LT1944EMS Linear Technology, LT1944EMS Datasheet
LT1944EMS
Specifications of LT1944EMS
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LT1944EMS Summary of contents
Page 1
... The LT1944’s low off-time of 400ns permits the use of tiny, low profile inductors and capaci- tors to minimize footprint and cost in space-conscious portable applications. , LTC and LT are registered trademarks of Linear Technology Corporation 80mA ...
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... 1.2V SHDN = 0V < 12V IN = 1.23V > 1V < 0.6V = 300mA = 1. ORDER PART TOP VIEW NUMBER 1 10 SW1 2 9 PGND LT1944EMS PGND 5 6 SW2 MS10 PART MS10 PACKAGE MARKING = 125 C, = 160 C/W JA LTTR = 1.2V unless otherwise noted. MIN TYP MAX 20 1.205 1.23 1.255 8 0.05 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Switch Saturation Voltage (V ) CESAT 0.60 0.55 0.50 0. 500mA SWITCH 0.40 0.35 0. 300mA SWITCH 0.25 0.20 0.15 0.10 –50 – TEMPERATURE ( ...
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LT1944 W BLOCK DIAGRA SHDN1 40k 40k A1 + ENABLE V OUT1 – R1 (EXTERNAL) FB1 Q1 400ns Q2 1 ONE-SHOT X10 R2 (EXTERNAL) R3 30k R4 140k GND 3 U ...
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U U APPLICATIO S I FOR ATIO Choosing an Inductor Several recommended inductors that work well with the LT1944 are listed in Table 1, although there are many other manufacturers and devices that can be used. Consult each manufacturer for ...
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LT1944 U U APPLICATIO S I FOR ATIO limited to 350mA, the power switch of the LT1944 can handle larger currents without problem, but the overall efficiency will suffer. Best results will be obtained when I is kept below 700mA ...
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... INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Micropower DC/DC Converter in 5-Lead SOT-23 LT1617 Micropower Inverting DC/DC Converter in 5-Lead SOT-23 LT1930A 2.2MHz Boost DC/DC Converter in SOT-23 Burst Mode is a registered trademark of Linear Technology Corporation Linear Technology Corporation 8 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 Four Output Power Supply for Color LCD Displays C6 2 ...