lt1945ems-trpbf Linear Technology Corporation, lt1945ems-trpbf Datasheet
lt1945ems-trpbf
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lt1945ems-trpbf Summary of contents
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... The LT1945’s low off-time of 400ns permits the use of tiny, low profile inductors and capacitors to minimize footprint and cost in space-conscious portable applications. , LTC and LT are registered trademarks of Linear Technology Corporation. D1 –20V 10mA 100pF ...
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... Note 3: Bias current flows out of the NFB1 pin. Note 4: Bias current flows into the FB2 pin. Note 5: See Figure 1 for Switcher 1 and Switcher 2 locations ORDER PART TOP VIEW NUMBER 1 10 SW1 2 9 PGND LT1945EMS PGND 5 6 SW2 MS PACKAGE MS PART MARKING LTTS ...
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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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LT1945 W BLOCK DIAGRA SHDN1 80k 80k A1 + ENABLE – Q1 400ns Q2 ONE-SHOT X10 R3 60k R4 V OUT1 280k R1 (EXTERNAL) NFB1 SWITCHER GND 3 ...
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U U APPLICATIO S I FOR ATIO Choosing an Inductor Several recommended inductors that work well with the LT1945 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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LT1945 U U APPLICATIO S I FOR ATIO For higher output voltages, the formula above will give large inductance values. For 20V converter (typical LCD bias application inductor is called for with the above ...
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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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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... A, OUT 5V A/300 <1 A, OUT 6V < Package OUT 6V < Package OUT 6V < Package OUT 6V < Package OUT Q SD 1945f LT/TP 0802 2K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2001 ...