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MAX1976AETA+T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX1976AETA+T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 10 page General Description The MAX1963A/MAX1976A low-dropout linear regula- tors operate from a +1.62V to +3.6V supply and deliver a guaranteed 300mA continuous load current with a low 100mV dropout. The high-accuracy (±0.5%) output voltage is preset to an internally trimmed voltage in the +0.75V to +3.0V range. An active-low, open-drain reset output remains asserted for at least 2.2ms (MAX1963A) or 70ms (MAX1976A) after the output voltage reaches regulation. These devices are offered in thin SOT23 and thin DFN packages. An internal pMOS pass transistor allows the low supply current to remain independent of load and dropout voltage, making these devices ideal for portable battery-powered equipment. Applications Notebook/Handheld Computers Cellular/Smart/PDA Phones DSC, CD/MP3 Players PCMCIA Cards Features o Low 1.62V Minimum Input Voltage o Guaranteed 300mA Output Current o ±2.5% Accuracy Over Load/Line/Temp o Low 100mV Dropout at 300mA Load o 2.2ms (MAX1963A) or 70ms (MAX1976A) RESET Output Flag o Supply Current Independent of Load and Dropout Voltage o Logic-Controlled Shutdown o Thermal-Overload and Short-Circuit Protection o Preset Output Voltages (0.75V to 3.0V) o Tiny 6-Pin Thin SOT23 Package (<1.1mm High) o TDFN Package (<0.8mm High) Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN ________________________________________________________________ Maxim Integrated Products 1 Ordering Information 19-3684; Rev 1; 5/12 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART* TEMP RANGE PIN-PACKAGE MAX1963AEZT_ _ _+T -40°C to +85°C 6 Thin SOT23-6 MAX1963AETT_ _ _+T -40°C to +85°C 6 TDFN-6 3mm x 3mm MAX1963AETA_ _ _+T -40°C to +85°C 8 TDFN-8 2mm x 2mm MAX1976AEZT_ _ _+T -40°C to +85°C 6 Thin SOT23-6 MAX1976AETT_ _ _+T -40°C to +85°C 6 TDFN-6 3mm x 3mm MAX1976AETA_ _ _+T -40°C to +85°C 8 TDFN-8 2mm x 2mm MAX1976AETT_ _ _/V+T -40°C to +85°C 6 TDFN-6 3mm x 3mm TOP VIEW TDFN 3mm x 3mm 12 3 65 4 MAX1963A MAX1976A GND RESET SHDN 1 + + + 6 OUT IN MAX1963A MAX1976A THIN SOT23 2 3 4 I.C. 5 TDFN 2mm x 2mm 12 3 4 87 6 5 MAX1963A MAX1976A Pin Configurations * Insert the desired three-digit suffix (see the Selector Guide) into the blanks to complete the part number. Contact the factory for other output voltages. Selector Guide appears at end of data sheet. MAX1963A MAX1976A INPUT 1.62V TO 3.6V COUT 4.7 µF ON OFF IN CIN 1 µF UP TO 300mA SHDN GND OUTPUT 0.75V TO 3.0V LOGIC SUPPLY 100k Ω TO µC OUT RESET Typical Operating Circuit + Denotes a lead(Pb)-free/RoHS-compliant package. /V denotes an automotive-qualified part. |
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