Description
IC CHIPS Integrated Circuits LT1764AEFE low dropout regulator
Advantages
- The LT®1764A is a low dropout regulator optimized forfast transient response.
- The device is capable of supplying3A of output current with a dropout voltage of 340mV.
- Operating quiescent current is 1mA, dropping to < 1μA inshutdown. Quiescent current is well controlled;
- it does notrise in dropout as it does with many other regulators.
- Inaddition to fast transient response, the LT1764A has verylow output voltage noise
- which makes the device ideal forsensitive RF supply applications.Output voltage range is from 1.21V to 20V.
- The LT1764Aregulators are stable with output capacitors as low as 10μF.Internal protection circuitry includes reverse battery pro-tection,
- current limiting, thermal limiting and reverse cur-rent protection.
- The device is available in fixed outputvoltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustabledevice with a 1.21V reference voltage.
- The LT1764A regu-lators are available in 5-lead TO-220 and DD packages, and16-lead FE packages
Specs
Optimized for Fast Transient Response
Output Current: 3A
Dropout Voltage: 340mV at 3A
Low Noise: 40
μ
V
RMS
(10Hz to 100kHz)
1mA Quiescent Current
Wide Input Voltage Range: 2.7V to 20V
No Protection Diodes Needed
Controlled Quiescent Current in Dropout
Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V
Adjustable Output from 1.21V to 20V
<1
μ
A Quiescent Current in Shutdown
Stable with 10
μ
F Output Capacitor*
Stable with Ceramic Capacitors*
Reverse Battery Protection
No Reverse Current
Thermal Limiting
