LTC1148CS

switching regulator, 3.5μA, 3.5 to 20V, SOP

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Price:: US $3.00~3.00 / piece [Get Latest Price]

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Qty (lots)	Price/lot
5 ~ 2000 :	3.00 / Piece

PartNumber:: LTC1148CS

Brand:: Linear Technology - Linear | Pack: SOP | D/C: 09+

Availability:: Supply Ability: 2/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

Quantity:: piece

Total Price:: US $0

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Products Upload time: 2013-06-02

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Part Number:LTC1148CS
US $3.00 - 3.00
Quantity:

piece

Product Summary

The LTC1148CS is a high efficiency synchronous step-down switching regulator. It drives external complementary power MOSFETs at switching frequencies up to 250kHz using a constant off-time current-mode architecture providing constant ripple current in the inductor. The applications of the LTC1148CS include Notebook and Palmtop Computers, Portable Instruments, Battery-Operated Digital Devices, Cellular Telephones, DC Power Distribution Systems, GPS Systems.

Parametrics

LTC1148CS absolute maximum ratings: (1)input supply voltage: -0.3 to 16V; (2)continuous output current: 50mA; (3)sense voltage: -0.3 to 13V; (4)operating ambient temperature range: 0 to 70℃; (5)junction temperature: 125℃; (6)lead temperature: 300℃; (7)storage temperature range: -65 to 150℃.

Features

LTC1148CS features: (1)Ultrahigh Efficiency: Over 95% Possible; (2)Current-Mode Operation for Excellent Line and Load Transient Response; (3)High Efficiency Maintained Over Three Decades of Output Current; (4)Low 160mA Standby Current at Light Loads; (5)Logic Controlled Micropower Shutdown: IQ < 20mA; (6)Wide VIN Range: 3.5V to 20V; (6)Short-Circuit Protection; (7)Very Low Dropout Operation: 100% Duty Cycle; (8)Synchronous FET Switching for High Efficiency; (9)Adaptive Nonoverlap Gate Drives.