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Part Number: MAX1945
Description: The MAX1945 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that c...
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MAX1945
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DataSheet
General Description
MAX1945 General Description
The MAX1945 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains a high-efficiency step-down switching-regulator circuit for applications requiring on-board postregulation. The circuit utilizes a MAX1945R regulator featuring ±4% voltage margining and is configured for a 1.8V output voltage.
The circuit provides up to 6A of current. A 2.6V to 5.5V DC source can be utilized to power the circuit's input.
The MAX1945R IC features an internal power MOSFET switch and an internal synchronous rectifier. The MAX1945 EV kit provides connections for the SYNC input. It also provides an output to synchronize another MAX1945 EV kit clock 180 degrees out-of-phase. Pulsewidth modulated (PWM) operation at 500kHz allows the use of tiny surface-mount components.
MAX1945 Features
·0.970in x 0.840in Circuit Footprint
·2.6V to 5.5V Input Range
·Output Voltage 1.8V/2.5V Preset 0.8V to 0.85x VIN Adjustable
·Provides Up to 6A Output Current
·±4% Voltage Margining
·Internal Power Switch and Synchronous Rectifier
·500kHz/1MHz PWM Selectable Switching Frequency
·SYNC Input: Synchronizes from 400kHz to 1.2MHz TTL/CMOS Clock
·SYNC Output: Drives 2nd MAX1945 Switching 180 Degrees Out-of-Phase
·All Surface-Mount Components
·Fully Assembled and Tested
·2.6V to 5.5V Input Range
·Output Voltage 1.8V/2.5V Preset 0.8V to 0.85x VIN Adjustable
·Provides Up to 6A Output Current
·±4% Voltage Margining
·Internal Power Switch and Synchronous Rectifier
·500kHz/1MHz PWM Selectable Switching Frequency
·SYNC Input: Synchronizes from 400kHz to 1.2MHz TTL/CMOS Clock
·SYNC Output: Drives 2nd MAX1945 Switching 180 Degrees Out-of-Phase
·All Surface-Mount Components
·Fully Assembled and Tested
MAX1945EVKIT
PDF/DataSheet Download
- Datasheet: MAX1945EVKIT
- File Size: 183965 KB
- Manufacturer: Maxim
- Click here to Download
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