AME8805AEFTZ

AME8805/8813

General Instructions

The AME8805/8813 series of linear positive regulators feature low quiescent current (30 mA typical) and low decay voltage, making them ideal for battery applications. The space-saving SOT-89, SOT-223 and SOT-23 packs are attractive for "pocket" and "handheld" applications. These rugged devices have thermal shutdown, and current foldback to prevent device failure in "worst-case" operating conditions. The AME8805/8813 have a stable output capacitance of 2.2 degrees Fahrenheit or higher.

feature

very low voltage drop

Guaranteed 600MA output

Accurate to within 1.5%

30mA quiescent current

Over temperature shutdown

Limiting

short-circuit current foldback

Space saving SOT-89, SOT-223, SOT-23

Factory preset output voltage

Low temperature coefficient

Green products comply with RoHS standards

application

meter

Portable Electronic Devices

wireless device

cordless phone

PC peripherals

battery powered gadget

electronic scale

Detailed Description

The AME8805/8813 series of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, overcurrent protection and thermal shutdown. The P-channel pass transistor receives

Error amplifier, overcurrent shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference voltage. Overcurrent and Thermal Shutdown Circuit Activation

When the junction temperature exceeds 150oC, or the current exceeds 600 mA. During thermal shutdown, the output voltage remains low. resume normal operation

When the junction temperature drops below 120°C. The AME8805/8813 switches from voltage mode to current mode mode when the load exceeds the rated output current. This prevents excessive stress. American Express 8805/8813 also

Current foldback is used to reduce power dissipation when the output is shorted. This function becomes active when the output voltage drops below 0.8 volts and the current is reduced by 65%. Full current recovery when the voltage exceeds 0.8 volts.

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