MAX16814
Integrated, 4-Channel, High-Brightness LED
Driver with High-Voltage DC-DC Controller
Pin Description (continued)
PIN
TQFN/
QFND
TSSOP
NAME
FUNCTION
LED String Cathode Connection 2. OUT2 is the open-drain output of the linear current sink that
12
15
OUT2
controls the current through the LED string connected to OUT2. OUT2 sinks up to 150mA. If
unused, connect OUT2 to LEDGND.
13
16
LEDGND
LED Ground. LEDGND is the return path connection for the linear current sinks. Connect
SGND, LEDGND, and PGND at a single point.
LED String Cathode Connection 3. OUT3 is the open-drain output of the linear current sink that
14
17
OUT3
controls the current through the LED string connected to OUT3. OUT3 sinks up to 150mA. If
unused, connect OUT3 to LEDGND.
LED String Cathode Connection 4. OUT4 is the open-drain output of the linear current sink that
15
18
OUT4
controls the current through the LED string connected to OUT4. OUT4 sinks up to 150mA. If
unused, connect OUT4 to LEDGND.
Current-Sense Input. CS is the current-sense input for the switching regulator. A sense resistor
16
19
CS
connected from the source of the external power MOSFET to PGND sets the switching current
limit. A resistor connected between the source of the power MOSFET and CS sets the slope
compensation ramp rate (see the Slope Compensation section).
17
18
20
1
PGND
NDRV
Power Ground. PGND is the switching current return path connection. Connect SGND,
LEDGND, and PGND at a single point.
Switching n-MOSFET Gate-Driver Output. Connect NDRV to the gate of the external switching
power MOSFET.
MOSFET Gate-Driver Supply Input. Connect a resistor between V CC and DRV to power the
19
2
DRV
MOSFET driver with the internal 5V regulator. Bypass DRV to PGND with a minimum of 0.1μF
ceramic capacitor.
20
3
V CC
EP
5V Regulator Output. Bypass V CC to SGND with a minimum of 1μF ceramic capacitor as close
as possible to the device.
Exposed Pad. Connect EP to a large-area contiguous copper ground plane for effective power
dissipation. Do not use as the main IC ground connection. EP must be connected to SGND.
Maxim Integrated
9
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相关代理商/技术参数
MAX16814BEUP+ 功能描述:LED照明驱动器 4Ch HB Drvr w/High-V 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
MAX16814BEUP+T 功能描述:LED照明驱动器 4Ch HB Drvr w/High-V 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
MAX16814BUTP+ 制造商:Maxim Integrated Products 功能描述:INTEGRATED, 4-CHANNEL, HIGH-BRIGHTNESS LED DRIVER WITH HIGH- - Rail/Tube
MAX16814BUTP+T 制造商:Maxim Integrated Products 功能描述:INTEGRATED, 4-CHANNEL, HIGH-BRIGHTNESS LED DRIVER WITH HIGH- - Tape and Reel
MAX16814BUUP+ 制造商:Maxim Integrated Products 功能描述:LED DRIVER - Rail/Tube
MAX16814BUUP+T 制造商:Maxim Integrated Products 功能描述:LED DRIVER - Tape and Reel
MAX16814CATP+ 制造商:Maxim Integrated Products 功能描述:INTEGRATED, 4-CHANNEL, HIGH-BRIGHTNESS LED DRIVER WITH HIGH- - Rail/Tube
MAX16814CAUP+ 制造商:Maxim Integrated Products 功能描述:INTEGRATED, 4-CHANNEL, HIGH-BRIGHTNESS LED DRIVER WITH HIGH- - Rail/Tube