LTM4609IV#PBF Linear Technology, LTM4609IV#PBF Datasheet
LTM4609IV#PBF
Specifications of LTM4609IV#PBF
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LTM4609IV#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, Burst Mode and 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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... ORDER INFORMATION LEAD FREE FINISH PART MARKING* LTM4609EV#PBF LTM4609V LTM4609IV#PBF LTM4609V LTM4609MPV#PBF LTM4609V 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: This product is only offered in trays ...
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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 /V Reference Voltage Line Regulation ...
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LTM4609 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 BURST 10 DCM CCM 0 0.01 0.1 1 LOAD CURRENT (A) 4609 G01 Effi ciency vs Load Current ...
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LTM4609 TYPICAL PERFORMANCE CHARACTERISTICS Transient Response from 32V to 12V IN OUT I OUT 2A/DIV V OUT 100mV/DIV 4609 G10 200μs/DIV LOAD STEP CCM OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND 2x 180μF ELECTROLYTIC CAPS 2x ...
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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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LTM4609 SIMPLIFIED BLOCK DIAGRAM EXTV CC INTV CC PGOOD RUN ON/OFF STBYMD 0.1μF COMP SS SS 0.1μF PLLIN PLLFLTR FCB 1000pF SGND TO PGND PLANE AS SHOWN IN FIGURE 15 DECOUPLING REQUIREMENTS SYMBOL PARAMETER C External Input Capacitor Requirement IN ...
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OPERATION Power Module Description The LTM4609 is a non-isolated buck-boost DC/DC power supply. It can deliver a wide range output voltage from 0.8V to 34V over a wide input range from 4.5V to 36V, by only adding the sensing resistor, ...
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LTM4609 APPLICATIONS INFORMATION locked loop comprised of an internal voltage controlled oscillator and a phase detector. This allows turning on the internal top MOSFET for locking to the rising edge of the external clock. A pulse detection circuit is used ...
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APPLICATIONS INFORMATION This makes it advisable to properly derate the input capaci- tor, or choose a capacitor rated at a higher temperature than required. Always contact the capacitor manufacturer for derating requirements. Output Capacitors In boost mode, the discontinuous current ...
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LTM4609 APPLICATIONS INFORMATION In buck mode, the allowed maximum average load cur- rent is: 130mV Δ OUT(MAX,BUCK SENSE The maximum current sensing R SENSE mode is SENSE(MAX,BOOST) 2 • 160mV • V ...
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APPLICATIONS INFORMATION pin for turning off the controller. If the pin is left open or decoupled with a capacitor to ground, the SS pin is internally provided with a starting current, permitting external control for turning on the controller. If ...
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LTM4609 APPLICATIONS INFORMATION To choose a proper inductor, we need to know the current ripple at different input voltages. The inductor should be chosen by considering the worst case in the practi- cal operating region. If the maximum output power ...
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APPLICATIONS INFORMATION 0 12V OUT ƒ = 400kHz 1.5μH 0.6 2.5μH 0.4 3.3μH 4.7μH 0 INPUT VOLTAGE V IN Figure 4. Current Ripple Ratio at Different Inputs for Boost Mode Figure 4 ...
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LTM4609 APPLICATIONS INFORMATION Table 3. Typical Components (ƒ = 400kHz) C VENDORS PART NUMBER OUT1 TDK C4532X7R1E226M (22μF , 25V) INDUCTOR VENDORS PART NUMBER Toko FDA1254 Sumida CDEP134, CDEP145, CDEP147 OUT SENSE (V) (V) (0.5W RATING) ...
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... INDUCTOR MANUFACTURER WEBSITE Sumida www.sumida.com Toko www.toko.com 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 DC1198A at room temperature with natural convection. Poor board layout design may decrease the maximum load current. TYPICAL APPLICATIONS ...
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LTM4609 TYPICAL APPLICATIONS 3.0 2.5 2.0 1.5 1.0 0 16V WITH 0LFM IN OUT 5V TO 16V WITH 200LFM IN OUT 5V TO 16V WITH 400LFM IN OUT AMBIENT TEMPERATURE ...
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TYPICAL APPLICATIONS AMBIENT TEMPERATURE (°C) 36V TO 20V WITH 0LFM IN OUT 36V TO 20V WITH 200LFM IN OUT 36V TO 20V WITH 400LFM IN ...
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LTM4609 APPLICATIONS INFORMATION Layout Checklist/Example The high integration of LTM4609 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 ...
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TYPICAL APPLICATIONS V IN 12V TO 36V R1 1. 12V R1 1. Figure 17. Boost Mode Operation with 5V to 12V Input with Low Switching Noise (Optional) CLOCK SYNC 10μF 50V V ...
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LTM4609 TYPICAL APPLICATIONS 36V R1 1. Figure 18. Wide Input Mode with 5V to 36V Input, 12V at 4A Output 36V R1 1. CLOCK SYNC 10μF 50V ...
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TYPICAL APPLICATIONS 36V LTC6908-1 5.1V C1 ZENER 0.1μ OUT1 R4 GND OUT2 324k SET MOD 2-PHASE OSCILLATOR 10μF R5 50V V IN PGOOD 100k RUN LTM4609 COMP 200Ω INTV CC PLLFLTR 5.1V EXTV CC ...
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LTM4609 PACKAGE DESCRIPTION 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 4609fb ...
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... MP-grade part added. Refl ected throughout the data sheet. 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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... V ≤ 10V; 2.7V ≤ V ≤ 10V IN OUT ® Operation to 48A, LTM4601-1 Has No Remote ≤ 5V; 9mm × 15mm × 2.3mm OUT ≤ 5V; 9mm × 15mm × 2.8mm OUT LT 1010 REV B • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2009 ≤ 30V 4609fb ...