LTC3407EDD-2 Linear Technology, LTC3407EDD-2 Datasheet
LTC3407EDD-2
Specifications of LTC3407EDD-2
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LTC3407EDD-2 Summary of contents
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... In shutdown, the device draws <1μA. L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...
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... LTC3407IDD-2#TRPBF LTC3407EMSE-2#PBF LTC3407EMSE-2#TRPBF LTC3407IMSE-2#PBF LTC3407IMSE-2#TRPBF LEAD BASED FINISH TAPE AND REEL LTC3407EDD-2 LTC3407EDD-2#TR LTC3407IDD-2 LTC3407IDD-2#TR LTC3407EMSE-2 LTC3407EMSE-2#TR LTC3407IMSE-2 LTC3407IMSE-2#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V Feedback Voltage (Note 3) FB ΔV Reference Voltage Line Regulation LINE REG ΔV Output Voltage Load Regulation LOAD REG I Input DC Supply Current S Active Mode ...
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LTC3407-2 TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency vs Input Voltage 100 95 100mA 90 10mA 1mA 85 800mA 1.8V OUT 65 Burst Mode OPERATION CIRCUIT OF FIGURE INPUT VOLTAGE (V) ...
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TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency vs Load Current 100 95 3. 1.2V OUT Burst Mode OPERATION 65 NO LOAD ON OTHER CHANNEL CIRCUIT OF FIGURE 100 1000 ...
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LTC3407-2 BLOCK DIAGRAM REGULATOR 1 MODE/SYNC 6 + 0.6V EA – FB1 0.55V 0.65V SHUTDOWN RUN1 2 0.6V REF OSC 9 RUN2 REGULATOR 2 (IDENTICAL TO REGULATOR FB2 OPERATION The LTC3407-2 uses a constant-frequency, current ...
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OPERATION Low Current Operation Two modes are available to control the operation of the LTC3407-2 at low currents. Both modes automatically switch from continuous operation to the selected mode when the load current is low. To optimize effi ciency, the ...
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LTC3407-2 APPLICATIONS INFORMATION range of low current operation. In Burst Mode operation, lower inductance values will cause the burst frequency to increase. Inductor Core Selection Different core materials and shapes will change the size/ current and price/current relationship of an ...
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APPLICATIONS INFORMATION fer very low ESR, but have a lower capacitance density than other types. Tantalum capacitors have the highest capacitance density, but they have a larger ESR and it is critical that the capacitors are surge tested for use ...
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... Percent effi ciency can be expressed as: %Effi ciency = 100 ...) where L1, L2, etc. are the individual losses as a percent- age of input power. Hot Swap is a trademark of Linear Technology Corporation regulator OUT 34072fc ...
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APPLICATIONS INFORMATION Although all dissipative elements in the circuit produce losses, four main sources usually account for most of the losses in LTC3407-2 circuits switching losses losses, 4) other losses. 1. The V ...
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LTC3407-2 APPLICATIONS INFORMATION Design Example As a design example, consider using the LTC3407 portable application with a Li-Ion battery. The battery provides 2.8V to 4.2V. The load requires a maximum IN of 800mA in active ...
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TYPICAL APPLICATIONS 1.8V OUT2 AT 800mA C1, C2, C3: TAIYO YUDEN JMK316BJ106ML Low Ripple Buck Regulators Using Ceramic Capacitors RUN2 V RUN1 IN POR LTC3407-2 L2 ...
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LTC3407-2 TYPICAL APPLICATIONS 1.2mm Height Core Supply 5.5V C1* 4.7μF RUN2 MODE/SYNC LTC3407-2 L2 2.2μ 3.3V OUT2 SW2 AT 800mA C5, 22pF V FB2 887k 4.7μF 196k 2 C1, C2, ...
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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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Synchronous Step Down DC/DC Converter OUT LTC3414 4MHz, Synchronous Step Down DC/DC Converter OUT LTC3440 600mA (I ), 2MHz, Synchronous Buck-Boost DC/DC OUT Converter ThinSOT is a trademark of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● RUN2 V RUN1 10μ ...