MAX1623EAP Maxim Integrated Products, MAX1623EAP Datasheet
MAX1623EAP
Specifications of MAX1623EAP
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MAX1623EAP Summary of contents
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... Adjustable (1.1V to 3.8V) Output Voltage o 4.5V to 5.5V Input Voltage Range o 400µA (typ) Supply Current o <1µA Shutdown Supply Current o Constant-Off-Time PWM Operation o Switching Frequencies Up to 350kHz o Idle Mode™ Operation at Light Loads o Thermal Shutdown Protection o Available in 20-Pin SSOP PART MAX1623EAP TOP VIEW 2.5V OUTPUT ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches ABSOLUTE MAXIMUM RATINGS IN to PGND ..................................................................... GND ................................................................-0. PGND to GND.....................................................................±0. .............................................................................±0. Current (Note 1).............................................................±5.5A SHDN to ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches ELECTRICAL CHARACTERISTICS ( 5V, FBSEL unconnected PARAMETER Input Voltage Range Output Voltage Output Adjustment Range Reference Output Voltage Current-Limit Threshold PMOS Switch On-Resistance NMOS ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches __________________________________________Typical Operating Characteristics (Circuit of Figure +25°C, unless otherwise noted.) A EFFICIENCY vs. OUTPUT CURRENT 100 3.3V 110kΩ OUT TOFF ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches ____________________________ Typical Operating Characteristics (continued) (Circuit of Figure +25°C, unless otherwise noted.) A START-UP AND SHUTDOWN TRANSIENT 1ms/div 3.3V, ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches PIN NAME Connection to the internal power switches. 16,18 Power Input. Internally connected to the PMOS switch source. Connect to 5V. ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches V IN 4.5V TO 5.5V COMP REF SHDN REF NOTE: HEAVY LINES DENOTE HIGH SWITCHING CURRENT PATHS. Figure 1. Functional Diagram At light loads, the device ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches INPUT 4.5V TO 5.5V 10Ω NOTE: HEAVY LINES DENOTE HIGH SWITCHING CURRENT PATHS. Figure 2. Standard 3.3V/3A Application Circuit Setting the AC Loop Gain The internal integrator amplifier effectively eliminates ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches LX MAX1623 PGND GND 10kΩ to 500kΩ R1 OUT REF V = 1.1V REF Figure 3. Adjustable Output Voltage A high capacitor value ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 2 flow. A copper area of 0.4in showed thermal resis- tance of 60°C/W. Airflow over the IC can significantly reduce θ Power Dissipation The MAX1623’s power dissipation consists mostly of ...
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Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches Stable operation requires the right output filter capaci- tor. When choosing the output capacitor, ensure the fol- lowing conditions are met: ≥ × OFF and 10mΩ ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...