LTC3108IGN#PBF Linear Technology, LTC3108IGN#PBF Datasheet

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... Automatic Metering n Building Automation n Predictive Maintenance n L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Typical applicaTion Wireless Remote Sensor Application Powered From a Peltier Cell 1nF 1:100 ...

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... LTC3108EDE#TRPBF LTC3108IDE#PBF LTC3108IDE#TRPBF LTC3108EGN#PBF LTC3108EGN#TRPBF LTC3108IGN#PBF LTC3108IGN#TRPBF Consult LTC Marketing for parts specified for other fixed output voltages or wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: For more information on tape and reel specifications, go to: ...

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T PARAMETER Output Voltage V Quiescent Current OUT VAUX Quiescent Current LDO Output Voltage LDO Load Regulation LDO Line Regulation LDO Dropout Voltage LDO Current Limit V Current Limit OUT VSTORE ...

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LTC3108 Typical perForMance characTerisTics 0V OUT 1000 1:50 RATIO 4.7n 1:100 RATIO 1:20 RATIO 10n 100 100 V (mV and ...

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Typical perForMance characTerisTics and Source Resistance, VOUT IN 1:50 Ratio 10000 C1 = 4.7nF 1000 100 100 200 300 400 V OPEN-CIRCUIT (mV and TEG Size, VOUT 1:100 Ratio 10000 ...

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LTC3108 Typical perForMance characTerisTics Start-Up Voltage Sequencing V = 50mV IN 1:100 RATIO TRANSFORMER C = 220µF OUT CSTORE = 470µ 2.2µF LDO 10sec/DIV V Ripple OUT 30µA LOAD C = 220µF OUT 20mV/ DIV 100ms/DIV Enable Input ...

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FuncTions (DFN/SSOP) VAUX (Pin 1/Pin 2): Output of the Internal Rectifier Cir- cuit and V for the IC. Bypass VAUX with at least 1µ capacitance. An active shunt regulator clamps VAUX to 5.25V (typical). VSTORE (Pin 2/Pin ...

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LTC3108 block DiagraM C1 1:100 0.5 VAUX 1µF operaTion (Refer to the Block Diagram) The LTC3108 is designed to use a small external step-up transformer to create an ultralow input voltage ...

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Oscillator The LTC3108 utilizes a MOSFET switch to form a resonant step-up oscillator using an external step-up transformer and a small coupling capacitor. This allows it to boost input voltages as low as 20mV high enough to provide multiple ...

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LTC3108 operaTion In a typical application, a storage capacitor (typically a few hundred microfarads) is connected to V VAUX exceeds 2.5V, the V capacitor will be allowed to OUT charge up to its regulated voltage. The current available to charge ...

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Figure 1. Output Voltage Sequencing with V VSTORE (V) PGD (V) V (V) OUT VLDO (V) VAUX ( ...

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LTC3108 applicaTions inForMaTion Introduction The LTC3108 is designed to gather energy from very low input voltage sources and convert it to usable output volt- ages to power microprocessors, wireless transmitters and analog sensors. Such applications typically require much more peak ...

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Peltier cell is referred thermoelectric generator (TEG). The low voltage capability of the LTC3108 design allows it to operate from a TEG with temperature differentials as low as 1°C, making it ideal ...

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LTC3108 applicaTions inForMaTion Thermopile Generator Thermopile generators (also called powerpile generators) are made number of series-connected thermo- couples enclosed in a metal tube. They are commonly used in gas burner applications to generate a DC output of ...

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C1 Capacitor The charge pump capacitor that is connected from the transformer’s secondary winding to the C1 pin has an ef- fect on converter input resistance and maximum output current capability. Generally, a minimum value of 1nF is ...

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LTC3108 applicaTions inForMaTion The VSTORE capacitor may be of very large value (thou- sands of microfarads or even Farads), to provide holdup at times when the input power may be lost. Note that this capacitor can charge all the way ...

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LTC3108 will also be shown. In this example set to 3.3V, and the maximum OUT allowed voltage droop during a transmit ...

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LTC3108 applicaTions inForMaTion duration of the burst and T is the period of the transmit burst rate (essentially the time between bursts). In this example 5µ 100mA 5ms and Q BURST T = one ...

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Typical applicaTions Li-Ion Battery Charger and LDO Powered by a Solar Cell + + SOLAR CELL* – " DIAMETER MONOCRYSTALLINE CELL LIGHT LEVEL ≥ 900 LUX T1: COILCRAFT LPR6235-253PML Supercapacitor Charger and LDO Powered by a Thermopile Generator ...

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LTC3108 package DescripTion .254 MIN .0165 .0015 RECOMMENDED SOLDER PAD LAYOUT .007 – .0098 (0.178 – 0.249) .016 – .050 (0.406 – 1.270) NOTE: 1. CONTROLLING DIMENSION: INCHES 2. DIMENSIONS ARE IN (MILLIMETERS) 3. DRAWING NOT TO SCALE 0.70 0.05 ...

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... Updated Typical Applications Updated Related Parts 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC3108 ...

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... I < 1µA; SC70 Package OUT(MIN) MAX Fixed to 1.8V, 2.5V, 3.3V, 3.6V 0.95µA; OUT(MIN 0.8V to Adj, 3.3V Fixed, 5V Fixed; MAX OUT(MIN) = 40V ; I = 8.5µA; I < 1µA; OUT(MIN) MAX 0410 REV A • PRINTED IN USA  LINEAR TECHNOLOGY CORPORATION 2010 3108fa ...