EZ1083(B) 7.5A Positive Voltage Regulator dropout performance:

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EZ1083(B) 7.5A Positive Voltage Regulator dropout performance:

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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.
EZ1083(B) 7.5A Positive Voltage Regulator
dropout performance:
1.3V max. EZ1083, 1.45V max. EZ1083B 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 (±2.4% EZ1083B) TO-220 package
Features include 1.3V dropout amps, fast transient response, internal current limiting thermal shutdown protection output device. EZ1083 both fixed adjustable voltage options, while EZ1083B adjustable only cost sensitive
applications. These devices available popular TO-220 package. EZ1083 used industrial systems provide power microprocessors chipsets. also used power ASICs control systems medical applications.
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 November 2000
Ohm,
VOUT VREF
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EZ1083(B)
POWER MANAGEMENT Absolute Maximum Ratings
Parameter Input Supply Voltage Power pati Thermal Resi stance Juncti Thermal Resi stance Juncti Ambi Operati Juncti Temperature Range Storage Temperature Range Lead Temperature (Solderi Sec. mbol TSTG TLEAD Maximum Internally nits
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 Reference Voltage EZ1083B Regulati
mbol
TJ(4) 25°C O.T.
0.99lVOl 0.98lVOl 1.238 1.225 1.233 1.220
1.250 1.250 1.250 1.250 0.015 0.035 0.05 1.10 1.20
1.01lVOl 1.02lVOl 1.262 1.275 1.267 1.280
nits
VREF
10mA
25°C O.T.
VREF
10mA
25°C O.T.
REG(LINE)
10mA
25°C O.T.
Load Regulati
REG(LOAD)
25°C O.T.
ropout Voltage
25°C O.T.
1.30 1.45 %/°C
EZ1083, EZ1083-X.X EZ1083B urrent escent urrent Voltage Versi Temperature oeffi
O.T. O.T. O.T.
0.005
2000 Semtech Corp.
www.semtech.com
EZ1083(B)
POWER MANAGEMENT Electrical Characteristics (Cont.)
Parameter Adjust urrent mbol IADJ TJ(4) 25°C O.T. Adjust urrent hange Temperature Stabi Load urrent Voltage Versi Output se(3) pple Rejecti Rati o(4) DIADJ 7.5A 0.5A O.T. O.T. O.T. 25°C O.T. 0.003 nits
NOTES: duty cycle pulse testing with Kelvin connections required. DVOUT, DVREF Bandwidth kHz. input ripple (CADJ 25µF). Over Temp. (O.T.) over specified operating junction temperature range.
2000 Semtech Corp.
www.semtech.com
EZ1083(B)
POWER MANAGEMENT Configuration Ordering Information
EZ1083C T-X.X(1) EZ1083BC Package(3) TO-220 TO-220 VOUT Volts(2) Adjustable Adjustable Only
Note: Where denotes voltage options. Available voltages are: 1.5V, 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.
Block Diagram
2000 Semtech Corp.
www.semtech.com
EZ1083(B)
POWER MANAGEMENT Outline Drawing TO-220
Contact Information
Semtech Corporation Power Management Products Division Mitchell Rd., Newbury Park, 91320 Phone: (805)498-2111 (805)498-3804
2000 Semtech Corp.
www.semtech.com

EZ1083(B) 7.5A Positive Voltage Regulator dropout performance:

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