EZ1083 7.5A Positive Voltage Regulator dropout performance: 1.4V

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EZ1083 7.5A Positive Voltage Regulator dropout performance: 1.4V

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EZ1083 high performance positive voltage regulator designed applications requiring dropout performance 7.5A. Additionally, EZ1083 series provides excellent regulation over variations line, load temperature. Features include 1.4V dropout amps, fast transient response, internal current limiting thermal shutdown protection output device. EZ1083 both fixed adjustable voltage options. These devices available popular TO-220 package. EZ1083 used industrial systems provide power microprocessors chipsets. also used power ASICs control systems medical applications.
EZ1083 7.5A Positive Voltage Regulator
dropout performance: 1.4V max. EZ1083 Full current rating over line temperature Fast transient response Adjust current 90µA over temperature Fixed/adjustable output voltage (EZ1083) Line regulation typically 0.015% Load regulation typically 0.05% total output regulation over line, load temperature TO-220 package. Available WEEE RoHS compliant package
Applications
Motherboards Microcontroller systems Medical equipment power microprocessor systems Post regulation switching power supplies Telecommunication systems
Typical Application Circuit
Fixed Voltage Regulator
4.75V EZ1083-3.3 VOUT 3.3V
10uF Tant.
10uF Tant. Min.
Adjustable Voltage Regulator
4.75V EZ1083 VOUT 3.45V
10uF Tant.
Ohm,
10uF Tant.
Notes: needed device from filter capacitors minimum value required stability
Revision: December 2005
Ohm,
VOUT VREF
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EZ1083
POWER MANAGEMENT Absolute Maximum Ratings
Exceeding specifications below result permanent damage device, device malfunction. Operation outside parameters specified Electrical Characteristics section implied.
Parameter Input Supply Voltage Power Dissipation Thermal Resistance Junction Case Thermal Resistance Junction Ambient Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering) Sec.
Symbol TSTG TLEAD
Maximum Internally Limited
Units °C/W °C/W
Electrical Characteristics
Unless otherwise specified: Adj. 2.75V 7.0V Adj. 10mA 7.5A; Fixed 4.75 7.0V Fixed 7.5A
Parameter Output Voltage EZ1083-X.X Reference Voltage EZ1083 Line Regulation
Symbol
TJ(5) 25°C O.T.
0.985lVOl 0.98lVOl 1.231 1.225
1.250 1.250 0.015 0.035 0.05 1.20
1.015lVOl 1.02lVOl 1.269 1.275
Units
VREF
10mA
25°C O.T.
REG(LINE)
10mA
25°C O.T.
Load Regulation
REG(LOAD)
25°C O.T.
Dropout Voltage
25°C O.T.
1.40 %/°C
EZ1083, EZ1083-X.X Current Limit Quiescent Current Fixed Voltage Version Temperature Coefficient
O.T. O.T. O.T.
0.005
2005 Semtech Corp.
www.semtech.com
EZ1083
POWER MANAGEMENT Electrical Characteristics (Cont.)
Parameter Adjust Current Symbol IADJ TJ(5) 25°C O.T. Adjust Current Change Temperature Stability Minimum Load Current Voltage Version Output Noise(3) Ripple Rejection Ratio(4) IADJ 7.5A 0.5A O.T. O.T. O.T. 25°C O.T. 0.003 Units
NOTES: duty cycle pulse testing with Kelvin connections required. VOUT, VREF Bandwidth kHz. input ripple (CADJ 25µF). Over Temp. (O.T.) over specified operating junction temperature range.
2005 Semtech Corp.
www.semtech.com
EZ1083
POWER MANAGEMENT Configuration Ordering Information
Device EZ1083CT-X.X(1) EZ1083CT-X.XT(4) TO-220 Fixed Adjustable Package(3) VOUT Volts(2)
Notes: Where denotes voltage options. Available voltages are: 2.5V 3.3V. Leave blank adjustable version. Contact factory additional voltage options. Adjustable versions: output adjusts from 1.3V 5.7V. Only available tube packaging. tube contains devices. This product fully WEEE RoHS compliant.
Block Diagram
2005 Semtech Corp.
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EZ1083
POWER MANAGEMENT Outline Drawing TO-220
SEATING PLANE
DIMENSIONS INCHES MILLIMETERS
.140 .020 .080 .015 .045 .014 .560 .330 .480 .380 .270 .190 3.56 4.82 .055 0.51 1.40 .115 2.03 2.92 .027 .040 0.38 0.69 1.02 .057 .070 1.14 1.45 1.78 .024 0.36 0.61 .650 14.22 16.51 9.02 .355 8.38 .507 12.19 12.88 .420 9.65 10.66 .350 6.86 8.90 .030 0.76 .100 2.54 .200 5.08 .230 .270 5.84 6.86 .500 .580 12.70 14.73 .250 6.35 .139 .156 3.53 3.96 .100 .120 2.54 3.05 .014 0.36 .015 0.38 .010 0.25
NOTES: CONTROLLING DIMENSIONS INCHES. DIMENSIONS INCLUDE MOLD FLASH, PROTRUSIONS GATE BURRS.
Contact Information
Semtech Corporation Power Management Products Division Flynn Road, Camarillo, 93012 Phone: (805)498-2111 (805)498-3804
2005 Semtech Corp.
www.semtech.com

EZ1083 7.5A Positive Voltage Regulator dropout performance: 1.4V

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