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ADP1873 Datasheet

Part Number ADP1873
Manufacturers Analog Devices
Logo Analog Devices
Description PWM Buck Controller
Datasheet ADP1873 DatasheetADP1873 Datasheet (PDF)

Data Sheet Synchronous Current-Mode with Constant On-Time, PWM Buck Controller ADP1872/ADP1873 FEATURES Power input voltage as low as 2.75 V to 20 V Bias supply voltage range: 2.75 V to 5.5 V Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 KHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1873 only) Resistor-programmable current-sense gain Thermal.

  ADP1873   ADP1873






Part Number ADP1879
Manufacturers Analog Devices
Logo Analog Devices
Description Synchronous Buck Controller
Datasheet ADP1873 DatasheetADP1879 Datasheet (PDF)

Data Sheet Synchronous Buck Controller with Constant On Time and Valley Current Mode ADP1878/ADP1879 FEATURES Power input voltage range: 2.95 V to 20 V On-board bias regulator Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current sense resistor required Power saving mode (PSM) for light loads (ADP1879 only) Resistor programmable current limit Power good with internal pu.

  ADP1873   ADP1873







Part Number ADP1878
Manufacturers Analog Devices
Logo Analog Devices
Description Synchronous Buck Controller
Datasheet ADP1873 DatasheetADP1878 Datasheet (PDF)

Data Sheet Synchronous Buck Controller with Constant On Time and Valley Current Mode ADP1878/ADP1879 FEATURES Power input voltage range: 2.95 V to 20 V On-board bias regulator Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current sense resistor required Power saving mode (PSM) for light loads (ADP1879 only) Resistor programmable current limit Power good with internal pu.

  ADP1873   ADP1873







Part Number ADP1877
Manufacturers Analog Devices
Logo Analog Devices
Description Dual Output Synchronous Buck PWM Controller
Datasheet ADP1873 DatasheetADP1877 Datasheet (PDF)

Dual Output Synchronous Buck PWM Controller With Tracking ADP1877 www.DataSheet4U.com FEATURES Input voltage range: 2.75 V to 14.5 V Output voltage range: 0.6 V to 0.9 V Maximum output current 20 A or higher per channel Programmable frequency: 200 kHz to 1.5 MHz Flexmode® architecture with integrated drivers 180° phase shift minimizes input ripple current and required input capacitance ±0.85% output voltage accuracy 0°C to 70°C Integrated boost diodes Pulse skip high efficiency mode under light.

  ADP1873   ADP1873







Part Number ADP1876
Manufacturers Analog Devices
Logo Analog Devices
Description 600 kHz Dual Output Synchronous Buck PWM Controller
Datasheet ADP1873 DatasheetADP1876 Datasheet (PDF)

Data Sheet 600 kHz Dual Output Synchronous Buck PWM Controller with Linear Regulator ADP1876 FEATURES Wide input range: 2.75 V to 20 V Power stage input voltage: 1 V to 20 V Output voltage range: 0.6 V up to 90% VIN Linear dropout (LDO) regulator with a fixed output 1.5 V at 150 mA Output current more than 25 A per channel 180º phase shift between channels for reduced input capacitance ±0.85% reference voltage accuracy from −40°C to +85°C Integrated boost diodes Independent channel precision e.

  ADP1873   ADP1873







Part Number ADP1875
Manufacturers Analog Devices
Logo Analog Devices
Description Synchronous Buck Controller
Datasheet ADP1873 DatasheetADP1875 Datasheet (PDF)

www.DataSheet4U.net Synchronous Buck Controller with Constant On-Time and Valley Current Mode ADP1874/ADP1875 FEATURES Power input voltage range: 2.95 V to 20 V On-board bias regulator Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1875 only) Resistor programmable current limit Power good with inte.

  ADP1873   ADP1873







PWM Buck Controller

Data Sheet Synchronous Current-Mode with Constant On-Time, PWM Buck Controller ADP1872/ADP1873 FEATURES Power input voltage as low as 2.75 V to 20 V Bias supply voltage range: 2.75 V to 5.5 V Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 KHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1873 only) Resistor-programmable current-sense gain Thermal overload protection Short-circuit protection Precision enable input Integrated bootstrap diode for high-side drive 140 µA shutdown supply current Starts into a precharged load Small, 10-lead MSOP package APPLICATIONS Telecom and networking systems Mid to high end servers Set-top boxes DSP core power supplies EFFICIENCY (%) TYPICAL APPLICATIONS CIRCUIT VIN = 2.75V TO 20V CC RC CC2 VOUT RTOP RBOT CVDD2 VDD = 2.75V TO 5.5V CVDD VIN ADP1872/ ADP1873 COMP/EN BST FB DRVH GND SW VDD DRVL.


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