sc192imltr Semtech Corporation, sc192imltr Datasheet
sc192imltr
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sc192imltr Summary of contents
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POWER MANAGEMENT Description The SC192 is a synchronous step-down converter with integrated power devices designed for battery operated systems. The internal power switches reduce system size and cost. In addition, an efficiency of 95% can be achieved for significant line ...
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POWER MANAGEMENT Absolute Maximum Ratings Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied ...
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POWER MANAGEMENT Electrical Characteristics Cont. Unless otherwise noted: VIN = 3.6V, SYNC/PWM = VIN, ILIM = VIN VIN ...
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POWER MANAGEMENT Pin Configuration TOP VIEW VIN GND 3 COMP 4 T ADJ 5 MLPD-10: 3X3 10 LEAD Pin Descriptions ...
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POWER MANAGEMENT Block Diagram BP ILIM and slope SYNC/ generation ADJ EN © 2007 Semtech Corp. - Plimit amp + Control logic - PW M comp + - Error amp + 750mV ...
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POWER MANAGEMENT Description Description The SC192 step-down, pulse-width-modulated (PWM), DC-DC converter has an adjustable output range from 0.75V to the input voltage. The device has an internal synchronous rectifier and does not require a schottky diode on the LX pin. ...
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POWER MANAGEMENT Evaluation Board Schematic TP1 VIN VIN TP3 COMP 10uF 0.1uF 470pF R8 28k TP2 GND GND © 2007 Semtech Corp. VIN R6 1k TP8 ILIM TP4 VIN PGND ...
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POWER MANAGEMENT Evaluation Board Gerber Plots TOP COPPER TOP SILKSCREEN © 2007 Semtech Corp. BOTTOM COPPER BOTTOM SILKSCREEN 8 SC192 PRELIMINARY www.semtech.com ...
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POWER MANAGEMENT Applications Information Selecting Components When selecting components for the an SC192 application the main factors are typically performance, size and cost. For higher performance the designer will select higher values of input and output capacitors to reduce ripple ...
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POWER MANAGEMENT Applications Information Cont. TABLE ...
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POWER MANAGEMENT Applications Information Cont. PSAVE, Cout = 4.7uF, Lout = 4.7uH Inductor Selection The inductor values listed in Table 1 will work for nearly all combinations of output current and output voltages. After selecting 4.7uH or 10uH for the ...
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POWER MANAGEMENT Applications Information Cont. = • RMS OUT IN The worst case RMS ripple current occurs at a duty cycle of 0.5 and its value at that point is Ceramic capacitors are recommended for ...
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POWER MANAGEMENT Line Regulation 300mA OUT 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0.00 3.3 3.5 3.7 3.9 4.1 4.3 Input Voltage (Volts) Oscillator Frequency vs Temperature Over V 760 755 750 745 740 735 730 725 ...
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POWER MANAGEMENT Outline Drawing - MLPD-10 PIN 1 INDICATOR (LASER MARK) aaa C LxN NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS TERMINALS. Marking ...
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... Contact Information © 2007 Semtech Corp. DIMENSIONS DIM INCHES (.112 .075 H .055 .087 P .020 X .012 Y Y .037 Z .150 Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 Visit us at: www.semtech.com 15 SC192 MILLIMETERS (2.85) 1.90 1.40 2.20 0.50 0.30 0.95 3.80 www.semtech.com ...