DC1245A Linear Technology, DC1245A Datasheet
DC1245A
Specifications of DC1245A
Related parts for DC1245A
DC1245A Summary of contents
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... Battery Operated Equipment n L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode, µModule and PolyPhase are registered trademarks and LTpowerCAD 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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LTM4616 absolute MaxiMuM ratings (Note ................................ –0. IN1 IN1 IN2 IN2 CLKOUT1, CLKOUT2 .................................... –0. PGOOD1, PLLLPF1, CLKIN1, PHMODE1, MODE1, PGOOD2, PLLLPF2, CLKIN2, PHMODE2, MODE2 ................................. –0.3V to ...
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T as each channel (Note 3). SYMBOL PARAMETER I Input Supply Bias Current Q(VIN1, VIN2) I Input Supply Current S(VIN1, VIN2) Output Specifications I I Output Continuous Current Range OUT1(DC), OUT2(DC) (Note 4) ...
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LTM4616 electrical characteristics operating temperature range (Note 2 each channel (Note 3). SYMBOL PARAMETER R R Resistor Between V FBHI1, FBHI2 OUT Pins ΔV PGOOD Range ΔV PGOOD1, PGOOD2 %Margining Output Voltage Margining Percentage Note 1: Stresses beyond ...
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Burst Mode Efficiency with 5V Input 100 1.5V OUT 2.5V OUT V = 3.3V OUT 40 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 LOAD ...
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LTM4616 typical perForMance characteristics Start-Up V OUT 0.5V/DIV V IN 2V/DIV 50µs/DIV 4616 G13 1.5V OUT C = 100µF NO LOAD AND 8A LOAD OUT (DEFAULT 100µs SOFT-START) 2.5V Output Current 3.0 2.5 2.0 ...
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Functions MODE1 and MODE2 (A8 and G8): Mode Select Input for Each Channel. Tying this pin high enables Burst Mode operation. Tying this pin low enables forced continuous operation. Floating this pin or tying pulse-skipping operation. ...
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LTM4616 siMpliFieD block DiagraM BSEL2 SV IN1 TRACK1 MGN1 V OUT1 BSEL1 PGOOD1 MODE1 RUN1 CLKIN1 CLKOUT1 PHMODE1 I TH1 50k PLLLPF1 I THM1 PGND1 SGND1 SV IN2 TRACK2 MGN2 V OUT2 BSEL2 PGOOD2 MODE2 RUN2 CLKIN2 CLKOUT2 PHMODE2 I ...
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DiagraM Table 1. Decoupling Requirements 25°C, Block Diagram Configuration. A SYMBOL PARAMETER C External Input Capacitor Requirement IN1 2.7V to 5.5V, V IN2 IN1 OUT1 (V = 2.7V to 5.5V, V IN2 OUT2 ...
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LTM4616 applications inForMation The typical LTM4616 application circuit is shown in Figure 18. External component selection is primarily determined by the maximum load current and output voltage. Refer to Table 3 for specific external capacitor requirements for a particular application. ...
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Table 3. Output Voltage Response Versus Component Matrix (Refer to Figure 18 Load Step TYPICAL MEASURED VALUES C VENDORS VALUE PART NUMBER OUT1 TDK 22µF, 6.3V C3216X7S0J226M Murata 22µF, 16V GRM31CR61C226K TDK 100µF, 6.3V C4532X5R0J107MZ ...
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LTM4616 applications inForMation peak current value in normal operation even though the voltage at the I pin indicates a lower value. The voltage TH at the I pin drops when the inductor’s average current TH is greater than the load ...
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CLKIN CLKOUT CLKIN CLKOUT PHMODE PHMODE PHASE 1 PHASE 3 0 120 +120 CLKIN CLKOUT CLKIN CLKOUT PHMODE PHMODE PHASE 1 PHASE 5 V OUT1 IN LTC6908-2 OUT2 90 210 +120 CLKIN CLKOUT CLKIN CLKOUT ...
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LTM4616 applications inForMation 0.60 0.55 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 Figure 4. Normalized Input RMS Ripple Current ...
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5.5V IN RUN 10µ RUN 10µF MASTER 3. 10k R TA 6.65k Output Voltage Tracking Output voltage tracking can be programmed externally using the TRACK pin. The output can ...
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LTM4616 applications inForMation range from 0V to 0.596V. The master’s TRACK pin slew rate is directly equal to the master’s output slew rate in Volts/Time: MR • 10k = where MR is the master’s output slew rate ...
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Thermal Considerations and Output Current Derating The power loss curves in Figures 7 and 8 can be used in coordination with the load current derating curves in Figures 9 to16 for calculating an approximate θ resistance for the ...
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LTM4616 applications inForMation 16 14 400 LFM 12 0 LFM 10 200 LFM 100 AMBIENT TEMPERATURE (°C) 4616 F09 Figure 3.3V IN OUT with No Heat Sink ...
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Table 4. 1.2V Output DERATING CURVE V (V) IN Figures 10, 13 3.3, 5 Figures 10, 13 3.3, 5 Figures 10, 13 3.3, 5 Figures 12, 15 3.3, 5 Figures 12, 15 3.3, 5 Figures 12, 15 3.3, ...
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LTM4616 applications inForMation Layout Checklist/Example The high integration of LTM4616 makes the PCB board layout very simple and easy. However, to optimize its electrical and thermal performance, some layout con- siderations are still necessary. • Use large PCB copper areas ...
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5.5V SW1 IN1 V IN1 SV IN1 10µF RUN1 PLLLPF1 MODE1 PHMODE1 TRACK1 5.5V IN2 V IN2 SV IN2 10µF RUN2 PLLLPF2 MODE2 PHMODE2 TRACK2 SW2 BSEL: HIGH = 10% FLOAT = ...
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LTM4616 applications inForMation 5.5V IN 10µF RUN ENABLE 10µF Figure 19. LTM4616 Two Outputs Parallel, 1.5V at 16A Design 22µF SHDNB 100k PGOOD2 100k PGOOD1 22 SW1 CLKIN1 CLKOUT1 CLKIN2 CLKOUT2 V IN1 SV ...
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IN1 3V TO 5.5V 10µF SV IN1 6.3V RUN1 PLLLPF1 MODE1 PHMODE1 TRACK INPUT TRACK1 IN2 10µF SV IN2 6.3V RUN2 PLLLPF2 MODE2 PHMODE2 TRACK2 V IN1 10µF SV IN1 6.3V ...
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LTM4616 applications inForMation 5.5V 10µF RUN ENABLE 10µF 3.3V 10k 3.16k 10µF 3.3V 10k 4.99k 10µF 3.3V 10k 6.65k Figure 22. 4-Phase, Four Outputs (3.3V, 2.5V, 1.8V and 1.5V) with Tracking 24 SW1 CLKIN1 CLKOUT1 CLKIN2 ...
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Description PIN NAME A1 GND1 A2 GND1 A3 GND1 A4 GND1 A5 GND1 A6 BSEL1 A7 CLKIN1 A8 MODE1 A9 PHMODE1 A10 MGN1 A11 PGOOD1 A12 GND1 PIN NAME G1 GND2 G2 GND2 G3 GND2 G4 GND2 G5 GND2 ...
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LTM4616 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 4616fc ...
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... Added Package Photo and updated Related Parts 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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... LGA Package OUT ≤ 5V; 9mm × 15mm × 2.8mm LGA Package OUT ≤ 36V; 9mm × 11.25mm × 2.8mm LGA Package IN LT 0211 REV C • PRINTED IN USA LINEAR TECHNOLOGY CORPORA TION 2008 4616fc ...