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MAX8862

Maxim
Part Number MAX8862
Manufacturer Maxim
Description Low-Cost / Low-Dropout / Dual Linear Regulator
Published May 2, 2005
Detailed Description 19-1117; Rev 0; 8/96 Low-Cost, Low-Dropout, Dual Linear Regulator _______________General Description The MAX8862 low-co...
Datasheet PDF File MAX8862 PDF File

MAX8862
MAX8862

Overview
19-1117; Rev 0; 8/96 Low-Cost, Low-Dropout, Dual Linear Regulator _______________General Description The MAX8862 low-cost, low-dropout, dual linear voltage regulator is ideal for battery-powered and portable applications.
The regulators have independent supply inputs and provide 250mA and 100mA, respectively, with a full-load dropout voltage of 160mV.
Both regulators use P-channel MOSFET pass transistors and maintain low quiescent current independent of load current.
In dropout, the MOSFET does not suffer from excessive base currents, as do saturated PNP transistors.
The MAX8862 output voltage is preset to 4.
95V (L), 3.
175V (T), or 2.
85V (R).
This device employs Dual Mode™ operation, allowing user-adjustable outputs from +2V to +11V with external resistors.
The input supply-voltage range is 2.
5V to 11.
5V.
Other features include independent shutdown, power-good indicator, short-circuit and reverse-battery protection, and thermal shutdown.
The MAX8862’s regulators are ideal power supplies for the radio and the microcontroller (µC) used in digital, cordless, and PCS phones.
The main regulator is optimized for superior transient and dynamic response, while the secondary regulator exhibits low-output, wideband noise.
The MAX8862 comes in a 16-pin SO package with a lead frame that uses multiple GND pins as a heat sink for additional thermal dissipation.
____________________________Features o Low Cost o Guaranteed 250mA and 100mA Output Currents, with Current Limiting o Dual Mode Operation: Fixed or Adjustable Output from +2V to +11V o +2.
5V to +11.
5V Input Range o 160mV Dropout Voltage at 200mA Output Current o Low Supply Current—Even in Dropout 200µA Operating <1µA Shutdown o Power-Good Indicator o Reverse-Battery Protection o Thermal Overload Protection MAX8862 ______________Ordering Information PART* MAX8862_ESE TEMP.
RANGE -40°C to +85°C PIN-PACKAGE 16 Narrow SO *Insert the desired suffix letter (from the table below) into the blank to complete the part number.
S...


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