能描述:LED 照明开发工具 MAX16836 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
MAX16838ATP/V+
功能描述:LED照明驱动器 Integrated 2-Channel High-Brightness LED Drivers with High-Voltage DC-DC Controller RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX16838ATP/V+T
功能描述:LED照明驱动器 Integrated 2-Channel High-Brightness LED Drivers with High-Voltage DC-DC Controller RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX16838ATP+
功能描述:LED照明驱动器 HB w/High-Voltage DC/DC Controller RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
