High-Power Synchronous HBLED
Drivers with Rapid Current Pulsing
Typical Operating Characteristics (continued)
(V IN = 12V, V DD = V CC = 5V, T A = +25°C, unless otherwise noted.)
LOW-SIDE DRIVER (DL) SINK
AND SOURCE CURRENT
MAX16821A toc07
C LOAD = 22nF
V IN = 12V
100ns/div
3A/div
HIGH-SIDE DRIVER (DH) RISE TIME
MAX16821A toc08
V IN = 12V
DH RISING
40ns/div
2V/div
HIGH-SIDE DRIVER (DH) FALL TIME
MAX16821A toc09
C LOAD = 22nF
V IN = 12V
40ns/div
2V/div
LOW-SIDE DRIVER (DL) RISE TIME
MAX16821A toc10
C LOAD = 22nF
V IN = 12V
2V/div
LOW-SIDE DRIVER (DL) FALL TIME
MAX16821A toc11
C LOAD = 22nF
V IN = 12V
2V/div
10,000
1000
V IN = 12V
FREQUENCY vs. R T
100
260
40ns/div
FREQUENCY vs. TEMPERATURE
40ns/div
SYNC, CLKOUT, AND DH WAVEFORMS
MAX16821A toc14
30 70 110 150 190 230 270 310 350 390 430 470 510 550
R T (k ? )
SYNC, CLKOUT, AND DL WAVEFORMS
MAX16821A toc15
258
256
254
252
250
248
V IN = 12V
MODE = SGND
RT/SYNC
5V/div
0V
CLKOUT
5V/div
0V
MODE = V CC
RT/SYNC
5V/div
0V
CLKOUT
5V/div
0V
246
244
242
240
DH
5V/div
0V
DL
5V/div
0V
0
5
10 15 20 25
TEMPERATURE ( ° C)
30
35
1 μ s/div
1 μ s/div
6
_______________________________________________________________________________________
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相关代理商/技术参数
MAX16821EVKIT+ 制造商:Maxim Integrated Products 功能描述:HIGH-POWER SYNCHRONOUS HBLED DRIVER - Boxed Product (Development Kits)
MAX16822AASA/V+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA/V+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822BASA+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822BASA+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822BEVKIT+ 功能描述:LED 照明开发工具 MAX16822B 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: