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EZ1584IT-X.X Datasheet(PDF) 1 Page - Semtech Corporation |
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EZ1584IT-X.X Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 5 page 1 www.semtech.com EZ1584C & EZ1584I 7.0 Amp Low Dropout Positive Voltage Regulators POWER MANAGEMENT June 23, 2010 The EZ1584 is a high performance positive voltage regulator designed for use in applications requiring low dropout performance at 7A. 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 is an excellent choice for powering microprocessor systems. Using an LDO eliminates MOSFETs and inductors, saving both space and cost. An LDO also provides better transient response and no ripple. A variety of options are available for maximum flexibility: the EZ1584C is intended for commercial applications and has both fixed and adjustable voltage options; the EZ1584I is intended for industrial applications and has a 3.3V fixed and an adjustable option. All devices are available in the popular TO-220 package. Memory supply Graphics core supply Other 2.5V to 3.6V microprocessor supplies Low voltage logic supplies Battery-powered circuitry Post regulator for switching supply Telecom supplies Industrial supplies Low dropout performance: 1.3V max. for EZ1584C and 1.4V max. for EZ1584I Full current rating over line and temperature Fast transient response ±2% total output regulation over line, load and temperature Adjust pin current max 90µA over temperature Fixed/adjustable output voltage Line regulation typically 0.015% Load regulation typically 0.05% Industrial temperature range (EZ1584I) TO-220 package Description Features Applications Fixed Voltage Regulator Adjustable Voltage Regulator Typical Application Circuit VIN > 4.75V VOUT = 3.3V VOUT = 3.3V VIN > 4.75V U1 EZ1584 1 2 3 ADJ OUT IN TAB + C2 10uF Tant. Min. R1 124 Ohm, 1% + C1 10uF Tant. U1 EZ1584-3.3 1 2 3 GND OUT IN TAB R2 205 Ohm, 1% + C1 10uF Tant. + C2 10uF Tant. Min Notes: (1) C1 needed if device is far from filter capacitors (2) C2 minimum value required for stability 2 R I 1 R 2 R 1 V V ADJ REF OUT • + + • = |
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