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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... Industrial and Automotive Equipment n High Power Battery-Operated Devices L, LT, LTC, LTM, Linear Technology, the Linear logo and μModule are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 30V/2A Buck-Boost DC/DC μModule with 5V to 36V Input ...
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... LEAD FREE FINISH PART MARKING* LTM4609EV#PBF LTM4609V LTM4609IV#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. For more information go to: ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi ...
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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 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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... This is especially true at the higher input voltage range. Burst Mode is a registered trademark of Linear Technology Corporation. Operation Frequency Selection The LTM4609 uses current mode control architecture at constant switching frequency, which is determined by the internal oscillator’ ...
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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 ings are often based on temperature and hours of life. This makes it advisable to properly derate the input capacitor, or choose a capacitor rated at a higher temperature than required. Always contact the capacitor manufacturer for derating ...
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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 voltage <1.6V). In this mode, the onboard 6V linear regulator can provide power to keep-alive functions such as a keyboard controller. INTV and EXTV internal P-channel low dropout regulator produces 6V at the INTV ...
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LTM4609 APPLICATIONS INFORMATION at buck mode, we can get the current ripple ratio of the current ripple ΔI to the maximum inductor current I L follows: 2 ΔI (V – • OUT OUT = I ...
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APPLICATIONS INFORMATION 0.8 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 For the input capacitor, only minimum capacitors are needed ...
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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 12V R1 1. Figure 17. Boost Mode Operation with 5V to 12V Input with Low Switching Noise (Optional 36V R1 1. L1: TOKO FDA1254 Figure 18. ...
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LTM4609 TYPICAL APPLICATIONS 36V R1 1. 36V LTC6908-1 C1 0.1μ OUT1 R4 GND OUT2 324k SET MOD 2-PHASE OSCILLATOR 22 CLOCK SYNC 10μF 50V V PLLIN IN PGOOD ...
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... PACKAGE DESCRIPTION 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 bbb 6.9850 5.7150 4.4450 3 ...
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... High Effi ciency Buck-Boost DC/DC μModules LTM4606/LTM4612 Ultralow Noise DC/DC μModules LTM4608A 8A, Low V , DC/DC μModule trademark of Linear Technology Corporation. PolyPhase is a registered trademark of Linear Technology Corporation. SENSE 24 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...