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参数资料
| 型号： | MAX1583ZETB+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR PHOTO FLASH 10-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | 升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 750kHz ~ 1.25MHz |
| 电源电压： | 2.6 V ~ 5.5 V |
| 输出电压： | 24V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
White LED Camera-Flash
Boost Converter
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
—
NAME
GND
IN
MOV
STB
POK
EN1
EN2
OUT
LED
LX
EP
FUNCTION
Ground. Connect to exposed paddle.
Input Voltage Supply. Input voltage range is 2.6V to 5.5V. Bypass IN to GND with a 4.7μF ceramic capacitor.
Movie Current-Set Input. Connect a resistor from MOV to GND to set the LED current for movie-mode
operation. R MOV = 60 / I LED (where R MOV > 600k Ω ).
Strobe Current-Set Input. Connect a resistor from STB to GND to set the LED current for strobe-mode
operation. R STB = 600 / I LED (where R STB > 2k Ω ).
Power-OK Output. Pulled to GND during precharge mode. POK goes high impedance once V OUT reaches 24V.
Enable 1. EN1 and EN2 are digital inputs that determine the operational mode of the MAX1583. See Table 1.
Enable 2. EN1 and EN2 are digital inputs that determine the operational mode of the MAX1583. See Table 1.
Output-Voltage Sense Input. The boost-converter circuit in the MAX1583 is disabled once V OUT is greater
than 24V. When V OUT falls below 23.5V, the converter is enabled.
LED Return Input. Connect to the cathode of the series LEDs. Regulates to 0.6V in movie mode. LED is high
impedance during shutdown and precharge mode.
Inductor Connection. Drain of the internal power MOSFET. Connect to the switched side of the inductor. LX is
high impedance during shutdown.
Exposed Paddle. Connect to the circuit ground plane.
Functional Diagram
CURRENT-LIMIT
CURRENT-LIMIT
THERMAL
COMPARATOR
THRESHOLD
IN
MAX1583
LIMIT
LX
REFERENCE
MOVIE-MODE
BOOST-CONVERTER
CONTROL
POK CIRCUITRY
N
N
POK
FEEDBACK
COMPARATOR
POK
COMPARATOR
OUT
EN1
EN2
MOV
ENABLE
DECODE
STB
CURRENT REGULATOR
GND
N
LED
6
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相关代理商/技术参数 |
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| MAX1584ETJ | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1584ETJ+ | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1584ETJ+T | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1584ETJ-T | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1585ETJ | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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