LTM4615EV#PBF Linear Technology, LTM4615EV#PBF Datasheet
LTM4615EV#PBF
Specifications of LTM4615EV#PBF
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LTM4615EV#PBF Summary of contents
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... Low Noise Applications n FPGA, SERDES Power L, LT, LTC, LTM, Linear Technology, the Linear logo and μModule are registered trademarks of Linear Technology Corporation. VLDO is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 6724174 ...
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... Storage Temperature Range ................... –55°C to 125°C ORDER INFORMATION LEAD FREE FINISH TRAY LTM4615EV#PBF LTM4615EV#PBF LTM4615IV#PBF LTM4615IV#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 ...
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ELECTRICAL CHARACTERISTICS operating temperature range, otherwise specifi cations are at T Per Typical Application Figure 12. SYMBOL PARAMETER I Input Inrush Current at Start-Up INRUSH(VIN) I Input Supply Bias Current Q(VIN) I Input Supply Current S(VIN) I Output Continuous Current ...
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LTM4615 ELECTRICAL CHARACTERISTICS operating temperature range, otherwise specifi cations are at T Per Typical Application Figure 12. SYMBOL PARAMETER V FB3 Internal Reference Voltage FB3 V Output Voltage Range LDO_OUT V Dropout Voltage DO LDO_RHI LDO Top Feedback Resistor I ...
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TYPICAL PERFORMANCE CHARACTERISTICS Switching Regulators Effi ciency vs Output Current V = 2.5V IN 100 1.8V OUT V = 1.5V OUT 1.2V OUT V = 0.8V OUT ...
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LTM4615 TYPICAL PERFORMANCE CHARACTERISTICS Start-Up V OUT 1V/DIV I IN 1A/DIV 4615 G10 200μs/DIV 2.5V OUT C = 100μF OUT NO LOAD (0.01μF SOFT-START CAPACITOR) Current Limit Foldback 1.6 1.4 1.2 1.0 0.8 0.6 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Ripple Rejection BOOST3 V = 1.5V LDO_IN V =1.2V LDO_OUT 800mA OUT C = 10μF OUT 0 100 1000 10000 100000 1000000 1E+07 FREQUENCY (Hz) ...
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LTM4615 PIN FUNCTIONS (J1-J5, K1-K5); (C1-C6, D1-D5): Power Input IN1 IN2 Pins. Apply input voltage between these pins and GND pins. Recommend placing input decoupling capacitance directly between V pins and GND pins ...
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SIMPLIFIED BLOCK DIAGRAM PGOOD RUN/SS C SSEXT 4.99k TRACK TRACK SUPPLY COMP 5.76k INTERNAL COMP LDO_IN V IN 1.14V TO 3.5V 10μF EN3 Figure 1. Simplifi ed LTM4615 Block Diagram of Each Switching Regulator Channel and the VLDO DECOUPLING REQUIREMENTS ...
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... The LTM4615 is internally compensated to be stable over the operating conditions. Table 4 provides a guideline for input and output capacitance for several operating condi- tions. The Linear Technology μModule Power Design Tool will be provided for transient and stability analysis. The FB pins are used to program the specifi c output volt- age with a single resistor to ground ...
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APPLICATIONS INFORMATION Dual Switching Regulator The typical LTM4615 application circuit is shown in Figure 12. External component selection is primarily determined by the maximum load current and output voltage. Refer to Table 4 for specifi c external capacitor requirements for ...
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LTM4615 APPLICATIONS INFORMATION Fault Conditions: Current Limit and Overcurrent Foldback The LTM4615 has current mode control, which inher- ently limits the cycle-by-cycle inductor current not only in steady-state operation, but also in transient. Along with foldback current limiting in the ...
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... This pin is the external compensation pin. The module has already been internally compensated for all output voltages. Table 4 is provided for most application requirements. The Linear Technology μModule Power Design Tool will be provided for other control loop optimization. The COMP pins must be tied together in parallel operation. ...
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LTM4615 APPLICATIONS INFORMATION VLDO SECTION Adjustable Output Voltage The output voltage is set by the ratio of two resistors. A 4.99k resistor is built onboard the module from LDO_OUT to FB3. An additional resistor (R FBLDO to GND3 to set ...
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TYPICAL APPLICATIONS Thermal Considerations and Output Current Derating The power loss curves in Figures 5 and 6 can be used in coordination with the load current derating curves in Figures 7 to10 for calculating an approximate θ resistance for the ...
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LTM4615 APPLICATIONS INFORMATION 4 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0LFM NO HEATSINK 0.5 200LFM NO HEATSINK 400LFM NO HEATSINK AMBIENT TEMPERATURE (°C) Figure 7. 1.2V No Heat ...
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APPLICATIONS INFORMATION Table 2. 1.2V Output DERATING CURVE V (V) POWER LOSS CURVE IN Figure 7 5 Figure 7 5 Figure 7 5 Figure 8 5 Figure 8 5 Figure 8 5 Table 3. 3.3V Output DERATING CURVE V (V) ...
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LTM4615 APPLICATIONS INFORMATION Safety Considerations The LTM4615 modules do not provide isolation from There is no internal fuse. If required, a slow blow fuse OUT with a rating twice the maximum input current needs to be provided ...
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APPLICATIONS INFORMATION PGOOD1 R3 10k V OUT1 1.2V 4A 100μF 22μF 6.3V 6.3V L1 0.2μH* C OUT1 1.2V 22μF 6.3V C12 R FB1 10μF 10k *FAIR-RITE 0805 2508056007Y6 IF MORE FILTERING REQUIRED Figure 12. Typical 3V to 5.5V Table 4. ...
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LTM4615 APPLICATIONS INFORMATION C1 10μF PGOOD1 6.3V R3 10k PGOOD1 1.2V V FB2 FB1 COMP2 COMP1 V TRACK1 IN L1* RUN/SS2 RUN/SS1 0.2μH 1.2V LDO_IN EN3 BOOST3 C12 R1 10μF 4.99k *FAIR-RITE 0805 2508056007Y6 IF MORE FILTERING REQUIRED Figure 13. ...
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APPLICATIONS INFORMATION 10k V SLAVE OUT1 2. 4.99k 22μF 3.3V 6. 22μF 22μF 6.3V 6. FB1 2.37k 2.37k Figure 14. 3.3V and 2. with Output Voltage Tracking Design, 1.8V at ...
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LTM4615 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 4615f ...
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... H12 GND1 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. LTM4615 Component LGA Pinout ...
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... DC/DC Step-Down μModule IN LTM8022 High V 1A DC/DC Step-Down μModule IN LTM8023 High V 2A DC/DC Step-Down μModule IN PolyPhase is a registered trademark of Linear Technology Corporation. 24 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● COMMENTS 4.5V ≤ V ≤ 28V, 0.6V ≤ Guaranteed Operation from – ...