Electronicdesign 4446 Xl 05 Linear Tech 3
Electronicdesign 4446 Xl 05 Linear Tech 3
Electronicdesign 4446 Xl 05 Linear Tech 3
Electronicdesign 4446 Xl 05 Linear Tech 3
Electronicdesign 4446 Xl 05 Linear Tech 3

Step-Down Controller Sports Wide Operating Temperature Range

March 4, 2011
The H- and MP-grade versions of the LTC3890/-1 high-voltage, dual-output synchronous step-down DC/DC controller draws 50µA when one output is active and 60 µA when both outputs are enabled.

The H- and MP-grade versions of the LTC3890/-1 high-voltage, dual-output synchronous step-down DC/DC controller draws 50µA when one output is active and 60 µA when both outputs are enabled. The 4V to 60V input supply range protects against high-voltage transients, continue operation during automotive cold crank, and cover a broad range of input sources and battery chemistries. Each output can be set from 0.8V to 24V at output currents up to 20A with efficiencies as high as 95%. Of note, the H- and MP-grade devices specify an operating junction temperature range from -40°C to +150°C and -55°C to +150°C, respectively. LINEAR TECHNOLOGY CORP., Milpitas, CA. (800) 454-6327.

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