LM3478MM是TI公司又一新产品:用于开关稳压器的 40V 宽输入电压低侧 N 通道控制器,(正在供货)
产品图片:现货图片如(附件)
产品特性如下:
LM3478Q-Q1 in VSSOP-8 package is AEC-Q100 Qualified
and Manufactured on an Automotive Grade Flow
8-lead VSSOP-8 and SOIC-8 packages
Internal Push-Pull Driver With 1-A Peak Current Capability
Current Limit and Thermal Shutdown
Frequency Compensation Optimized With a Capacitor and a
Resistor
Internal Soft Start
Current Mode Operation
Undervoltage Lockout With Hysteresis
产品描述如下:
The LM3478 is a versatile Low-Side N-Channel MOSFET controller for switching regulators. It is suitable for use in topologies requiring a low side MOSFET, such as boost, flyback, SEPIC, etc. Moreover, the LM3478 can be operated at extremely high switching frequency in order to reduce the overall solution size. The switching frequency of the LM3478 can be adjusted to any value between 100 kHz and 1 MHz by using a single external resistor. Current mode control provides superior bandwidth and transient response, besides cycle-by-cycle current limiting. Output current can be programmed with a single external resistor.
The LM3478 has built in features such as thermal shutdown, short-circuit protection, over voltage protection, etc. Power saving shutdown mode reduces the total supply current to 5 µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.
LM3478MM产品参数规格:
产品种类: 开关控制器
制造商: Texas Instruments
RoHS: 是
输出端数量: 1 Output
开关频率: 0.1 MHz to 1 MHz
占空比 - 最大: 100 %
输入电压: 2.97 V to 40 V
输出电压: 1.26 V
输出电流: 10 A
最小工作温度: - 40 C
最大工作温度: + 125 C
安装风格: SMD/SMT
封装 / 箱体: MSOP
封装: Reel
商标: Texas Instruments
开发套件: LM3478EVAL/NOPB
工作电源电流: 2.7 mA
工作温度范围: - 40 C to + 125 C
系列: LM3478
工厂包装数量: 1000
类型: Step Up
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