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AAT1151 Datasheet

Part Number AAT1151
Manufacturers AAT
Logo AAT
Description DC/DC Converter
Datasheet AAT1151 DatasheetAAT1151 Datasheet (PDF)

AAT1151 850kHz 700mA Synchronous Buck DC/DC Converter General Description The AAT1151 SwitchReg™ is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. The step-down switching converter is ideal for applications where high efficiency is required over the full range of output load conditions. The 2.7V to 5.5V input voltage range makes the AAT1151 ideal for single-cell lithiumion/polymer battery applications. Capable of more than 700mA with internal MOSFETs, the currentm.

  AAT1151   AAT1151






Part Number AAT1157
Manufacturers AAT
Logo AAT
Description DC/DC Converter
Datasheet AAT1151 DatasheetAAT1157 Datasheet (PDF)

AAT1157 1MHz 1.2A Buck DC/DC Converter General Description The AAT1157 SwitchReg™ is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. The step-down switching converter is ideal for applications where fixed frequency and low ripple are required over the full range of load conditions. The 2.7V to 5.5V input voltage range makes the AAT1157 ideal for singlecell lithium-ion/polymer battery applications. Capable of up to 1.2A with internal MOSFETs, the current-mode contro.

  AAT1151   AAT1151







Part Number AAT1156
Manufacturers AAT
Logo AAT
Description Step-Down DC-DC Converter
Datasheet AAT1151 DatasheetAAT1156 Datasheet (PDF)

AAT1156 1MHz 700mA Step-Down DC-DC Converter General Description The AAT1156 SwitchReg™ is a member of AnalogicTech™'s Total Power Management IC™ (TPMIC™) product family. The step-down switching converter is ideal for applications where high efficiency is required over the full range of load conditions. The 2.7V to 5.5V input voltage range makes the AAT1156 ideal for single-cell lithium-ion/polymer battery applications. Capable of more than 700mA with internal MOSFETs, the current-mode controlle.

  AAT1151   AAT1151







Part Number AAT1155
Manufacturers AAT
Logo AAT
Description Step-Down DC-DC Converter
Datasheet AAT1151 DatasheetAAT1155 Datasheet (PDF)

AAT1155 1MHz 2.5A Step-Down DC/DC Converter General Description The AAT1155 SwitchReg™ is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. The step-down switching converter is ideal for applications where high efficiency, small size, and low ripple are critical. Able to deliver 2.5A with an internal power MOSFET, the current-mode controlled IC provides high efficiency. Fully internally compensated, the AAT1155 simplifies system design and lowers external parts count.

  AAT1151   AAT1151







Part Number AAT1154
Manufacturers Advanced Analogic Technologies
Logo Advanced Analogic Technologies
Description 1MHz 3A Buck DC/DC Converter
Datasheet AAT1151 DatasheetAAT1154 Datasheet (PDF)

1MHz 3A Buck DC/DC Converter General Description The AAT1154 SwitchReg™ is a member of AnalogicTech™'s Total Power Management™ IC product family. The Step-down switching converter is ideal for applications where high efficiency, small size, and low ripple are critical. Able to deliver 3A with an internal power MOSFET, the current-mode controlled IC provides high efficiency. Fully internally compensated, the AAT1154 simplifies system design and lowers external part count. The AAT1154 is available.

  AAT1151   AAT1151







Part Number AAT1153
Manufacturers Advanced Analogic Technologies
Logo Advanced Analogic Technologies
Description 2A Step-Down Converter
Datasheet AAT1151 DatasheetAAT1153 Datasheet (PDF)

PRODUCT DATASHEET AAT1 153 2A Step-Down Converter General Description The AAT1153 SwitchReg™ is a 1.2MHz constant frequency current mode PWM step-down converter. It is ideal for portable equipment requiring very high current up to 2A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The AAT1153 also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very.

  AAT1151   AAT1151







DC/DC Converter

AAT1151 850kHz 700mA Synchronous Buck DC/DC Converter General Description The AAT1151 SwitchReg™ is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. The step-down switching converter is ideal for applications where high efficiency is required over the full range of output load conditions. The 2.7V to 5.5V input voltage range makes the AAT1151 ideal for single-cell lithiumion/polymer battery applications. Capable of more than 700mA with internal MOSFETs, the currentmode controlled IC provides high efficiency using synchronous rectification. Fully integrated compensation simplifies system design and lowers external parts count. The device operates at a fixed 850kHz switching frequency and enters PFM mode for light load current to maintain high efficiency across all load conditions. The AAT1151 is available in MSOP-8 and QFN33-16 packages and is rated over the -40°C to +85°C temperature range. www.DataSheet4U.com Features • • • • • • • • • • • • • • • • • • SwitchReg™ VIN Range: 2.7V to 5.5V Up to 95% Efficiency High Initial Accuracy ±1% 110mΩ RDS(ON) Internal Switches <1µA Shutdown Current 850kHz Switching Frequency Fixed VOUT or Adjustable VOUT ≥1.0V Integrated Power Switches Synchronous Rectification Current Mode Operation Internal Compensation Stable with Ceramic Capacitors PWM and PFM for Optimum Efficiency for All Load Conditions Internal Soft Start Over-Temperature Protection Current Limit Protection MSOP-8 and QFN33-16 Packages -40°C to +.


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