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HT78XX -- 500mA TinyPowerTM LDO
General Description
The HT78XX series of positive, linear
regulators features low quiescent current (5mA
typ.) with low dropout voltage, making them ideal for battery
applications. The devices are capable of supplying 500mA of output
current continuously.
They are available with several fixed output
voltages ranging from 1.8V to 5.0V. Although designed primarily as
fixed voltage regulators, these devices can be used with external
components to obtain variable voltages and currents.
These rugged devices have Thermal Shutdown
and Current Limiting to prevent device failure under the "Worst" of
operating conditions.
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Features
- Output voltage ranges: Fixed range of 1.8V, 2.5V,
2.7V, 3.0V, 3.3V, 5.0V type.
- Highly accuracy: ±2%
- Low voltage drop: 360mV (typ.), VOUT=5.0V
at 500mA
- Guaranteed output current: 500mA
- Low quiescent current: 5mA
(typ.)
- Current limiting
- Over-temperature shutdown
- SOT-89, TO-92 Packages
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