MAX1616 Datasheet
High-Voltage, Low-Power Linear Regulators for Notebook Computers
High-Voltage, Low-Power Linear Regulators for Notebook Computers
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The 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 MAX1616 have excellent line-transient response and AC power-supply rejection ratio. They provide a clean, 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 thermal-shutdown circuitry. The MAX1616 are now available in lead-free packages.