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MAX1615EUK+T
High-Voltage, Low-Power Linear Regulators for Notebook Computers
线性稳压器 Linear Regulator for Notebooks
Features MAX1615EUK+T
♦ 4V to 28V Input Range
♦ 8μA (max) Quiescent Supply Current
♦ <1μA Shutdown Supply Current
♦ 3.3V or 5V, Pin-Selectable Output (MAX1615)
Adjustable 1.24V to 28V Output (MAX1616)
♦ 30mA Output Current
♦ ±2% Initial Output Accuracy
♦ Thermal-Overload Protection
♦ 5-Pin SOT23 Package
♦ Low Cost
Applications MAX1615EUK+T
CMOS/RTC Backup Power
Microcontroller Power
Notebook Computers
Smart-Battery Packs
PDAs and Handy-Terminals
Battery-Powered Systems
General Description MAX1615EUK+T
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. The MAX1615/MAX1616 are now available in lead-free packages.
MAX1615EUK+T
MAXIM(美信)
3.3 V, 5 V
30 mA
- 40 ℃
85 ℃