LTM4605EV#PBF Linear Technology, LTM4605EV#PBF Datasheet
LTM4605EV#PBF
Specifications of LTM4605EV#PBF
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LTM4605EV#PBF Summary of contents
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... Telecom, Servers and Networking Equipment n Industrial and Automotive Equipment n High Power Battery-Operated Devices L, LT, LTC, LTM, Linear Technology, the Linear logo, μModule ad PolyPhase are registered trademarks and trademark of Linear Technology Corporation. All other SENSE trademarks are the property of their respective owners. ...
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... Storage Temperature Range .................. –55°C to 125°C ORDER INFORMATION LEAD FREE FINISH PART MARKING* LTM4605EV#PBF LTM4605V LTM4605IV#PBF LTM4605V Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER Output Specifi cations I Output Continuous Current Range OUTDC (See Output Current Derating Curves for Different and T IN OUT ΔV /V Reference Voltage Line ...
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LTM4605 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER Control Section V Feedback Reference Voltage FB V RUN Pin ON/OFF Threshold RUN I Soft-Start Charging Current SS V Start-Up Threshold STBYMD(START) V Keep-Active Power On Threshold ...
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TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency vs Load Current 6V to 12V IN OUT 100 CCM 10 DCM BURST 0 0.01 0.1 1 LOAD CURRENT (A) 4605 G01 Effi ciency vs Load Current ...
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LTM4605 TYPICAL PERFORMANCE CHARACTERISTICS Start-Up with OUT V OUT 5V/DIV I IN 5A/DIV I L 5A/DIV 0.22μF SOFT-START CAP OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND 2x 180μF ELECTROLYTIC CAPS 2x 15mΩ SENSING RESISTORS Short ...
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PIN FUNCTIONS V (Bank 1): Power Input Pins. Apply input voltage be- IN tween these pins and PGND pins. Recommend placing input decoupling capacitance directly between V and PGND pins. V (Bank 5): Power Output Pins. Apply output load OUT ...
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LTM4605 SIMPLIFIED BLOCK DIAGRAM EXTV CC INTV CC PGOOD RUN ON/OFF STBYMD COMP INT COMP SS SS 0.1μF PLLIN PLLFLTR INT FILTER FCB DECOUPLING REQUIREMENTS SYMBOL PARAMETER C External Input Capacitor Requirement 4.5V to 20V ...
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OPERATION Power Module Description The LTM4605 is a non-isolated buck-boost DC/DC power supply. It can deliver a wide range output voltage from 0.8V to 16V over a wide input range from 4.5V to 20V, by only adding the sensing resistor, ...
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LTM4605 APPLICATIONS INFORMATION The PLLFLTR pin can be grounded to lower the frequency to 200kHz or tied to 2.4V to yield approximately 400kHz. When PLLFLTR is left open, the PLLFLTR pin goes low, forcing the oscillator to its minimum frequency. ...
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APPLICATIONS INFORMATION For a buck converter, the switching duty-cycle can be estimated as: V OUT Without considering the inductor current ripple, the RMS current of the input capacitor can be estimated as: I OUT(MAX ...
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LTM4605 APPLICATIONS INFORMATION R Selection and Maximum Output Current SENSE R is chosen based on the required inductor current. SENSE Since the maximum inductor valley current at buck mode is much lower than the inductor peak current at boost mode, ...
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APPLICATIONS INFORMATION output voltage falls by more than 70%, then the maximum output current is progressively lowered to about 30% of its full current limit value for boost mode and about 40% for buck mode. Standby Mode (STBYMD) The standby ...
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LTM4605 APPLICATIONS INFORMATION To set the output voltage at 12V, the resistor R pin to ground should be chosen as: 0.8V • 100k R = ≈ 7.15k FB V − 0.8V OUT To choose a proper inductor, we need to ...
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APPLICATIONS INFORMATION 0.6 1.5μH 0.4 2.5μH 3.3μH 0.2 4.7μ INPUT VOLTAGE V IN Figure 4. Current Ripple Ratio at Different Inputs for Boost Mode At boost mode, sensing resistor selection is based on the ...
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... SENSING RESISTOR MANUFACTURER WEBSITE Panasonic www.panasonic.com/industrial/components KOA www.koaspeer.com Vishay www.vishay.com *Maximum load current is based on the Linear Technology Demo board DC1198A at room temperature with natural convection. Poor board layout design may decrease the maximum load current VENDORS OUT2 Sanyo R VENDORS SENSE ...
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APPLICATIONS INFORMATION 16V IN OUT 12V OUTPUT CURRENT (A) Figure 5. 5V Power Loss ...
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LTM4605 APPLICATIONS INFORMATION No Heat Sink AMBIENT TEMPERATURE (°C) 20V TO 12V WITH 0LFM IN OUT 20V TO 12V WITH 200LFM IN OUT 20V TO 12V WITH ...
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APPLICATIONS INFORMATION Layout Checklist/Example The high integration of LTM4605 makes the PCB board layout very simple and easy. However, to optimize its electri- cal and thermal performance, some layout considerations are still necessary. • Use large PCB copper areas for ...
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LTM4605 TYPICAL APPLICATIONS V IN 12V TO 20V V IN 4.5V TO 12V 4.7μF 35V ON/OFF R1 1. 0.1μF Figure 15. Boost Mode Operation with 4.5V to 12V Input 20 CLOCK SYNC 10μF 35V V PLLIN x2 ...
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TYPICAL APPLICATIONS V IN 4.5V TO 20V 10μF 35V Figure 16. Wide Input Mode with 4.5V to 20V Input, 12V at 5A Output V IN 4.5V TO 20V R1 1. Figure 17. 5V ...
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LTM4605 TYPICAL APPLICATIONS V IN 4.5V TO 20V LTC6908-1 5.1V C1 ZENER 0.1μ OUT1 R4 GND OUT2 324k SET MOD 2-PHASE OSCILLATOR 15V 10μF 35V V PLLIN ×2 IN PGOOD ON/OFF RUN –5V LTM4605 ...
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PACKAGE DESCRIPTION Z Z bbb 6.9850 5.7150 4.4450 3.1750 1.9050 0.6350 0.0000 0.6350 1.9050 3.1750 4.4450 5.7150 6.9850 LTM4605 4605fc 23 ...
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LTM4605 PACKAGE DESCRIPTION PIN NAME A1 PGND A2 PGND A3 PGND + A4 SENSE – A5 SENSE SGND A8 RUN A9 FCB A10 STBYMD C10 PGND A11 PGND A12 PGND B1 PGND B2 PGND B3 PGND B4 ...
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... Updated the Related Parts section. 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. LTM4605 ...
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... R2 8mΩ 7.15k 4605 TA07 ™, 2.7V ≤ V ≤ 10V, 2.7V ≤ V SENSE IN OUT ® Operation to 48A, LTM4601-1 Version Has ≤ 5V, 9mm × 15mm × 2.3mm Package OUT LT 0111 REV C • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2007 ≤ 10V 4605fc ...