0.25 Positive Voltage Regulators External capacitor required stab

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0.25 Positive Voltage Regulators External capacitor required stab

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EZ55Z3L voltage regulators monolithic integrated circuits designed applications requiring well regulated positive output voltage with input-tooutput differential voltage requirements. Outstanding features include full power usage 250mA load current, internal current limiting thermal shutdown. Safe area protection also included, providing protection series pass transistor under most operating conditions. SOT-223 package available cost effective applications.
0.25 Positive Voltage Regulators
External capacitor required stability dropout performance .ixed 3.3V adjustable (down 1.25V) options
available Line regulation typically 0.015% Load regulation typically 0.1% SOT-223 package
EZ55Z3L
Typical Application Circuits
.ixed Voltage Regulator Adjustable Voltage Regulator
VOUT 1.250
Revision July 2002
www.semtech.com
EZ55Z3L
POWER MANAGEMENT Absolute Maximum Ratings
Exceeding specifications below result permanent damage device, device malfunction. Operation outside parameters specified Electrical Characteristics section implied.
Parameter Operating Input Voltage Power Dissipation(1) Thermal Resistance Junction Ambient Thermal Resistance Junction Case Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering) Sec.
Symbol TSTG TLEAD
Maximum VOUT 62.3
Units °C/W °C/W
Note: Specifications applicable power dissipation 2.5W only achievable over limited range VOUT.
Electrical Characteristics
Unless otherwise specified: (VIN VOUT) 1.45V IOUT 10mA 250mA. Values bold apply over full operating temperature range.
Parameter Output Voltage(2) 3.3V Version Reference Voltage(2) Adj. Voltage Version Line Regulation(2)
Symbol VOUT
Conditions(1) VOUT IOUT 10mA
3.201 3.168
3.300
3.399 3.432
Units
VREF
VOUT IOUT 10mA
1.213 1.200
1.250
1.288 1.300
REG(LINE)
IOUT 10mA
0.015 0.035
Load Regulation(2)
REG(LOAD)
Dropout Voltage VOUT, VREF Surge Current Limit Quiescent Current Thermal Regulation(3)
REG(THERM)
0.002 0.01
2002 Semtech Corp.
www.semtech.com
EZ55Z3L
POWER MANAGEMENT Electrical Characteristics (Cont.)
Unless otherwise specified: (VIN VOUT) 1.45V IOUT 10mA 250mA. Values bold apply over full operating temperature range.
Parameter Adjust Current
Symbol IADJ
Conditions(1)
Units
Adjust Current Change Temperature Stability Minimum Load Current Output Noise(4) Ripple Rejection Ratio(5) IADJ IOUT IOUT 250mA IOUT 250mA 0.003 %VOUT
Notes: Specifications applicable power dissipation 2.5W only achievable over limited range VOUT. duty cycle pulse testing with Kelvin connections required. Changes output voltage heating effects covered under specification thermal regulation. 30ms pulse. Bandwidth 10Hz 10kHz 120Hz input ripple, less each volt increase above 3.3V Min.; COUT CADJ (for ADJ) 25µ. This device sensitive. standard handling handling precautions required.
2002 Semtech Corp.
www.semtech.com
EZ55Z3L
POWER MANAGEMENT Configurations
FUNCTION ADJ/GND
Ordering Information
Device EZ55Z3L-SX.TR(1)(2) ackag SOT-223
SOT-223
Notes: Where denotes voltage options. Available voltage 3.3V. Replace with adjustable version (1.25 24V). Only available tape reel packaging. reel contains 2500 devices.
Block Diagram
2002 Semtech Corp.
www.semtech.com
EZ55Z3L
POWER MANAGEMENT Outline Drawing SOT-223
Land Pattern SOT-223
Contact Information
Semtech Corporation Power Management Products Division .lynn Road, Camarillo, 93012 Phone: (805)498-2111 (805)498-3804
2002 Semtech Corp. www.semtech.com

0.25 Positive Voltage Regulators External capacitor required stab

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