MAX1626ESA Maxim Integrated Products, MAX1626ESA Datasheet
MAX1626ESA
Specifications of MAX1626ESA
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MAX1626ESA Summary of contents
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... Max Quiescent Current 1µA Max Shutdown Current Up to 300kHz Switching Frequency 16.5V Max Input Voltage Output Voltage: 5V/3.3V (MAX1626) Current-Limited Control Scheme ______________Ordering Information PART MAX1626C/D MAX1626ESA MAX1627C/D MAX1627ESA * Dice are tested at T __________Typical Operating Circuit INPUT 3.3V to 16.5V SHDN ON/OFF ...
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... V REF REF Load Regulation REF Line Regulation 2 _______________________________________________________________________________________ Operating Temperature Range MAX1626ESA/MAX1627ESA ............................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C = 0°C to +85°C, unless otherwise noted.) CONDITIONS Operating, no load V+ = SHDN = 16.5V (shutdown) Circuit of Figure 1, 3 (Note 1) ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ELECTRICAL CHARACTERISTICS (V+ = +3V to +16.5V, SHDN = 3 PARAMETER SYMBOL Input Voltage V+ Supply Current into V+ I OUT Undervoltage Lockout Output Voltage V OUT ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ____________________________Typical Operating Characteristics (continued) (Circuit of Figure +25°C, unless otherwise noted.) A MAX1626 SHUTDOWN CURRENT vs. TEMPERATURE 0.8 APPLICATION CIRCUIT A 0.7 SHUTDOWN CURRENT +15V ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ____________________________Typical Operating Characteristics (continued) (Circuit of Figure +25°C, unless otherwise noted.) A REFERENCE OUTPUT VOLTAGE vs. TEMPERATURE 1.310 1.305 REF ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ______________________________________________________________Pin Description PIN NAME MAX1626 MAX1627 1 1 OUT — 3/5 2 — SHDN 4 4 REF EXT 8 ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers _______________Detailed Description The MAX1626/MAX1627 are step-down DC-DC con- trollers designed primarily for use in portable comput- ers and battery-powered devices. Using an external MOSFET and current-sense resistor allows design flexi- bility ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers s/div CIRCUIT OF FIGURE 8V 5V, LOAD = 100mA OUT A: MOSFET DRAIN, 5V/div B: OUT, 50mV/div OFFSET C: ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers least 100 times FB’s input bias current. Capacitor C is used to compensate the MAX1627 for even switch- ing. Values between 0pF and 330pF work for many applications. See the Stability ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers With high inductor values, the MAX1626/MAX1627 will begin continuous-conduction operation at a lower frac- tion of the full load (see Detailed Description ). Low-value inductors may be smaller and less expensive, ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers Table 2. Component Suppliers COMPANY PHONE (803) 946-0690 AVX USA or (800) 282-4975 Coilcraft USA (847) 639-6400 Coiltronics USA (516) 241-7876 Dale USA (605) 668-4131 International USA (310) 322-3331 Rectifier IRC ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers current feedback signal and causing jitter. 0.47µF is recommended. Increase the value as necessary in high-power applications. Bypass REF with 0.1µF. This capacitor should be placed within 0.2 inches (5mm) of ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers INPUT LOW-ESR 68 F LOW-ESR TANTALUM TANTALUM V+ R SENSE MAX1627 0.15 N.C. OUT CS U1 LOGIC-LEVEL MOSFET SHDN P EXT REF GND ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers VIA VIAS VIA COMPONENT PLACEMENT GUIDE—COMPONENT SIDE COPPER ROUTING—BACK SIDE Figure 11. Recommended PC Board Design for 6A Step-Down Converter 14 ______________________________________________________________________________________ COPPER ROUTING—FRONT SIDE ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ___________________Chip Topography OUT GND GND 3/5 (FB) SHDN REF 0.081" (2.06mm ARE FOR MAX1627 TRANSISTOR COUNT: 375 SUBSTRATE CONNECTED TO V+ ______________________________________________________________________________________ EXT 0.105" (2.63mm ...
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Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ________________________________________________________Package Information ______________________________________________________________________________________ 0°-8° 0.101mm 0.004in Narrow SO SMALL-OUTLINE PACKAGE (0.150 in.) INCHES MILLIMETERS DIM MIN MAX MIN MAX A 0.053 ...