MAX40203AUK+T

MAX40203AUK+T is an ultra-tiny nanoPower, 1A ideal diode with ultra-low-voltage drop. It is an ideal diode current switch with a forward voltage drop that is approximately an order of magnitude smaller than that of Schottky diodes. During a short circuit or a fast power-up, the device limits its output current to 2A. The MAX40203 thermally protects itself and any downstream circuitry from overcurrent conditions. This ideal diode operates from a supply voltage of 1.2V to 5.5V. The supply current is relatively constant with the load current and is typically 300nA. When disabled (EN = low), the ideal diode blocks voltages up to 6V in either direction, making it suitable for use in most low-voltage, portable electronic devices. Applications include notebook and tablet computers, battery backup systems, powerline fault recorders, cellular phones, electronic toys, USB-powered peripherals, and portable medical devices.

• Lower voltage drop in portable applications
• Longer battery life, low leakage when reverse-biased from VDD
• Thermally self-protecting
• Forward voltage (VDD -VOUT) is 14mV typ at IFWD=1mA, VDD=+3.6V, VEN=VDD
• Thermal protection hysteresis is 14°C at VDD=+3.6V, VEN=VDD
• Turn-off reverse threshold is 26mV typ at (VOUT - VDD)
• Power-up delay is 450µs typ at VDD=+3.6V, VEN=VDD
• 5 SOT23 package
• Temperature rating range from -40°C to +125°C

Notas

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