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MAX1615

Maxim
Part Number MAX1615
Manufacturer Maxim
Description Low-Power Linear Regulators
Published May 6, 2005
Detailed Description 19-1225; Rev 2; 1/98 High-Voltage, Low-Power Linear Regulators for Notebook Computers ________________General Descripti...
Datasheet PDF File MAX1615 PDF File

MAX1615
MAX1615

Overview
19-1225; Rev 2; 1/98 High-Voltage, Low-Power Linear Regulators for Notebook Computers ________________General Description The MAX1615/MAX1616 are micropower, SOT23-5 linear regulators that supply always-on, keep-alive power to CMOS RAM and microcontrollers (µCs) in systems with high-voltage batteries.
Key features include wide input voltage range, low dropout voltage, and low quiescent supply current.
Despite a miserly 8µA (max) no-load supply current, the MAX1615/MAX1616 have excellent line-transient response and AC power-supply rejection ratio.
They provide a clean, fixed 5V or 3.
3V output (MAX1615) or an adjustable 1.
24V to 28V output (MAX1616), even when subjected to fast supply-voltage changes that occur during the switchover from battery to AC adapter input power.
The space-saving SOT23-5 package has excellent thermal characteristics and tolerates up to 571mW of power dissipation.
Fault protection is provided by internal foldback current limiting and thermalshutdown circuitry.
____________________________Features o 4V to 28V Input Range o 8µA (max) Quiescent Supply Current o <1µA Shutdown Supply Current o 3.
3V or 5V, Pin-Selectable Output (MAX1615) Adjustable 1.
24V to 28V Output (MAX1616) o 30mA Output Current o ±2% Initial Output Accuracy o Thermal-Overload Protection o 5-Pin SOT23 Package o Low Cost MAX1615/MAX1616 ________________________Applications CMOS/RTC Backup Power Microcontroller Power Notebook Computers Smart-Battery Packs PDAs and Handy-Terminals Battery-Powered Systems _______________Ordering Information PART TEMP.
RANGE PINSOT PACKAGE TOP MARK 5 SOT23-5 5 SOT23-5 ABZD ABZE MAX1615EUK-T -40°C to +85°C MAX1616EUK-T -40°C to +85°C ____________Typical Operating Circuit ___________________Pin Configuration TOP VIEW IN OUT OUTPUT VOLTAGE IN 1 COUT 4.
7µF 5/3 OUT 3 4 5/3 (FB) 5 SHDN MAX1615 BATTERY CIN 0.
1µF SHDN GND GND 2 MAX1615 MAX1616 SOT23-5 ( ) ARE FOR MAX1616.
________________________________________________________________ Maxim I...


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