LT1945EMS#PBF

DC/DC converter, –1mA, 15V, LT1945EMS#PBF, Linear Technology

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Price:: US $0.90~2.10 / piece [Get Latest Price]

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	US $0.90~2.10

PartNumber:: LT1945EMS#PBF

Brand:: Linear Technology - Linear | Pack: DIP | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-08-16

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Part Number:LT1945EMS#PBF
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Product Summary

The LT1945EMS#PBF is a dual micropower DC/DC converter in a 10-pin MSOP package. Each converter is designed with a 350mA current limit and an input voltage range of 1.2V to 15V, making the LT1945EMS#PBF ideal for a wide variety of applications. Both converters feature a quiescent current of only 20μA at no load, which further reduces to 0.5μA in shutdown. A current limited, fixed off-time control scheme conserves operating current, resulting in high efficiency over a broad range of load current. The 36V switch allows high voltage outputs up to ±34V to be easily generated without the use of costly transformers. The applicaitons of the LT1945EMS#PBF are Small TFT LCD Panels, Handheld Computers, Battery Backup and Digital Cameras.

Parametrics

LT1945EMS#PBF absolute maximum ratings: (1)VIN, SHDN1, SHDN2 Voltage : 15V; (2)SW1, SW2 Voltage: 36V; (3)NFB1 Voltage: –3V; (4)FB2 Voltage: VIN; (5)Current into NFB1 Pin: –1mA; (6)Current into FB2 Pin: 1mA; (7)Junction Temperature: 125℃; (8)Operating Temperature Range: –40 to 85℃; (9)Storage Temperature Range: –65 to 150℃; (10)Lead Temperature (Soldering, 10 sec): 300℃.

Features

LT1945EMS#PBF features: (1)Generates Well-Regulated Positive and Negative Outputs; (2)Low Quiescent Current: 20μA in Active Mode (per Converter); <1μA in Shutdown Mode; (3)Operates with VIN as Low as 1.2V; (4)Low VCESAT Switch: 250mV at 300mA; (5)Uses Small Surface Mount Components; (6)High Output Voltage: Up to ±34V; (7)Tiny 10-Pin MSOP Package.