LTC3417AIFE-1#PBF Linear Technology, LTC3417AIFE-1#PBF Datasheet
LTC3417AIFE-1#PBF
Specifications of LTC3417AIFE-1#PBF
Related parts for LTC3417AIFE-1#PBF
LTC3417AIFE-1#PBF Summary of contents
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... In shutdown, the device draws <1μA. L, LT, LTC and LTM and Burst Mode are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 6144194. ...
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... LTC3417AIDHC-1#PBF LTC3417AIDHC-1#TRPBF LTC3417AEFE-1#PBF LTC3417AEFE-1#TRPBF LTC3417AIFE-1#PBF LTC3417AIFE-1#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. 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 Feedback Voltage FB1 FB2 ΔV Reference Voltage Line Regulation. %/V LINEREG is the Percentage Change in V Change ΔV Output Voltage Load ...
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LTC3417A-1 ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC3417AE-1 ...
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TYPICAL PERFORMANCE CHARACTERISTICS OUT1 Effi ciency vs Load Current 100 1.8V OUT Burst Mode OPERATION 70 PULSE SKIP FORCED 65 CONTINUOUS REFER TO FIGURE 4 60 0.001 0.01 0.1 ...
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LTC3417A-1 TYPICAL PERFORMANCE CHARACTERISTICS OUT2 DS(ON 27°C A 0.19 P-CHANNEL SWITCH 0.18 0.17 0.16 0.15 N-CHANNEL SWITCH 0. 2.5 3 3.5 4.5 V (V) IN 3417A-1 G16 PIN FUNCTIONS (DFN/TSSOP) ...
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PIN FUNCTIONS PHASE (Pin 14/Pin 17): Selects 1A regulator switching phase with respect to 1.5A regulator switching. Set the 1.5A regulator and the 1A regulator are in phase. IN When PHASE is at 0V, the 1.5A regulator ...
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LTC3417A-1 OPERATION The LTC3417A-1 uses a constant frequency, current mode architecture. Both channels share the same clock frequency. The PHASE pin sets whether the channels are running in-phase or out of phase. The operating frequency is determined by connecting the ...
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OPERATION Dropout Operation When the input supply voltage decreases toward the output voltage, the duty cycle increases to 100%. In this dropout condition, the PMOS switch is turned on continuously with the output voltage being equal to the input voltage ...
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LTC3417A-1 APPLICATIONS INFORMATION A reasonable starting point for setting ripple current is ΔI = 0.35I , where I L LOAD(MAX) LOAD(MAX) current output. The largest ripple, ΔI mum input voltage. To guarantee that the ripple current stays below a specifi ...
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APPLICATIONS INFORMATION When then the equation simplifi 1– RMS – V OUT IN OUT ( ) ...
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LTC3417A-1 APPLICATIONS INFORMATION In most cases, 0.1μF to 1μF of ceramic capacitors should also be placed close to the LTC3417A-1 in parallel with the main capacitors for high frequency decoupling. Ceramic Input and Output Capacitors Higher value, lower cost ceramic ...
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APPLICATIONS INFORMATION V RUN 2V/DIV V OUT 1V/DIV I L 1A/DIV V = 3.6V 200μs/DIV 1.8V OUT R = 0.9Ω L Figure 2. Digital Soft-Start OUT1 Soft-Start Soft-start reduces surge currents from V ally increasing the peak ...
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... Percent effi ciency can be expressed as: % Effi ciency = 100% – (P1 +…) where P1, P2, etc. are the individual losses as a percent- age of input power. Hot Swap is a trademark of Linear Technology Corporation. drops toward V , the load step capability OUT , causing a rapid drop in V ...
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APPLICATIONS INFORMATION Although all dissipative elements in the circuit produce losses, four main sources account for most of the losses in LTC3417A-1 circuits: 1) LTC3417A switching losses losses, 4) other losses. 1) The I current ...
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LTC3417A-1 APPLICATIONS INFORMATION The power dissipated by the part is • • DS(ON)1 2 DS(ON 1.5 • 0. • 0.163 PD = 366mW The ...
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APPLICATIONS INFORMATION V IN 2.25V TO 5.5V V OUT1 1.8V 1.5A C1 22pF R1 511k C OUT1 47μF L1: MIDCOM DUS-5121-1R5R C : KEMET C1210C226K8PAC OUT1 IN1 IN2 10μF 0.1μF 0.1μ IN1 IN2 POR ...
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LTC3417A-1 APPLICATIONS INFORMATION Board Layout Considerations When laying out the printed circuit board, the following checklist should be used to ensure proper operation of the LTC3417A-1. These items are also illustrated graphically in the layout diagram of Figure 5. Check ...
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... DIMENSIONS ARE IN 3. DRAWING NOT TO SCALE 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. DHC Package 16-Lead Plastic DFN (5mm × ...
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... Converter LTC3561 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter 2 LTC3562 Quad Interface, 600/600/400/400mA , 2.25MHz Synchronous Step-Down DC/DC Converter ThinSOT is a trademark of Linear Technology Corporation. 20 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● COMMENTS 96% Effi ciency 20μ ...