2.0A Dropout Positive Voltage Regulators dropout performance: 1.3
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EZ1588 high performance positive voltage regulator designed applications requiring dropout performance Additionally, EZ1588 series provides excellent regulation over variations line, load temperature. Outstanding features include dropout performance rated current, fast transient response, internal current limiting thermal shutdown protection output device. EZ1588 series three terminal regulators with fixed adjustable voltage options available popular packages.
2.0A Dropout Positive Voltage Regulators
dropout performance: 1.3V max. Full current rating over line temperature Fast transient response total output regulation over line, load temperature Adjust current max. 90µA over temperature Fixed/adjustable output voltage Line regulation typically 0.005% Load regulation typically 0.05% TO-220 TO-263 packages
EZ1588
Applications
Memory supplies Graphics core supplies 2.5V 3.6V microprocessor supplies voltage logic supplies Battery-powered circuitry Post regulator switching supply
Typical Application Circuit
Fixed Voltage Regulator
4.75V EZ1588-3.3 VOUT 3.3V
10uF Tant.
10uF Tant. Min.
Adjustable Voltage Regulator
4.75V EZ1588 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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EZ1588
POWER MANAGEMENT Absolute Maximum Ratings
Parameter Input Supply Voltage Power pati Thermal Resi stance Juncti TO-220 TO-263 Thermal Resi stance Juncti Ambi TO-220 TO-263 Operati Juncti Temperature Range Storage Temperature Range Lead Temperature (Solderi Sec. Rati (Human Body Model) mbol Maximum Internally nits
TSTG TLEAD
Electrical Characteristics
Unless otherwise specified: Adj. 2.75 7.0V Adj. 10mA 2.0A; Fixed 4.75 7.0V Fixed 2.0A
Parameter Output Voltage
mbol
TJ(4) 25°C O.T.
0.99lVOl 0.98lVOl 1.238 1.225
1.250 1.250 0.005 0.035
1.01lVOl 1.02lVOl 1.262 1.275
nits
Voltage Versi Reference Voltage
VREF
10mA
25°C O.T.
Adj. Voltage Versi Regulati Voltage Versi Adj. Voltage Versi Load Regulati REG(LOAD) REG(LINE) 10mA
25°C O.T.
25°C O.T.
0.05 0.004
ropout Voltage
25°C O.T.
0.02 %/°C
urrent escent urrent Voltage Versi Termperature oeffi
O.T. O.T. O.T.
2000 Semtech Corp.
www.semtech.com
EZ1588
POWER MANAGEMENT Electrical Characteristics (Cont.)
Unless otherwise specified: Adj. 2.75 7.0V Adj. 10mA 2.0A; Fixed 4.75 7.0V Fixed 2.0A
Parameter Adjust urrent
mbol IADJ
TJ(4) 25°C O.T.
nits
0.003
Adjust urrent hange Temperature Stabi Load urrent Voltage Versi Output se(3) pple Rejecti Rati
DIADJ 2.0A 0.5A
O.T. O.T. O.T. 25°C O.T.
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
EZ1588
POWER MANAGEMENT Configuration Ordering Information
ice(1) EZ1588C T-X.X EZ1588C M-X.X.TR ackag TO-220 TO-263(2)
Block Diagram
Notes: Where denotes voltage options. Available voltages are: 3.3V. Leave blank adjustable version (1.3 5.7V). Contact factory additional voltage options. Only available tape reel packaging. reel contains devices.
Outline Drawing TO-220
2000 Semtech Corp.
www.semtech.com
EZ1588
POWER MANAGEMENT Outline Drawing TO-263
Land Pattern TO-263
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
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