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首页产品索引MIC2176

MIC2176

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76V Synchronous Buck Controller

制造商:Microchip

中文数据手册

产品信息

The MIC2176-1/-2/-3 is a family of constant-frequency, synchronous buck controllers featuring a unique digitally modified adaptive ON-time control architecture. The MIC2176 family operates over an input supply range of 4.5V to 75V and can be used to supply up to 15A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a constant switching frequency of 100kHz, 200kHz, and 300kHz.

Hyper Speed Control™ architecture allows for ultra-fast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This digitally modified adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient response in a single device.

The MIC2176 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include undervoltage lockout to ensure proper operation under power-sag conditions, internal soft-start to reduce inrush current, fold-back current limit, "hiccup" mode short-circuit protection and thermal shutdown.

  Hyper Speed Control™ architecture enables

  High delta V operation (VIN = 75V and VOUT = 1.2V)

  Small output capacitance

  4.5V to 75V input voltage

  Output down to 0.8V with ±1% accuracy

  Any Capacitor™ stable

  Zero-ESR to high-ESR output capacitance

  100kHz/200kHz/300kHz switching frequency

  Internal compensation

  6ms Internal soft-start

  Foldback current limit and "hiccup" mode short-circuit protection

  Thermal shutdown

  Supports safe start-up into a pre-biased output

  -40°C to +125°C junction temperature range

  Available in 10-pin MSOP package

电路图、引脚图和封装图

在线购买

型号制造商描述购买
MIC2176-3YMM-TRMicrochip 立即购买
MIC2176-2YMM-TRMicrochip 立即购买
MIC2176-1YMM-TRMicrochip 立即购买
MIC2176-1YMMMicrochip 立即购买
MIC2176-3YMMMicrochip 立即购买
MIC2176-2YMMMicrochip 立即购买

应用案例更多案例

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