LTC3406B Linear Technology, LTC3406B Datasheet
LTC3406B
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LTC3406B Summary of contents
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... The LTC3406 is available in a low profile (1mm) ThinSOT package. , LTC and LT are registered trademarks of Linear Technology Corporation. Burst Mode is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. ...
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LTC3406 LTC3406-1.5/LTC3406-1 ABSOLUTE AXI U RATI GS Input Supply Voltage .................................. – 0. RUN, V Voltages ..................................... – 0. Voltage .................................. – 0. P-Channel Switch Source Current (DC) ...
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ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature range, otherwise specifications are 3.6V unless otherwise specified. IN SYMBOL PARAMETER V RUN Threshold RUN I RUN Leakage Current RUN Note 1: Absolute Maximum ...
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LTC3406 LTC3406-1.5/LTC3406-1.8 TYPICAL PERFOR A CE CHARACTERISTICS (From Figure1a Except for the Resistive Divider Resistor Values) Oscillator Frequency vs Supply Voltage 1.8 1.7 1.6 1.5 1.4 1.3 1 SUPPLY VOLTAGE ( Temperature DS(ON) 0.7 ...
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TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1a Except for the Resistive Divider Resistor Values) Start-Up from Shutdown RUN 2V/DIV V OUT 2V/DIV I LOAD 500mA/DIV V = 3.6V 40 s/DIV 1.8V OUT I = 600mA ...
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LTC3406 LTC3406-1.5/LTC3406-1 CTIO AL DIAGRA OSC FREQ SHIFT OUT 5 0.6V LTC3406-1 550k FB LTC3406-1 540k V IN RUN 0.6V REF 1 SHUTDOWN ...
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U OPERATIO (Refer to Functional Diagram) Short-Circuit Protection When the output is shorted to ground, the frequency of the oscillator is reduced to about 210kHz, 1/7 the nominal frequency. This frequency foldback ensures that the in- ductor current has ...
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LTC3406 LTC3406-1.5/LTC3406-1 APPLICATIO S I FOR ATIO The basic LTC3406 application circuit is shown in Figure 1. External component selection is driven by the load require- ment and begins with the selection of L followed by C ...
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U U APPLICATIO S I FOR ATIO The selection driven by the required effective OUT series resistance (ESR). Typically, once the ESR requirement for C met, the RMS current rating generally far exceeds the I requirement. ...
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LTC3406 LTC3406-1.5/LTC3406-1 APPLICATIO S I FOR ATIO Although all dissipative elements in the circuit produce losses, two main sources usually account for most of the losses in LTC3406 circuits: V losses. The V quiescent current loss dominates ...
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U U APPLICATIO S I FOR ATIO The junction temperature where T is the ambient temperature example, consider the LTC3406 in dropout at an input voltage of ...
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LTC3406 LTC3406-1.5/LTC3406-1 APPLICATIO S I FOR ATIO 1 RUN LTC3406 2 GND – OUT OUT BOLD LINES INDICATE HIGH CURRENT PATHS Figure 5a. LTC3406 Layout Diagram VIA TO V PIN 1 ...
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U U APPLICATIO S I FOR ATIO For the feedback resistors, choose R1 = 316k. R2 can then be calculated from equation (2) to be: V OUT 1000 ...
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LTC3406 LTC3406-1.5/LTC3406-1.8 TYPICAL APPLICATIO S Single Li-Ion 1.2V/600mA Regulator for High Efficiency and Small Footprint 1.2V OUT ...
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... MAX 0.09 – 0.20 (NOTE 3) 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. LTC3406 LTC3406-1.5/LTC3406-1.8 2 ...
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... LTC3404 1.4MHz, 600mA (I Step-Down Regulator LTC3405/LTC3405A 1.5MHz, 300mA (I LTC3405A-1.5 Step-Down Regulators LTC3405A-1.8 LTC3406B 1.5MHz, 600mA (I LTC3406B-1.5 Step-Down Regulators LTC3406B-1.8 LTC3411 4MHz, 1.25A (I Step-Down Regulator LTC3412 4MHz, 2.5A (I Step-Down Regulator Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ...