参数资料
型号: TB62754AFNG
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PDSO20
封装: 0.65 MM, PLASTIC, LEAD FREE, SSOP-20
文件页数: 15/17页
文件大小: 203K
代理商: TB62754AFNG
TB62754AFNG
2007-1-30
6
Explanation of Operation
Modes sets below are selectable by 2 input signals.
Mode
SHDN pin
PWM pin
Voltage booster
block
Constant current
block
Shutdown mode
L
Stop
LED drive mode
H
Feedback FB
voltage
Drive
Constant current drive
standby mode
H
L
Feedback OVP
voltage
Stop
Signal input sequence
This IC has soft-start function to prevent rush current.
SHDN should be input high before PWM signal is input high because soft-start function works when PWM
signal is input low.
Time difference between two input signals is recommended to be set 2 ms or more.
1 Shutdown mode
It stops the operation.
Total consumption current is 1A or less.
SHDN
PWM
Over 2ms
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TB62754AFNG(O,EL) 功能描述:LED照明驱动器 White LED Driver 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
TB62755FPG(O,EL) 功能描述:LED照明驱动器 White LED Driver 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
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TB62757FPG(O,EL) 功能描述:LED照明驱动器 White LED Driver 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