AOZ1117TI-50L

1A Low Dropout Linear Regulator AOZ1117 General Description The AOZ1117 is a low dropout positive adjustable or fixed-mode regulator with minimum of 1A output current capability. The product is specifically designed to provide well-regulated supply for low voltage IC applications such as high-speed bus termination and low current 3.3V logic supply. The AOZ1117 is also well suited for other applications such as VGA cards. The AOZ1117 is guaranteed to have lower than 1.4V dropout at full load current making it ideal to provide well-regulated outputs of 1.25V to 5.0V with 2.75V to 14V input supply. Features ● ● ● ● ● ● 1.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection 3-terminal adjustable or fixed 1.5V, 1.8V, 2.5V, 3.3V, or 5.0V TO252 package ● Applications ● ● PC peripheral Communication Typical Circuits Fixed Output Example Fixed Output Example VIN + 5V VIN + 5V 3 2 Adjustable Output Example Adjustable Output Example V + 55 VININ + VV 3 3 IN VIN = 3.3V V =3 VOUT OUT.3V VIN V2 OUT VOUT = 3.3V VOUT = 3.3V V VOUT OUT ADJ/GND V 2 2 1 3 C1 10μF VIN C1 10μF VOUT 1 AOZ1117 ADJ/GND AOZ1117 ADJ/GND 1 1 C2 C2 10μF 10μF C1 10μF C1 10μF AOZ1117 ADJ/GND AOZ1117 R1 240Ω R1 R2 390Ω R2 240Ω C2 10μF C2 10μF 390Ω VOUT = VREF x 1 + R2 R1 VREF = VREF VOUT = 1.250Vx 1 + R2 R1 VREF = 1.250V Figure 1. Rev. 1.1 September 2008 www.aosmd.com Page 1 of 8 AOZ1117 Ordering Information Part Number AOZ1117TI-AAL AOZ1117TI-15L AOZ1117TI-18L AOZ1117TI-25L AOZ1117TI-33L AOZ1117TI-50L Output Voltage Adjustable 1.5V 1.8V 2.5V 3.3V 5.0V Ambient Temperature Range Package Environmental -40°C to +85°C TO-252 Green Product • All AOS products are offered in packages with Pb-free plating and compliant to RoHS standards. • Parts marked as Green Products (with “L” suffix) use reduced levels of Halogens, and are also RoHS compliant. Please visit www.aosmd.com/web/quality/rohs_compliant.jsp for additional information. Pin Configuration Tab Pinout: 1. Adjust/Ground 2. VOUT 3. VIN Heat sink tab is connected to Pin 2. 2 1 3 TO-252 (Top View) Pin Description Name Adj (GND) Vout Vin I/O I O I Pin # 1 2 3 Function A resistor divider from this pin to the Vout pin and ground sets the output voltage. (Ground only for Fixed-Mode) The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω) must be connected from this pin to ground to insure stability. The input pin of regulator. Typically a large storage capacitor (0.15Ω ≤ ESR ≤ 20Ω) is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response. This pin must always be 1.4V higher than Vout in order for the device to regulate properly. Rev. 1.1 September 2008 www.aosmd.com Page 2 of 8 AOZ1117 Absolute Maximum Ratings Exceeding the Absolute Maximum ratings may damage the device. Recommend Operating Ratings The device is not guaranteed to operate beyond the Maximum Operating Ratings. Parameter VIN to GND Maximum Junction Temperature (TJ) Power Dissipation (PD), TA = 25°C, TJ = 125°C, PD = (TJ – TA) / θJA No heat sink; no air flow Multi-layer PCB copper area (10mm x 10mm) Storage Temperature (TS) ESD Rating(1) Rating -0.3V to +15V 150°C Parameter Supply Voltage (VIN) Operating Junction Temperature (TJ) Ambient Temperature (TA) Package Thermal Resistance (ΘJA)(2) Rating 2.75V to +14V 0°C to +125°C -40°C to +85°C 50°C/W 1050mW 1818mW -65°C to +150°C ±2kV Note: 2.The package ΘJA is measured with the device mounted on 1-in2 FR-4 board with 2oz. Copper, in a still air environment with TA = 25°C. The value in any given application depends on the user’s specific board design. Note: 1. Devices are inherently ESD sensitive, handling precautions are required. Human body model rating: 1.5kΩ in series with 100pF. Block Diagram VIN 3 2 VOUT + + CURRENT LIMIT + Thermal Shutdown 1 1.25V + 1 GND (Fixed) ADJ Rev. 1.1 September 2008 www.aosmd.com Page 3 of 8 AOZ1117 Electrical Characteristics Under Operating Conditions Parameter Operation Input Voltage Reference Voltage Output Voltage Device All AOZ1117-ADJ AOZ1117-1.5 AOZ1117-1.8 AOZ1117-2.5 AOZ1117-3.3 AOZ1117-5.0 Conditions TJ = 25°C, (VIN-OUT) = 1.5V, IOUT = 10mA IOUT = 10mA, TJ = 25°C, 3V ≤ VIN ≤ 12V IOUT = 10mA, TJ = 25°C, 3.3V ≤ VIN ≤ 12V IOUT = 10mA, TJ = 25°C, 4V ≤ VIN ≤ 12V IOUT = 10mA, TJ = 25°C, 4.8V ≤ VIN ≤ 12V IOUT = 10mA, TJ = 25°C, 6.5V ≤ VIN ≤ 12V VIN = VOUT+1.5V~7V, IO = 10mA, TJ = 25°C VIN = VOUT+1.5V~12V, IO = 10mA, TJ = 25°C Min. 2.75 1.225 1.470 1.764 2.450 3.235 4.900 Typ. 1.250 1.500 1.800 2.500 3.300 5.000 0.1 0.1 Max 14 1.275 1.530 1.836 2.550 3.365 5.100 0.3 0.5 1 Unit V V V V V V V % % % mV mV mV mV mV V A Line Regulation(1)(2) All Load Regulation(1)(2) AOZ1117-ADJ AOZ1117-1.5 AOZ1117-1.8 AOZ1117-2.5 AOZ1117-3.3 AOZ1117-5.0 VIN = 3V, Vadj = 0,10mA < IO 10mm x 10mm. Rev. 1.1 September 2008 www.aosmd.com Page 4 of 8 AOZ1117 Typical Performance Characteristics Dropout Voltage vs Output Current 2.0 1.8 0.20 Load Regulation vs Temperature Output Voltage Deviation (%) 1.6 0 I load = 800mA -0.20 Dropout Voltage (V) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 250 500 750 1000 Tj = 125 oC Tj = 25 oC -0.40 -0.80 -1 -25 0 25 50 75 100 125 Output Current (mA) Temperature (oC) Percent Change in Output Voltage vs Temperature 2 1 Line Regulation Output Voltage Deviation (%) Output Voltage Change (%) 1.5 1 0. 5 0 -0.5 -1 -1.5 -2 -50 -25 0 25 50 o 0.8 0.6 0.4 0.2 75 100 125 150 0 2 4 6 8 10 12 Temperature ( C) Input Voltage (V) Output Voltage Deviation (mV) Input Voltage (V) Line Transient Response 7.5 6.5 5.5 40 20 0 -20 -40 0 20 40 60 80 100 120 140 160 180 200 Cin=1μF Cout=10μF Tantalum Output Voltage Deviation (mV) 30 20 10 0 -10 -20 2 1 0 -1 0 10 Load Transient Response C in = 1μF C out = 10 μF Tantalum Preload = 100mA Load Current (A) 20 30 40 50 60 70 80 90 100 Time (μs) Time (μs ) Rev. 1.1 September 2008 www.aosmd.com Page 5 of 8 AOZ1117 Package Dimensions, TO252-3L E b2 L3 A A2 c1 D Optional 1 2 3 H L1 e e1 b1 b 3 places .010" c .004" See Detail ‘D’ Gauge Plane L2 Seating Plane See Detail ‘E’ Optional L 0° to 10° A1 Option 1 Option 2 DETAIL ‘E’ DETAIL ‘D’ Dimensions in millimeters RECOMMENDED LAND PATTERN Symbols A A1 A2 b b1 b2 c c1 D E e e1 H L L1 L2 Min. 2.184 0.000 0.889 0.635 0.762 4.953 0.450 0.450 5.969 6.350 Nom. 2.286 — — 0.762 — — 0.508 — 6.096 Max. 2.388 0.127 1.143 0.889 1.143 5.461 0.610 0.610 6.223 Dimensions in inches Symbols A A1 A2 b b1 b2 c c1 D E e e1 H L L1 L2 Min. 0.086 0.000 0.035 0.025 0.030 0.195 0.018 0.018 0.235 0.250 Nom. 0.090 — — 0.030 — — 0.020 — 0.240 Max. 0.094 0.005 0.045 0.035 0.045 0.215 0.024 0.024 0.245 6.25 Min. 6.80 Min. 6.60 1.50 Min. 2.286 3.00 Min. 4.572 BSC UNIT: mm 6.604 6.731 2.286 BSC 4.572 BSC 9.398 — 10.414 1.270 — 2.032 0.635 — 1.016 0.508 BSC 0.260 0.265 0.090 BSC 0.180 BSC 0.370 — 0.410 0.050 — 0.080 0.025 — 0.040 0.020 BSC 0.035 — 0.050 L3 0.889 — 1.270 L3 Notes: 1. Package body sizes exclude mold flash and gate burrs. Mold flash should be less than 6 mils. 2. Dimension L is measured in gauge plane. 3. Tolerance 0.10mm unless otherwise specified. 4. Controlling dimension is millimeter, converted inch dimensions are not necessarily exact. 5. Refer to JEDEC TO-252(AA). Rev. 1.1 September 2008 www.aosmd.com Page 6 of 8 AOZ1117 Tape and Reel Dimensions, TO252-3L Carrier Tape T D1 P2 P1 E1 E2 B0 E K0 A0 D0 P0 Feeding Direction UNIT: mm Package A0 B0 10.50 ±0.10 K0 2.70 ±0.10 D0 1.50 +0.10 D1 1.50 Min. E 16.00 ±0.10 E1 1.75 ±0.10 E2 7.50 ±0.10 P0 8.00 ±0.10 P1 4.00 ±0.10 P2 2.00 ±0.10 T 0.30 ±0.05 TO-252 (DPAK) 6.90 (16mm) ±0.10 Reel T S G M V N K R H UNIT: mm W W 17.50 ±0.50 T H 2.30 ø13.50 +0.10 K 10.60 S 2.5 ±0.10 G — R — V — Tape Size Reel Size M N 16mm ø330 ø330.00 ø99.50 ±0.5 ±1.0 Leader / Trailer & Orientation Trailer Tape 300mm min. or 75 empty pockets Components Tape Orientation in Pocket Leader Tape 500mm min., or 125 empty pockets Rev. 1.1 September 2008 www.aosmd.com Page 7 of 8 AOZ1117 Part Marking 1 1 1 7 T I 33 Part Number Code Underline Denotes Green Product BA8612 1 3 Alpha & Omega Semiconductor reserves the right to make changes at any time without notice. LIFE SUPPORT POLICY ALPHA & OMEGA SEMICONDUCTOR PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. Rev. 1.1 September 2008 www.aosmd.com Page 8 of 8