CD43-100 Linear Technology, CD43-100 Datasheet
CD43-100
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CD43-100 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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LT1945 ABSOLUTE AXI U RATI GS (Note SHDN1, SHDN2 Voltage ................................... 15V IN SW1, SW2 Voltage .................................................. 36V NFB1 Voltage ........................................................... –3V FB2 Voltage ...............................................................V Current into NFB1 Pin ........................................... –1mA Current into FB2 ...
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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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... Use the equations and recommenda- tions in the next few sections to find the correct inductance value for your design. Table 1. Recommended Inductors PART VALUE ( H) MAX DCR ( ) LQH3C4R7 4.7 0.26 LQH3C100 10 0.30 LQH3C220 22 0.92 CD43-4R7 4.7 0.11 CD43-100 10 0.18 CDRH4D18-4R7 4.7 0.16 CDRH4D18-100 10 0.20 DO1608-472 4.7 0.09 DO1608-103 10 0.16 DO1608-223 22 0.37 Inductor Selection—Boost Regulator ...
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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 ...