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| 7.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS November 22, 1999 EZ1584 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The EZ1584 series of high performance positive voltage regulators are designed for use in applications requiring low dropout performance at full rated current. Additionally, the EZ1584 series provides excellent regulation over variations in line, load and temperature. Outstanding features include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. The EZ1584 series are three terminal regulators with fixed and adjustable voltage options available in the popular TO-220 package. FEATURES * Low dropout performance, * * * * * * * * 1.3V max. for EZ1584 Full current rating over line and temperature Fast transient response 2% total output regulation over line, load and temperature Adjust pin current max 90A over temperature Fixed/adjustable output voltage Line regulation typically 0.015% Load regulation typically 0.05% TO-220 package APPLICATIONS * Pentium(R) Processor supplies * PowerPCTM supplies * Other 2.5V to 3.6V microprocessor supplies * Low voltage logic supplies * Battery-powered circuitry * Post regulator for switching supply BLOCK DIAGRAM ORDERING INFORMATION DEVICE EZ1584CT-X.X PACKAGE TO-220 VOUT VOLTS See Note (1) Note: (1) Where X.X denotes voltage options. Available voltages are: 1.5V, 2.5V and 3.3V. Leave blank for adjustable version (1.3 to 5.7V). Contact factory for additional voltage options. ABSOLUTE MAXIMUM RATINGS Parameter Input Supply Voltage Power Dissipation Thermal Resistance Junction to Case TO-220 Symbol VIN PD Maximum 7 Internally Limited Units V W JC 2 C/W PIN CONFIGURATION Thermal Resistance Junction to Ambient TO-220 Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering) 10 Sec JA TJ TSTG TLEAD 50 0 to 125 -65 to 150 260 C/W C C C Pentium Processor is a trademark of Intel Corp. PowerPC is a trademark of IBM Corp. 1 (c) 1999 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 7.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS November 22, 1999 EZ1584 ELECTRICAL CHARACTERISTICS Unless otherwise specified, Adj VIN = 2.75V to 7.0V and Adj IO = 10mA to 7.0A; Fixed VIN = 4.75 to 7.0V and Fixed IO = 0 mA to 7.0A Test Conditions Parameter Output Voltage (1) Test Limits TJ (5) Symbol VO (1) VIN 5V IO 10mA Min 0.99lVOl 0.98lVOl 1.238 1.225 Typ VO VO 1.250 1.250 0.015 0.035 0.035 0.05 0.2 1 1.1 Max 1.01lVOl 1.02lVOl 1.262 1.275 0.2 0.2 0.2 0.3 0.4 Units V 25C O.T. Fixed Voltage Version Reference Voltage (1) VREF REG(LINE) 5V 10mA 25C O.T. 25C V Adj Voltage Version Line Regulation % Fixed Voltage Version Adj Voltage Version Load Regulation (1) 0mA 10mA REG(LOAD) VD ICL IQ TC IADJ 5V 5V O.T. O.T. 25C O.T. % Dropout Voltage EZ1584 Current Limit (2) 25C O.T. O.T. O.T. O.T. 25C O.T. 7.1 V 1.3 A 13 mA %/C A 90 9.0 10 0.005 55 Quiescent Current Fixed Voltage Version Temperature Coefficient Adjust Pin Current Adjust Pin Current Change Temperature Stability Minimum Load Current Adj Voltage Version RMS Output Noise (3) (4) IADJ TS IO VN RA 5V 7.0A 5V 5V 0.5A O.T. O.T. O.T. 25C O.T. 60 0.2 0.5 5 0.003 72 5 A % 10 mA %VO dB Ripple Rejection Ratio NOTES: (1) Low duty cycle pulse testing with Kelvin connections required. (2) VOUT, VREF = 1% (3) Bandwidth of 10 Hz to 10 kHz. (4) 120 Hz input ripple (CADJ for ADJ = 25F). (5) Over Temp. (O.T.) = over specified operating junction temperature range. 2 (c) 1999 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 7.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS November 22, 1999 EZ1584 TYPICAL APPLICATIONS FIXED VOLTAGE REGULATOR (1)(2) ADJUSTABLE VOLTAGE REGULATOR (1)(2) 3 (c) 1999 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 7.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS November 22, 1999 EZ1584 DEVICE OUTLINE - TO-220 ECN99-734 4 (c) 1999 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 |
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