LTM4601AIV#PBF Linear Technology, LTM4601AIV#PBF Datasheet
LTM4601AIV#PBF
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LTM4601AIV#PBF Summary of contents
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... The onboard remote sense amplifi not available in the LTM4601A-1. L, LT, LTC, LTM and PolyPhase are registered trademarks of Linear Technology Corporation. μModule and UltraFast are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 5847554, 6304066, 6476589, 6580258, 6677210, 6774611 ...
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... ORDER INFORMATION LEAD FREE FINISH TRAY LTM4601AEV#PBF LTM4601AEV#PBF LTM4601AIV#PBF LTM4601AIV#PBF LTM4601AEV-1#PBF LTM4601AEV-1#PBF LTM4601AIV-1#PBF LTM4601AIV-1#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: http://www.linear.com/leadfree/ This product is only offered in trays ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER I Input Supply Bias Current Q(VIN,NOLOAD) I Input Supply Current S(VIN) INTV V = 12V, RUN > Output Specifi cations I Output Continuous Current Range ...
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LTM4601A/LTM4601A-1 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER SR Slew Rate R Input Resistance IN CMRR Common Mode Rejection Mode Control Stage V Error Amplifi er Input Voltage FB Accuracy V RUN Pin On/Off Threshold ...
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TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency vs Load Current with 5V IN 100 0.6V 65 OUT 1.2V OUT 60 1.5V OUT 2.5V OUT 55 3.3V OUT LOAD CURRENT (A) 4601A G01 ...
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LTM4601A/LTM4601A-1 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 OUT ...
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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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LTM4601A/LTM4601A-1 PIN FUNCTIONS (See Package Description for Pin Assignment) MARG1 (Pin D12): This pin is the MSB logic input for the margining function. Together with the MARG0 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 20V OUT C External Output Capacitor Requirement OUT (V = 4.5V to 20V OUT OPERATION Power Module Description The LTM4601A is a ...
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LTM4601A/LTM4601A-1 APPLICATIONS INFORMATION The typical LTM4601A application circuit is shown in Figure 18. External component selection is primarily determined by the maximum load current and output voltage. Refer to Table 2 for specifi c external capacitor requirements for a particular ...
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APPLICATIONS INFORMATION For a buck converter, the switching duty-cycle can be estimated as OUT V IN Without considering the inductor current ripple, the RMS current of the input capacitor can be estimated as OUT(MAX) = ...
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LTM4601A/LTM4601A-1 APPLICATIONS INFORMATION Multiphase operation with multiple LTM4601A devices in parallel will lower the effective output ripple current due to the interleaving operation of the regulators. For example, each LTM4601A’s inductor current of a 12V to 2.5V multiphase design can ...
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APPLICATIONS INFORMATION is frequency and m is the number of parallel phases. This calculation process can be easily fulfi lled using our Linear Technology μModule Design Tool. Fault Conditions: Current Limit and Overcurrent Foldback LTM4601A has a current mode controller, ...
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LTM4601A/LTM4601A-1 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 20V LOSS 3.0 12V LOSS 2.5 2.0 1.5 5V LOSS 1.0 0 LOAD CURRENT (A) Figure 7. 1.5V Power Loss 1.5V ...
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LTM4601A/LTM4601A-1 APPLICATIONS INFORMATION 12V , 1.5V 0LFM 2 IN OUT 12V , 1.5V 200LFM IN OUT 12V , 1.5V 400LFM IN OUT AMBIENT TEMPERATURE (°C) Figure 11. No Heat Sink ...
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APPLICATIONS INFORMATION Table 2. Output Voltage Response Versus Component Matrix (Refer to Figure 18 Load Step TYPICAL MEASURED VALUES C VENDORS PART NUMBER OUT1 TDK C4532X5R0J107MZ (100μF, 6.3V) TAIYO YUDEN JMK432BJ107MU-T ( 100μF, 6.3V) TAIYO YUDEN JMK316BJ226ML-T501 ...
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LTM4601A/LTM4601A-1 APPLICATIONS INFORMATION Table 3. 1.5V Output at 12A DERATING CURVE V (V) IN Figures Figures Figures Figures 10 Figures 10 Figures ...
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APPLICATIONS INFORMATION Tables 3 and 4 provide a summary of the equivalent θ for the noted conditions. These equivalent θ are correlated to the measured values, and are improved with air fl ow. The case temperature is maintained at 100°C ...
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LTM4601A/LTM4601A-1 APPLICATIONS INFORMATION Frequency Adjustment The LTM4601A 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 minimum off time at 4.5V input voltage. The off time should be about 500ns with 100ns guard band. The ...
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LTM4601A/LTM4601A-1 APPLICATIONS INFORMATION 4.5V TO 16V R2 100k PGOOD C2 10μF 25V 3 V OUT V IN 4.5V TO 20V R2 100k 100k PGOOD + C IN BULK C OPT IN 10μF 25V 3 CER 5% MARGIN ...
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APPLICATIONS INFORMATION V IN 4.5V TO 20V C1 0.1μF LTC6908 118k V OUT1 GND OUT2 3 4 SET MOD 2-PHASE OSCILLATOR *C5 OPTIONAL TO REDUCE ANY LC RINGING. LTM4601A/LTM4601A-1 V OUT ...
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LTM4601A/LTM4601A-1 TYPICAL APPLICATIONS 24 4601afb ...
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PACKAGE DESCRIPTION LTM4601A/LTM4601A 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 4601afb 25 ...
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LTM4601A/LTM4601A-1 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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... 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. LTM4601A/LTM4601A-1 Pin Assignment Table 6 (Arranged by Pin Function) ...
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... LGA Package 2.7V ≤ V ≤ 5.5V; 0.6V ≤ 9mm × 15mm × 2.8mm LGA Package This product contains technology licensed from Silicon Semiconductor Corporation. ● www.linear.com ≤ 5V, OUT ≤ 5V; OUT ® 4601afb LT 1108 REV B • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2007 ...