EZ1117 & EZ1117A 0.8 & 1.0 Amp Positive Voltage Regulators POWER MANAGEMENT Description Features K Low dropout performance: 1.2V max. for EZ1117, The EZ1117 series of high performance positive voltage regulators are designed for use in applications requiring low dropout performance at up to 0.8A (1A for EZ1117A). 1.3V max. for EZ1117A K Full current rating over line and temperature K Fast transient response K +2% total output regulation over line, load and Additionally, the EZ1117 series provides excellent regulation over variations in line, load and temperature. Outstanding features include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. K K K K K The EZ1117 series of three terminal regulators offer fixed and adjustable voltage options available in the space saving SOT-223 and TO-263 packages. temperature Adjust pin current max 90µA over temperature Fixed/adjustable output voltage Line regulation 0.2% max. Load regulation 0.4% max. SOT-223 and TO-263 packages Applications K Low voltage microcontrollers K Switching power supply post-regulation Typical Application Circuit Fixed Voltage Regulator U1 3 VIN > 4.75V + IN EZ1117-3.3 2 TAB OUT VOUT = 3.3V + C1 10uF Tant. GND C2 10uF Tant. Min. 1 Adjustable Voltage Regulator U1 3 VIN > 4.75V + C1 10uF Tant. IN EZ1117 TAB OUT 2 VOUT = 3.45V R1 133 Ohm, 1% ADJ + C2 10uF Tant. Min 1 R2 232 Ohm, 1% Notes: (1) C1 needed if device is far from filter capacitors (2) C2 minimum value required for stability Revision 1, December 2000 1 R2 VOUT = VREF • 1 + + I ADJ • R 2 R1 www.semtech.com EZ1117 & EZ1117A POWER MANAGEMENT Absolute Maximum Ratings Parameter Symbol Maximum Units Input Supply Voltage VIN 7 V Power Dissipation PD Internally Limited W Thermal Resistance Junction to Case SOT-223 TO-263 θJ C 15 3 °C/W Thermal Resistance Junction to Ambient SOT-223 TO-263 θJ A 156 60 °C/W Operating Junction Temperature Range TJ 0 to 125 °C Storage Temperature Range TSTG -65 to 150 °C Lead Temperature (Soldering) 10 Sec. TLEAD 300 °C ESD Rating (Human Body Model) ESD 2 kV Electrical Characteristics(6) Unless otherwise specified: Adj. Option: VIN = 2.65V to 7.0V and IO = 10mA to IRATED. Fixed Options: IO = 0mA to IRATED, VIN (2.5V) = 3.9V to 7.0V, VIN (2.85V) = 4.25V to 7.0V, VIN (3.3V) = 4.75V to 7.0V. Parameter Output Voltage (1) Symbol VIN IO TJ(5) Min Typ Max Units VO 5V OmA 25°C -1% VO +1% V O.T. -2% 25°C 1.238 O.T. 1.225 (Fixed Voltage Versions) Reference Voltage (1) VREF 5V 10mA (Adj Voltage Version) Line Regulation (1) REG(LINE) Load Regulation (1) REG(LOAD) Dropout Voltage(1)(2) VD 10mA 5V 100mA 500mA 800mA 1000mA EZ1117A Current Limit EZ1117 EZ1117A ICL Quiescent Current Fixed Voltage Version IQ Temperature Coefficient TC 2000 Semtech Corp. 2 1.250 1.262 V 1.275 O.T. 0.035 0.2 % O.T. 0.2 0.4 % O.T. 1.00 1.05 1.10 1.10 1.10 1.15 1.20 1.30 V O.T. 5V +2% 0.8 1.0 A O.T. 10 O.T. 0.005 13 mA %/°C www.semtech.com EZ1117 & EZ1117A POWER MANAGEMENT Electrical Characteristics (Cont.)(6) Unless otherwise specified: Adj. Option: VIN = 2.65V to 7.0V and IO = 10mA to IRATED. Fixed Options: IO = 0mA to IRATED, VIN (2.5V) = 3.9V to 7.0V, VIN (2.85V) = 4.25V to 7.0V, VIN (3.3V) = 4.75V to 7.0V. Parameter Symbol VIN TJ(5) IO Min Typ Max Units Adjust Pin Current IADJ O.T. 55 90 µA Adjust Pin Current Change ∆IADJ O.T. 0.2 5 µA Temperature Stability TS O.T. 0.5 Minimum Load Current Adj Voltage Version IO O.T. 5 RMS Output Noise(3) VN 25°C 0.003 %VO Ripple Rejection Ratio(4) RA 72 dB 5V 5V IRATED O.T. 60 % 10 mA NOTES: (1) Low duty cycle pulse testing with Kelvin connections required. (2) ∆VOUT, ∆VREF = 1%. (3) Bandwidth of 10 Hz to 10kHz. (4) 120Hz input ripple (CADJ for ADJ = 25µF). (5) O.T. = over specified operating junction temperature range. (6) IRATED = 1A for EZ1117A and 800mA for EZ1117. 2000 Semtech Corp. 3 www.semtech.com EZ1117 & EZ1117A POWER MANAGEMENT Pin Configuration Ordering Information Device SOT-223 TO-263 (1)(2) P ackag e EZ1117CST-X.X.TR EZ1117ACST-X.X.TR SOT-223 EZ1117CM-X.X.TR EZ1117ACM-X.X.TR TO-263 Notes: (1) Where X.X denotes voltage options. Available voltages are: 2.5V, 2.85V and 3.3V. Leave blank for adjustable version (1.3 to 5.7V). Contact factory for additional voltage options. (2) Only available in tape and reel packaging. A reel contains 2500 (SOT-223) or 800 (TO-263) devices. Block Diagram 2000 Semtech Corp. 4 www.semtech.com EZ1117 & EZ1117A POWER MANAGEMENT Outline Drawing - TO-263 Land Pattern - TO-263 2000 Semtech Corp. 5 www.semtech.com EZ1117 & EZ1117A POWER MANAGEMENT Outline Drawing - SOT-223 Land Pattern - SOT-223 Contact Information Semtech Corporation Power Management Products Division 652 Mitchell Rd., Newbury Park, CA 91320 Phone: (805)498-2111 FAX (805)498-3804 2000 Semtech Corp. 6 www.semtech.com