DC1083A-A Linear Technology, DC1083A-A Datasheet
DC1083A-A
Specifications of DC1083A-A
Related parts for DC1083A-A
DC1083A-A Summary of contents
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... The onboard remote sense amplifier is not available in the LTM4603-1. The LTM4603/LTM4603-1 are pin compatible with the 12A LTM4601/LTM4601-1. L, LT, LTC, LTM, Linear Technology, the Linear logo, 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. ...
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LTM4603/LTM4603-1 absolute MaxiMuM ratings (Note 1) INTV , DRV , OUT_LCL OUT with Remote Sense Amp)............................. –0. PLLIN, TRACK/SS, MPGM, MARG0, MARG1, PGOOD, f ..............................–0.3V to INTV SET RUN ............................................................. –0.3V to ...
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T configuration. SYMBOL PARAMETER I Input Supply Bias Current Q(VIN,NOLOAD) I Input Supply Current S(VIN) INTV V = 12V, RUN > Output Specifications I Output Continuous ...
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LTM4603/LTM4603-1 electrical characteristics operating temperature range (Note 2), otherwise specifications are at T configuration. SYMBOL PARAMETER R Input Resistance IN CMRR Common Mode Rejection Ratio Control Stage V Error Amplifier Input Voltage FB Accuracy V RUN Pin On/Off Threshold RUN ...
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Efficiency vs Load Current with 5V IN 100 0.6V IN OUT 1.2V IN OUT 5V , 1.5V IN OUT 1.8V IN OUT 5V ...
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LTM4603/LTM4603-1 typical perForMance characteristics Start-Up OUT V OUT 0.5V/DIV I IN 0.5A/DIV 4603 G09 V = 12V 1ms/DIV 1.5V OUT C = 1× 22µF , 6.3V CERAMIC OUT 1× 330µ SANYO POSCAP ...
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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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LTM4603/LTM4603-1 pin Functions (See Package Description for Pin Assignment) f (Pin B12): Frequency Set Internally to 1MHz. An SET external resistor can be placed from this pin to ground to increase frequency. See the Applications Information section for frequency adjustment. ...
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DiagraM V OUT_LCL V IN >1. <1V = OFF R1 MAX = 5V RUN UVLO FUNCTION PGOOD R2 COMP INTERNAL COMP SGND MARG1 MARG0 SET SET 40.2k MPGM TRACK/SS PLLIN C SS ...
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LTM4603/LTM4603-1 operation Power Module Description The LTM4603 is a standalone nonisolated switching mode DC/DC power supply. It can deliver output current with few external input and output capacitors. This module provides precisely regulated output voltage ...
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The typical LTM4603 application circuit is shown in Fig- ure 18. External component selection is primarily deter- mined by the maximum load current and output voltage. Refer to Table 2 for specific external capacitor requirements for a particular ...
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LTM4603/LTM4603-1 applications inForMation or choose a capacitor rated at a higher temperature than required. Always contact the capacitor manufacturer for derating requirements. In Figure 18, the 10µF ceramic capacitors are together used as a high frequency input decoupling capacitor. In ...
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Figure 4. Normalized Output Ripple Current vs Duty Cycle, Dlr = V Figure ...
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LTM4603/LTM4603-1 applications inForMation control the ramp of the internal reference and the output voltage. The total soft-start time can be calculated as 0.8 • 0.6V ± V SOFTSTART OUT(MARGIN) When the RUN pin falls below 1.5V, then ...
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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 can ...
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LTM4603/LTM4603-1 applications inForMation 3.5 3.0 20V IN 2.5 12V IN 2.0 1 1.0 0 LOAD CURRENT (A) 4603 F07 Figure 7. 1.5V Power Loss ...
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Table 2. Output Voltage Response Versus Component Matrix (Refer to Figure 18) TYPICAL MEASURED VALUES C VENDORS PART NUMBER OUT1 TAIYO YUDEN JMK316BJ226ML-T501 (22µF , 6.3V) TAIYO YUDEN JMK325BJ476MM-T (47µF , 6.3V) TDK C3225X5R0J476M (47µF , 6.3V) V ...
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LTM4603/LTM4603-1 applications inForMation Table 3. 1.5V Output DERATING CURVE V (V) IN Figures Figures Figures Figures 10 Figures 10 Figures 10, 12 ...
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The case temperature is maintained at 100°C or below for the derating curves. This allows for 4W maximum power dissipation in the total module with top and bottom heat sinking, and 2W ...
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LTM4603/LTM4603-1 applications inForMation Example for 5V Output LTM4603 minimum on-time = 100ns t = [(V • 10pF)/I ], for V ON OUT fSET LTM4603 minimum off-time = 400ns – where t = 1/Frequency OFF ON ...
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10V TO 20V R2 100k 5% MARGIN R1 C2 392k 10µF 1% 25V C1 10µF 25V IMPROVE EFFICIENCY FOR ≥12V INPUT CMSSH-3C3 Figure 16 Design Without Differential Amplifier V IN 4.5V TO ...
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LTM4603/LTM4603-1 applications inForMation V OUT V IN 4.5V TO 20V R2 100k PGOOD BULK OPT TABLE 2 10µF 25V ×2 CER 5% MARGIN C12 0.1µF LTC6908 OUT1 2 5 R11 GND ...
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LTM4603/LTM4603-1 23 4603fb ...
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LTM4603/LTM4603-1 package Description Please refer to http://www.linear.com/designtools/packaging/ 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 24 for the most recent package drawings bbb 4603fb ...
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... Updated the Related Parts information. 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. LTM4603/LTM4603-1 ...
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... OUT 3. 100pF C3 100µF 6. fSET SET 82.5k 13.3k 4603 TA05 2.82mm 15mm Tracking, OUT Tracking, 9mm × 15mm × 4.32mm LGA OUT Tracking and Margining, OUT Tracking and OUT 4603fb LT 0811 REV B • PRINTED IN USA LINEAR TECHNOLOGY CORPORA TION 2007 ...