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MAX8863T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX8863T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page _______________General Description The MAX8863T/S/R and MAX8864T/S/R low-dropout lin- ear regulators operate from a +2.5V to +6.5V input range and deliver up to 120mA. A PMOS pass transis- tor allows the low, 80µA supply current to remain inde- pendent of load, making these devices ideal for battery-operated portable equipment such as cellular phones, cordless phones, and modems. The devices feature Dual Mode™ operation: their out- put voltage is preset (at 3.15V for the T versions, 2.84V for the S versions, or 2.80V for the R versions) or can be adjusted with an external resistor divider. Other fea- tures include low-power shutdown, short-circuit protec- tion, thermal shutdown protection, and reverse battery protection. The MAX8864 also includes an auto-dis- charge function, which actively discharges the output voltage to ground when the device is placed in shut- down mode. Both devices come in a miniature 5-pin SOT23-5 package. ________________________Applications Cordless Telephones Modems PCS Telephones Hand-Held Instruments Cellular Telephones Palmtop Computers PCMCIA Cards Electronic Planners ____________________________Features o Low Cost o Low, 55mV Dropout Voltage @ 50mA IOUT o Low, 68µA No-Load Supply Current Low, 80µA Operating Supply Current (even in dropout) o Low, 350µVRMS Output Noise o Miniature External Components o Thermal Overload Protection o Output Current Limit o Reverse Battery Protection o Dual Mode™ Operation: Fixed or Adjustable (1.25V to 6.5V) Output o Low-Power Shutdown Low-Dropout, 120mA Linear Regulators ________________________________________________________________ Maxim Integrated Products 1 SOT23-5 TOP VIEW GND OUT IN 1 5 SET SHDN MAX8863 MAX8864 2 3 4 __________________Pin Configuration MAX8863 MAX8864 OUT GND SET IN SHDN COUT 1µF CIN 1µF BATTERY OUTPUT VOLTAGE __________Typical Operating Circuit 19-0466; Rev 2; 11/98 PART MAX8863TEUK-T MAX8863SEUK-T MAX8864TEUK-T -40°C to +85°C -40°C to +85°C -40°C to +85°C TEMP. RANGE PIN- PACKAGE 5 SOT23-5 5 SOT23-5 5 SOT23-5 ______________Ordering Information SOT TOP MARK* AABE AABF AABG MAX8864SEUK-T -40°C to +85°C 5 SOT23-5 AABH Dual Mode is a trademark of Maxim Integrated Products. MAX8863REUK-T -40°C to +85°C 5 SOT23-5 AABV MAX8864REUK-T -40°C to +85°C 5 SOT23-5 AABW * Alternate marking information: CY_ _ = MAX8863T, CZ_ _ = MAX8863S, DA_ _ = MAX8864T, DB_ _ = MAX8864S For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. |
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