LP8340
www.ti.com SNVS221D – FEBRUARY 2003 – REVISED APRIL 2013 LP8340 Low Dropout, Low IQ, 1.0A CMOS Linear Regulator
Check for Samples: LP8340 FEATURES DESCRIPTION The LP8340 low-dropout CMOS linear regulator is
available in 5V, 3.3V, 2.5V, 1.8V and adjustable
output versions. Packaged in the 6ld WSON package
and 3ld PFM. The LP8340 can deliver up to 1.0A
output current. 1 2 В±1.5% Typical VOUT Tolerance
420mV Typical Dropout @ 1.0A (VO = 5V)
Wide Operating Range 2.7V to 10V
Internal 1.0A PMOS Output Transistor
19ВµA Typical Quiescent Current
Thermal Overload Limiting
Foldback Current Limiting
Zener Trimmed Bandgap Reference
Space Saving WSON package
Temperature Range
– LP8340C 0°C to 125°C
– LP8340I -40°C to 125°C Typical dropout voltage is 420mV at 1.0A for the 5.0V
version, 540mV at 1.0A for the 3.3V version, 670mV
at 1.0A for the 2.5V version and 680mV at 800mA for
the 1.8V version.
The LP8340 includes a zener trimmed bandgap
voltage reference, foldback current limiting and …