Product category:
Power Supply ICs and Controllers
News Release from: Linear Technology Corp | Subject: LT3012 and LT3013 micropower LDOs
Edited by the Electronicstalk Editorial
Team on 14 September 2007
LDOs withstand 80V input up to 140C
Linear Technology's LT3012 and LT3013 micropower LDOs have low quiescent currents, making them suited to battery-powered applications.
Linear Technology has released high-temperature versions of the LT3012 and LT3013 micropower LDOs, with input voltage capability of up to 80V These H grade devices are offered in the TSSOP package and operate up to +140C, featuring dropout voltage of 360mV while delivering up to 200mA of output current
This article was originally published on Electronicstalk on 3 Oct 2008 at 8.00am (UK)
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The VIN capability of 3.3V to 80V and adjustable output from 1.24V up to 60V makes them suitable for automotive, 48V telecom backup supplies and industrial control applications.
The quiescent current of 40uA (operating) and 1uA (shutdown) makes them an excellent choice for battery-powered memory "keep alive" systems that require extended run times.
The LT3013's power good flag feature is programmable and indicates output regulation.
For high-voltage applications that require large input-to-output differentials, the LT3012 and LT3013 offer a very compact and thermally effective solution.
The thermally enhanced TSSOP package provides thermal resistances comparable to much larger conventional packages.
The LT3012 and LT3013 operate with very small, low -cost ceramic output capacitors.
They are stable with only a 3.3uF output capacitor, compared to older regulator devices of comparable output current and high voltage that required anywhere from 10uF to more than 100uF.
These tiny external capacitors can be used without any series resistance.
Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting, and reverse-current protection. Request a free brochure from Linear Technology Corp ...
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