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| POWER MANAGEMENT Description The EZ55Z3L voltage regulators are monolithic integrated circuits designed for use in applications requiring a well regulated positive output voltage with low input-tooutput differential voltage requirements. Outstanding features include full power usage up to 250mA of load current, internal current limiting and thermal shutdown. Safe area protection on the die is also included, providing protection of the series pass transistor under most operating conditions. TO-92 and SOT-223 packages are available for cost effective applications. 0.25 Amp Positive Voltage Regulators Features u u u u u u u External capacitor not required for stability Low dropout performance Five fixed voltage options: 3.3V, 5V, 9V, 12V, 24V Adjustable output down to 1.25V Line regulation typically 0.015% Load regulation typically 0.1% TO-92 and SOT-223 packages EZ55Z3L Typical Application Circuits Fixed Voltage Regulator Adjustable Voltage Regulator R1 VOUT = 1.250 * 1 + R2 Revision 10/2000 1 www.semtech.com EZ55Z3L POWER MANAGEMENT Absolute Maximum Ratings Parameter Operati ng Input Voltage Power D i ssi pati on(1) Thermal Resi stance Juncti on to Ambi ent SOT-223 TO-92 Thermal Resi stance Juncti on to C ase SOT-223 TO-92 Operati ng Juncti on Temperature Range Storage Temperature Range Lead Temperature (Solderi ng) 10 Sec. ESD Rati ng (Human Body Model) Sy mbol VIN PD q JA Maximum VOUT + 10 2.5 62.3 132 15 66 0 to 125 -65 to 150 300 2 U nits V W C /W q JC TJ TSTG TLEAD V ESD C /W C C C kV Note: (1) Specifications are applicable for a power dissipation of 2.5W and are only achievable over a limited range of VIN - VOUT. Electrical Characteristics Unless otherwise specified: (VIN - VOUT) = 1.45V to 10V and IOUT = 10mA to 250mA. Values in bold apply over the full operating temperature range. Parameter Output Voltage(2) Fi xed Voltage Versi on Reference Voltage(2) Adj. Voltage Versi on Li ne Regulati on(2) Sy mbol VOUT C onditions(1) VIN = VOUT + 3V, IOUT = 10mA Min -3% -4% Ty p VOUT Max +3% +4% U nits V VREF VIN = VOUT + 3V, IOUT = 10mA 1.213 1.200 1.250 1.288 1.300 V REG(LINE) IOUT = 10mA 0.015 0.035 0.2 0.2 0.3 0.4 1.5 % Load Regulati on(2) REG(LOAD) VIN = 3V 0.1 0.2 % D ropout Voltage DVOUT, DVREF = 1% Surge C urrent Li mi t Qui escent C urrent Thermal Regulati on(3) VD 1.3 V IS IQ REG(THERM) VIN = 10V 0.5 10 0.002 15 0.01 A mA %/W a 2001 Semtech Corp. 2 www.semtech.com EZ55Z3L POWER MANAGEMENT Electrical Characteristics (Cont.) Unless otherwise specified: (VIN - VOUT) = 1.45V to 10V and IOUT = 10mA to 250mA. Values in bold apply over the full operating temperature range. Parameter Adjust Pi n C urrent Sy mbol IADJ C onditions(1) Min Ty p 55 Max U nits A 120 Adjust Pi n C urrent C hange Temperature Stabi li ty Mi ni mum Load C urrent RMS Output Noi se(4) Ri pple Rejecti on Rati o(5) DIADJ TS IOUT VN RA VIN = 5V, IOUT = 250mA 60 VIN = 5V, IOUT = 250mA VIN = 10V 0.2 0.5 5 0.003 72 10 5 A % mA %VOUT dB Notes: (1) Specifications are applicable for a power dissipation of 2.5W and are only achievable over a limited range of VIN - VOUT. (2) Low duty cycle pulse testing with Kelvin connections required. Changes in output voltage due to heating effects are covered under the specification for thermal regulation. (3) 30ms pulse. (4) Bandwidth of 10Hz to 10kHz (5) 120Hz input ripple, 1 dB less for each volt increase above 3.3V Min.; COUT & CADJ (for ADJ) = 25F. a 2001 Semtech Corp. 3 www.semtech.com EZ55Z3L POWER MANAGEMENT Pin Configurations PIN 1 2 3 FU N C TION AD J/GND OUT IN Ordering Information D ev ice(1) EZ55Z3L-SX.TR(2) EZ55Z3L-ZX.TR(3) P ackag e SOT-223 TO-92 SOT-223 Tab i s OUT Notes: (1) Where X denotes voltage options. Available voltages are: 3.3V, 5V, 9V, 12V and 24V. Replace X with ADJ for adjustable version (1.25 to 24V). (2) Only available in tape and reel packaging. A reel contains 2500 devices. (3) Available in tape and reel packaging (a reel contains 3000 devices) or ammo pack (suffix TA, an ammo pack contains 2000 devices). Block Diagram a 2001 Semtech Corp. 4 www.semtech.com EZ55Z3L POWER MANAGEMENT Outline Drawing - SOT-223 Land Pattern - SOT-223 a 2001 Semtech Corp. 5 www.semtech.com EZ55Z3L POWER MANAGEMENT Outline Drawing - TO-92 Contact Information Semtech Corporation Power Management Products Division 652 Mitchell Rd., Newbury Park, CA 91320 Phone: (805)498-2111 FAX (805)498-3804 a 2001 Semtech Corp. 6 www.semtech.com |
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