LDOs Feature Small Size, Low Quiescent Current

Oct. 1, 2007
Catalyst Semiconductor's CAT6217 (150 mA) and CAT6218 (300 mA) low-dropout regulators suit low-noise, low-power applications.

The CAT6217 and CAT6218 low-dropout regulators (LDOs) from Catalyst Semiconductor Inc. source 150- and 300-mA output currents, respectively, in a tiny, five-lead, 1-mm profile thin SOT-23 package. The devices offer a low quiescent current of only 55 µA combined with a low typical dropout voltage of 90 mV at a 150-mA load for the CAT6217 and 180 mV at a 300-mA load for the CAT6218. Additionally, an external bypass capacitor reduces overall output noise, suiting the devices well for low-noise applications. Many LDOs incorporate a bypass capacitor, resulting in a slow "startup." However, Catalyst's LDOs are designed with a "quick start" feature that ensures a fast turnon time of less than 150 µs, further optimizing the devices for low-power applications.

The CAT6217 and CAT6218 eliminate battery drain when not in use by entering a "zero"-current shutdown mode. They also provide protection against short-circuit and thermal overload fault conditions. The CAT6217 is available in output voltages of 1.5, 1.8, 2.5, 2.8, 2.85, and 3.3 V. The CAT6218 offers output voltages of 1.8, 2.4, 2.7, 2.85, 3.0, 3.2, and 3.3 V.

PRICING AND AVAILABILITY
Samples are available now. Projected lead time for production quantities is six to eight weeks. The CAT6217 costs $0.20 and the CAT6218 is $0.23 each, both in quantities of 10,000. FOR MORE INFORMATION
Visit www.catsemi.com.

Sponsored Recommendations

TTI Transportation Resource Center

April 8, 2024
From sensors to vehicle electrification, from design to production, on-board and off-board a TTI Transportation Specialist will help you keep moving into the future. TTI has been...

Cornell Dubilier: Push EV Charging to Higher Productivity and Lower Recharge Times

April 8, 2024
Optimized for high efficiency power inverter/converter level 3 EV charging systems, CDE capacitors offer high capacitance values, low inductance (< 5 nH), high ripple current ...

TTI Hybrid & Electric Vehicles Line Card

April 8, 2024
Components for Infrastructure, Connectivity and On-board Systems TTI stocks the premier electrical components that hybrid and electric vehicle manufacturers and suppliers need...

Bourns: Automotive-Grade Components for the Rough Road Ahead

April 8, 2024
The electronics needed for transportation today is getting increasingly more demanding and sophisticated, requiring not only high quality components but those that interface well...

Comments

To join the conversation, and become an exclusive member of Electronic Design, create an account today!