MAX763ACPA Maxim Integrated Products, MAX763ACPA Datasheet
MAX763ACPA
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MAX763ACPA Summary of contents
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... V+ LX MAX748A ON/OFF SHDN OUT REF CC SS GND _______________________________________________________________________ Maxim Integrated Products Call toll free 1-800-998-8800 for free samples or literature. 3.3V, Step-Down, ________________________________Features Up to 500mA Load Currents Guaranteed 159kHz to 219.5kHz Current-Mode PWM 85% to 90% Efficiencies 1.7mA Quiescent Current (MAX748A) 1.4mA Quiescent Current (MAX763A) 0.2µ ...
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Step-Down, Current-Mode PWM DC-DC Converters ABSOLUTE MAXIMUM RATINGS Pin Voltages: V+ (MAX748A) ......................................................+17V, -0.3V V+ (MAX763A) ......................................................+12V, -0.3V LX (MAX748A) .................................(V+ - 21V) to (V+ + 0.3V) LX (MAX763A) .................................(V+ - 12V) to (V+ + 0.3V) OUT .................................................................................±25V SS, ...
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Current-Mode PWM DC-DC Converters ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 5V 0mA, T LOAD PARAMETER CONDITIONS I LOAD Efficiency LOAD Supply Current Includes switch current SHDN = 0V (Note 1) Shutdown ...
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Step-Down, Current-Mode PWM DC-DC Converters ____________________________Typical Operating Characteristics (continued) (Circuit of Figure +25° 3.3V, unless otherwise noted.) A OUT MAX763A QUIESCENT SUPPLY CURRENT vs. SUPPLY VOLTAGE 4.5 4.0 I OUT = 0mA 3.5 T ...
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Current-Mode PWM DC-DC Converters _________________________________Typical Operating Characteristics (continued) (Circuit of Figure +25° 3.3V, unless otherwise noted.) A OUT SWITCHING WAVEFORMS, CONTINUOUS CONDUCTION 2 s/div A: SWITCH VOLTAGE (LX PIN), 5V/div +6V B: INDUCTOR ...
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Step-Down, Current-Mode PWM DC-DC Converters _______________________________________________________________________Pin Description PIN # 16-PIN WIDE SO NAME 8-PIN DIP/SO (MAX748A) SHDN REF OUT 6 10, 11 GND 7 12, 13, 14 ...
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Current-Mode PWM DC-DC Converters SHDN BIAS GEN OUT ERROR AMP C5 330pF CC 1.23V BANDGAP REF C6 1000pF 1M ±35 0.047 F GND Figure 1. Detailed Block Diagram with External Components FROM SHDN SS CLAMP SS 1M ±35% ...
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Step-Down, Current-Mode PWM DC-DC Converters Table 3. External Component Suppliers Production Method Surface Mount High Performance/ Miniature Through-Hole Through-Hole Phone and FAX Numbers: Coilcraft USA: (708) 639-6400, FAX: (708) 639-1469 Coiltronics USA: (305) 781-8900, FAX: (305) 782-4163 Matsuo USA: ...
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Current-Mode PWM DC-DC Converters INPUT MAX748A 3.3V TO 16. MAX763A 3.3V TO 11. SHDN MAX748A MAX763A 0.047 F GND REF 6 2 Figure 3. Standard 3.3V Step-Down Application Circuit Using Through-Hole Components ...
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Step-Down, Current-Mode PWM DC-DC Converters INPUT MAX748A 3.3V TO 16. MAX763A 3.3V TO 11. SHDN LX MAX748A MAX763A 5 OUT 0.047 F GND REF 1000pF ...
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Current-Mode PWM DC-DC Converters Figure 6. DIP PC Layout, Through-Hole Component Placement Diagram (1X Scale) Figure 8. DIP PC Layout, Solder Side (1X Scale) ______________________________________________________________________________________ 3.3V, Step-Down, Figure 7. DIP PC Layout, Component Side (1X Scale) Figure 9. DIP PC ...
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... N. Wide SO _Ordering Information (continued) PART TEMP. RANGE PIN-PACKAGE MAX763ACPA 0°C to +70°C 8 Plastic DIP MAX763ACSA 0°C to +70° MAX763AC/D 0°C to +70°C Dice* MAX763AEPA -40°C to +85°C 8 Plastic DIP MAX763AESA -40°C to +85° MAX763AMJA -55° ...