LTM4601HVIV#PBF Linear Technology, LTM4601HVIV#PBF Datasheet
LTM4601HVIV#PBF
Specifications of LTM4601HVIV#PBF
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LTM4601HVIV#PBF Summary of contents
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... L, LT, LTC, LTM, PolyPhase, μModule, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 5847554, 6580258, 6304066, 6476589, 6774611, 6677210 ...
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... LTM4601HVEV#PBF LTM4601HVEV#PBF LTM4601HVIV#PBF LTM4601HVIV#PBF 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 I Input Supply Current S(VIN) INTV V = 12V, RUN > Output Specifi cations I Output Continuous Current Range OUTDC (See Output Current Derating Curves ...
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LTM4601HV ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER Control Stage V Error Amplifi er Input Voltage FB Accuracy V RUN Pin On/Off Threshold RUN I Soft-Start Charging Current SS/TRACK t Minimum On Time ON(MIN) t ...
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TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency vs Load Current with 5V IN 100 0.6V OUT 70 1.2V OUT 1.5V OUT 65 2.5V OUT 3.3V OUT LOAD CURRENT (A) 4601HV G01 1.2V Transient ...
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LTM4601HV TYPICAL PERFORMANCE CHARACTERISTICS Start-Up OUT V OUT 0.5V/DIV I IN 0.5A/DIV 5ms/DIV V = 12V 1.5V OUT C = 470μF OUT 3 × 22μF SOFT-START = 10nF Step-Down Ratio IN ...
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PIN FUNCTIONS (See Package Description for Pin Assignment) 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 3): Power ...
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LTM4601HV PIN FUNCTIONS (See Package Description for Pin Assignment) MARG0 (Pin C12): This pin is the LSB logic input for the margining function. Together with the MARG1 pin will determine if margin high, margin low or no margin state is ...
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DECOUPLING REQUIREMENTS SYMBOL PARAMETER C External Input Capacitor Requirement 4.5V to 28V OUT C External Output Capacitor Requirement OUT (V = 4.5V to 28V OUT OPERATION Power Module Description The LTM4601HV is a ...
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LTM4601HV APPLICATIONS INFORMATION The typical LTM4601HV application circuits are shown in Figures 19 and 20. External component selection is primar- ily determined by the maximum load current and output voltage. Refer to Table 2 for specifi c external capacitor requirements ...
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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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LTM4601HV APPLICATIONS INFORMATION Multiphase operation with multiple LTM4601HV devices in parallel will lower the effective output ripple current due to the interleaving operation of the regulators. For example, each LTM4601HV’s inductor current of a 12V to 2.5V multiphase design can ...
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... APPLICATIONS INFORMATION f is frequency and m is the number of parallel phases. This calculation process can be easily fulfi lled using our Excel tool (Refer to the Linear Technology μModule Power Design Tool). Fault Conditions: Current Limit and Overcurrent Foldback LTM4601HV has a current mode controller, which inher- ently limits the cycle-by-cycle inductor current not only in steady-state operation, but also in transient ...
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LTM4601HV APPLICATIONS INFORMATION Run Enable The RUN pin is used to enable the power module. The pin has an internal 5.1V zener to ground. The pin can be driven with a logic input not to exceed 5V. The RUN pin ...
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APPLICATIONS INFORMATION 5.0 4.5 4.0 3.5 24V LOSS 3.0 12V LOSS 2.5 2.0 1.5 5V LOSS 1.0 0 OUTPUT CURRENT (A) Figure 7. 24V and 1.5V Power Loss ...
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LTM4601HV APPLICATIONS INFORMATION 0LFM 2 200LFM 400LFM AMBIENT TEMPERATURE (°C) Figure 13. 12V , 3. Heat Sink IN OUT 24V , 1.5V 0LFM 2 ...
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APPLICATIONS INFORMATION Table 2. Output Voltage Response Versus Component Matrix (Refer to Figure 20 Load Step TYPICAL MEASURED VALUES C VENDORS PART NUMBER OUT1 TDK C4532X5R0J107MZ (100UF,6.3V) TAIYO YUDEN JMK432BJ107MU-T ( 100μF, 6.3V) TAIYO YUDEN JMK316BJ226ML-T501 ( ...
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LTM4601HV APPLICATIONS INFORMATION Table 3. 1.5V Output at 12A DERATING CURVE V (V) IN Figures 9, 11 12, 24 Figures 9, 11 12, 24 Figures 9, 11 12, 24 Figures 10, 12 ...
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APPLICATIONS INFORMATION to 25°C inside the μModule with a thermal resistance θ from junction to case between 6°C/W to 9°C/W. This will maintain the maximum junction temperature inside the μModule below 125°C. Safety Considerations The LTM4601HV modules do not provide ...
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LTM4601HV APPLICATIONS INFORMATION Frequency Adjustment The LTM4601HV is designed to typically operate at 850kHz across most input conditions. The f open or decoupled with an optional 1000pF capacitor. The switching frequency has been optimized for maintaining constant output ripple noise ...
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APPLICATIONS INFORMATION Solution Lower the switching frequency at lower input voltages to allow for higher duty cycles, and meet the 400ns mini- mum off-time at 4.5V input voltage. The off-time should be about 500ns with 100ns guard band. The duty ...
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LTM4601HV APPLICATIONS INFORMATION 4.5V TO 16V R2 100k PGOOD C2 10μF 25V ×3 V OUT V IN 22V TO 28V R2 100k 100k PGOOD + C IN BULK C OPT IN 10μF 25V ×3 CER 5% MARGIN ...
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APPLICATIONS INFORMATION 28V + C1 0.1μF LTC6908 118k V OUT1 GND OUT2 3 4 SET MOD 2-PHASE OSCILLATOR C8 10μF 25V ×2 *C5 OPTIONAL TO REDUCE ANY LC RINGING. NOT ...
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LTM4601HV TYPICAL APPLICATIONS LTC6908-1 2-PHASE OSCILLATOR + V OUT1 C8 R1 GND OUT2 0.1μF 118k SET MOD 180° PHASE 3. 28V PLLIN 100k 100k IN PGOOD RUN COMP V OUT_LCL INTV DIFFV CC ...
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PACKAGE DESCRIPTION 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 Z Z bbb LTM4601HV 4601hvfa 25 ...
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LTM4601HV PACKAGE DESCRIPTION PIN NAME INTV CC A8 PLLIN A9 TRACK/SS B9 A10 RUN A11 COMP A12 MPGM PIN NAME G1 ...
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... H8 H9 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. Pin Assignment Tables (Arranged by Pin Function) ...
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... No Optocoupler Required; 3.3V, 12A Output; Simple Design Fast Transient Response Pin Compatible with the LTM4600 Pin Compatible with the LTM4601 This product contains technology licensed from Silicon Semiconductor Corporation. ● www.linear.com ® 4601hvfa LT 0809 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2007 ...