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| 1.0A Low Dropout Regulator CORPORATION CLM2810 FEATURES DESCRIPTION The CLM2810 is a low power, positive voltage regulator. The device has been designed to provide an output current of 1A while complying with SCSI-II specifications with a fixed output voltage of 2.85V. Applications include battery-powered and portable computers. The device has a low quiescent current while providing 1.2V drop-out voltage at a full load. Product is available as an adjustable LDO or fixed 2.85V, 3.0V, 3.3V and 5.0V output voltages. * * * * * * * * * * * * * * * * * Guaranteed 1.0A Output Three Terminal Adjustable or Fixed 2.85V, 3V, 3.3V, 5V, 10V and 12V Very Low Quiescent Current Low Dropout Voltage of 1.2V at Full Load Extremely Tight Load and Line Regulation Very Low Temperature Coefficient Fixed 2.85V Device for SCSI-II Active Terminator Logic-Controlled Electronic Shutdown Internal Overcurrent Limiting and Thermal Overload Protection Surface Mount Package SOT-223, DD PAK and TO-220 ORDERING INFORMATION Part Package Description TO-220 SOT-223 TO-220 SOT-223 DD DD Adjustable Adjustable X = output voltage M = output voltage Adjustable X = output voltage Temperature -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC CLM2810U CLM2810M CLM2810U-X CLM2810M-X CLM2810AT CLM2810AT-X APPLICATIONS SCSI-II Active Terminator Portable/Palm Top/Notebook Computers Battery Chargers Disk Drives Portable Consumer Equipment Portable Instrumentation SMPS Post-Regulator PIN CONNECTIONS SOT-223 PLASTIC DD PACKAGE CLM2810 PLASTIC PACKAGE TO-220 CLM2810-3.3 TAB IS GND 3 2 VIN VOUT VIN VOUT CLM2810 1 2 3 GND FRONT VIEW 1T-29 1 V ADJ 1T-28 FRONT VIEW GND VOUT VIN 1T-30 FRONT VIEW CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 CLM2810 CORPORATION ABSOLUTE MAXIMUM RATINGS Power Dissipation . . . . . . . . . . . . . . . . . . . . . Internally Limited Lead Temp. (Soldering, 5 Seconds) . . . . . . . . . . . . . . . 260C Storage Temperature Range . . . . . . . . . . . . . . -65 to +150C Operating Junction Temperature Range . . . . -40C to +125C Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 6V Input Supply Voltage . . . . . . . . . . . . . . . . . . . . . -20V to +20V ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2KV Min ELECTRICAL CHARACTERISTICS: VIN = VOUT+1, TA = 25oC, CL = 3.3f, unless otherwise noted. Boldface apply over full operating temperature range. PARAMETER TYP 2.85 2.85 2.85 3.0 3.0 3.30 3.30 5.0 5.0 Output Voltage Temperature Stability 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.05 1.10 5.00 800 0.01 60 950 MIN 2.82 2.79 2.79 2.97 2.94 3.27 3.24 4.95 4.90 MAX 2.88 2.91 2.91 3.03 3.06 3.33 3.36 5.05 5.10 0.05 6.00 7.00 7.00 10.00 10.00 12.00 12.00 15.00 1.10 1.15 1.20 10.00 1200 0.1 75 0.03 0.003 15 o UNITS CONDITIONS IOUT = 10mA, VIN = 4.85V 0 IOUT 1A, 4.25 VIN 10V 0 IOUT 500mA, VIN = 4.05V IOUT = 10mA, VIN = 5.00V 0 IOUT 1A, 4.50 VIN 10V IOUT = 10mA, VIN = 5.30V 0 IOUT 1A, 4.80 VIN 10V IOUT = 10mA, VIN = 7.00V 0 IOUT 1A, 6.50 VIN 12V Output Voltage V % (Note 1) 4.25V VIN 10V, VOUT 4.50V VIN 12V, VOUT 4.80V VIN 12V, VOUT 6.50V VIN 15V, VOUT = 2.85, IOUT = 0 = 3.00, IOUT = 0 = 3.30, IOUT = 0 = 5.00, IOUT = 0 = 2.85 = 3.00 = 3.30 = 5.00 Line Regulation mV Load Regulation mV 0 IOUT 1A, VIN = 4.25V, VOUT 0 IOUT 1A, VIN = 4.50V, VOUT 0 IOUT 1A, VIN = 4.80V, VOUT 0 IOUT 1A, VIN = 6.50V, VOUT IL = 100mA IL = 500mA IL = 1A 4.25V VIN 6.5V (VIN - VOUT) = 5V 25oC, 30ms Pulse Dropout Voltage (Note 2) Quiescent Current Current Limit Thermal Regulation Ripple Rejection Long Term Stability RMS Output Noise Thermal Resistance V mA mA %/W dB % % C/W o fRIPPLE = 120Hz, (VIN - VOUT ) = 3V, VRIPPLE = 1Vp-p 125oC, 1000Hrs % of VOUT , 10Hz f 10kHz Junction to case, at tab Note 1: Output temperature coefficient is defined as the worst case voltage change divided by the total temperature range. Note 2: Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below its nominal value measured at 1V differential at very low values of programmed output voltage, the minimum input supply voltage of 2V (2.3V over temperature) must be taken input account. Note 3: Thermal regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation effect. CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 |
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