AIC1722A-50GXATR

AIC1722A 300mA Low Dropout Linear Regulator   FEATURES  Low Dropout Voltage of 470mV at 300mA Output Current (3.0V Output Version).  Guaranteed 300mA Output Current.  Maximum Input Voltage is 8V  Low Ground Current at 55A.  2% Accuracy Output Voltage of 1.5V/1.8V/ 2.0V /2.5V /2.7V/ 3.0V/ 3.3V/ 3.5V/ 3.7V/ 3.8V/ 5.0V/ 5.2V.  Needs only 1F for Stability.  Current and Thermal Limiting.  DESCRIPTION The AIC1722A is a 3-pin low dropout linear regulator. The superior characteristics of the AIC1722A include zero base current loss, very low dropout voltage, and 2% accuracy output voltage. Typical ground current remains approximately 55A, from no load to maximum loading conditions. Dropout voltage at 300mA output current is exceptionally low. Output current limiting and thermal limiting are built in to provide maximal protection to the AIC1722A against fault conditions. The AIC1722A comes in the popular 3-pin SOT-89, TO-92 and SOT-23 packages. APPLICATIONS  Voltage Regulator for CD-ROM Drivers.  Voltage Regulator for LAN Cards.  Voltage Regulator for Microprocessor.  Wireless Communication Systems.  Battery Powered Systems.  TYPICAL APPLICATION CIRCUIT VOUT VIN AIC1722A VIN + CIN 1F GND VOUT + COUT 1F (Note1) Low Dropout Linear Regulator Analog Integrations Corporation Si-Soft Research Center DS-1722AG-04 20120615 3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C. TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw 1 AIC1722A  ORDERING INFORMATION AIC1722A-XXXXX XX PIN C ON FIGU RATION PACKING TYPE TR : REEL BG: BAG PACKAGE TYPE U : SOT-23 XA: SOT-89 XT: SOT-89 ZT: TO-92 ZL : TO-92 P: Lead Fre e Commercial G: Green Package OU TPUT VOLTAGE 15: 1.5V 18: 1.8V 20: 2.0V 25: 2.5V 27: 2.7V 30: 3.0V 33: 3.3V 35: 3.5V 37: 3.7V 38: 3.8V 50: 5.0V 52: 5.2V Exa mple: AIC 1722A-18PXATR  1.8V Version, in SOT-89 Package & Tape & R eel Packing Type(lead free) AIC 1722A-18GXATR  1.8V Version, in SOT-89 L ead Free Package & Ta pe & Reel Packing Type (green) 3 SOT-23 (U) TOP VIEW 1: GN D 2: VOUT 3: VIN 1 2 SOT-89 (XA) TOP VIEW 1: GN D 2. VIN 3. VOUT SOT-89 (XT) TOP VIEW 1: VOUT 2. GN D 3. VIN TO-92 (ZTBG) TOP VIEW 1: GN D 2. VIN 3. VOUT 1 2 3 1 2 3 1 2 3 1 23 * Straight lead option ava ilable in bag packing type only. * Refer to physical dimensions for lead pitch. TO-92 (ZTTR) TOP VIEW 1: GN D 2. VIN 3. VOUT 1 2 3 1 2 3 * Formed lea d option available in reel packing type. * Refer to physical dimensions for lead pitch. TO-92 (ZLBG) TOP VIEW 1: VIN 2. GN D 3. VOUT 1 2 3 1 23 * Straight lead option ava ilable in bag packing type only. * Refer to physical dimensions for lead pitch. TO-92 (ZLBG) TOP VIEW 1: VIN 2. GN D 3. VOUT 1 2 3 1 2 3 * Formed lea d option available in reel packing type. * Refer to physical dimensions for lead pitch. 2 AIC1722A    SOT-23 MARKING Part No. PU GU Part No. PU GU AIC1722A-15XU BN15P BN15G AIC1722A-33XU BN33P BN33G AIC1722A-18XU BN18P BN18G AIC1722A-35XU BN35P BN35G AIC1722A-20XU BN20P BN20G AIC1722A-37XU BN37P BN37G AIC1722A-25XU BN25P BN25G AIC1722A-38XU BN38P BN38G AIC1722A-27XU BN27P BN27G AIC1722A-50XU BN50P BN50G AIC1722A-30XU BN30P BN30G AIC1722A-52XU BN52P BN52G SOT-89 MARKING Part No. PXA AIC1722A-15XXA AL15P AIC1722A-18XXA GXA Part No. PXT GXT AL15G AIC1722A-15XXT BA15P BA15G AL18P AL18G AIC1722A-18XXT BA18P BA18G AIC1722A-20XXA AL20P AL20G AIC1722A-20XXT BA20P BA20G AIC1722A-25XXA AL25P AL25G AIC1722A-25XXT BA25P BA25G AIC1722A-27XXA AL27P AL27G AIC1722A-27XXT BA27P BA27G AIC1722A-30XXA AL30P AL30G AIC1722A-30XXT BA30P BA30G AIC1722A-33XXA AL33P AL33G AIC1722A-33XXT BA33P BA33G AIC1722A-35XXA AL35P AL35G AIC1722A-35XXT BA35P BA35G AIC1722A-37XXA AL37P AL37G AIC1722A-37XXT BA37P BA37G AIC1722A-38XXA AL38P AL38G AIC1722A-38XXT BA38P BA38G AIC1722A-50XXA AL50P AL50G AIC1722A-50XXT BA50P BA50G AIC1722A-52XXA AL52P AL52G AIC1722A-52XXT BA52P BA52G ABSOLUTE MAXIMUM RATINGS Input Supply Voltage ...................................................…………..…….................. -0.3~8V Operating Temperature Range …………….....………........…………................ -40C~ 85C Junction Temperature ……………………………………………………………………... 125C Storage Temperature Range ....................……......................………............. -65C~150C Lead Temperature (Soldering. 10sec) …………………………………………………… 260C Thermal Resistance Junction to Case SOT-23……………………………….130C /W SOT-89…..………………..…………..30C /W TO-92…………………………………120C /W Thermal Resistance Junction to Ambient SOT-23..………………………………180C /W (Assume no ambient airflow, no heatsink) SOT-89………………………………. 160C /W TO-92…………………………………150C /W Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. 3 AIC1722A  TEST CIRCUIT Refer to the TYPICAL APPLICATION CIRCUIT.  ELECTRICAL CHARACTERISTICS (TA=25C, CIN=1F, COUT=1F, unless otherwise specified.) (Note 2) PARAMETER Output Voltage TEST CONDITIONS VIN=8V, No Load MIN. TYP. -2 MAX. UNIT +2 % mV IL=1mA, Line Regulation Load Regulation (Note 3) Current Limit (Note 4) Dropout Voltage (Note 5) 1.4VVOUT3.2V VIN=4V~8V 3 10 3.3VVOUT5.2V VIN=5.5V~8V 3 15 1.4VVOUT3.9V VIN=5V 7 20 4.0VVOUT5.2V VIN=7V 15 40 IL=0.1~300mA VIN=7V, VOUT=0V IL=300mA 300 mV mA 4.0VVOUT5.2V 400 500 3.0VVOUT3.9V 470 570 2.5VVOUT2.9V 570 670 2.0VVOUT2.4V 800 900 1.4VVOUT1.9V 1260 1360 mV IO=0.1mA~IMAX Ground Current Thermal Shutdown Hysteresis 1.4VVOUT3.9V VIN=5~8V 55 80 4.0VVOUT5.2V VIN=7~8V 55 80 Guaranteed by design 20 A ºC Note 1: To avoid output oscillation, aluminum electrolytic output capacitor is recommended and ceramic capacitor is not suggested. Note 2: Specifications are production tested at TA =25C. Specifications over the -40C to 85C operating temperature range are assured by design, characterization and correlation with Statistical Quality Controls (SQC). Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low ON time. Note 4: Current limit is measured by pulsing a short time. Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below the value measured with a 1V differential. 4 AIC1722A TYPICAL PERFORMANCE CHARACTERISTICS 2.52 2.00 AIC1722A-18 AIC1722A-25 1.95 2.51 V OUT (V) 1.90 VOUT (V) 1.85 1.80 1.75 2.50 2.49 2.48 1.70 2.47 1.65 1.60 -40 -20 0 20 40 60 80 100 2.46 -40 -20 o Temperature ( C) Fig. 1 VOUT vs. Temperature 0 20 40 60 80 100 Temperature (C) Fig. 2 VOUT vs. Temperature 5.30 3.40 AIC1722A-52 AIC1722A-33 3.35 3.30 V OUT (V) VOUT (V) 5.25 3.25 5.20 3.20 5.15 3.15 3.10 -40 -20 0 20 40 60 80 100 5.10 -40 Temperature (C) Fig. 3 VOUT vs. Temperature 60 -20 0 20 40 60 80 100 Temperature (C) Fig. 4 VOUT vs. Temperature 70 AIC1722A-25 AIC1722A-18 58 56 Ground Current (A) Ground Current(A)  ILOAD =0mA 54 52 50 ILOAD =300mA 48 46 44 ILOAD=100mA 65 ILOAD=100mA 60 ILOAD=0mA 55 50 ILOAD=300mA 42 40 45 -40 -20 0 20 40 60 Temperature(C) Fig. 5 Ground Current vs. Temperature 80 -40 -20 0 20 40 60 80 Temperature (C) Fig. 6 Ground Current vs. Temperature 5 AIC1722A TYPICAL PERFORMANCE CHARACTERISTICS 60 75 (Continued) AIC1722A-52 AIC1722A-33 58 70 Ground Current (A) Ground Current (A) 80 65 ILOAD = 0mA 60 ILOAD = 300mA 55 50 ILOAD = 100mA 45 ILOAD=0mA 56 ILOAD=100mA 54 52 50 ILOAD=300mA 48 40 -40 -20 0 20 40 60 46 -40 80 Temperature (C) 0 20 40 60 80 Fig. 8 Ground Current vs. Temperature AIC1722A-18 60 AIC1722A - 25 60 Ground Current (A) Ground Current (A) 70 -20 Temperature (C) Fig. 7 Ground Current vs. Temperature 50 40 30 20 50 40 30 20 10 10 0 0 0 1 2 3 4 5 6 7 VIN (V) Fig. 9 Ground Current vs. VIN 0 8 1 2 3 4 5 6 7 8 7 8 V IN (V) Fig. 10 Ground Current vs. VIN 70 70 AIC1722A-33 AIC1722A-52 60 60 Ground Current (uA) Ground Current (A)  50 40 30 20 50 40 30 20 10 10 0 0 0 1 2 3 4 5 6 7 VIN (V) Fig. 11 Ground Current vs. VIN 8 0 1 2 3 4 5 6 V IN (V) Fig.12 Ground Current vs. VIN 6 AIC1722A TYPICAL PERFORMANCE CHARACTERISTICS AIC1722A-25 AIC1722A-18 900 V DROP (mV) VDROP (V) T=80C 400 800 T=20°C T=-40°C 700 600 T=50C 300 T=20C 200 T=-40C T=80°C 100 T=50°C 500 0 400 0 100 50 150 200 250 0 300 50 100 150 200 ILOAD (mA) I LOAD (mA) Fig. 13 VDROP vs. ILOAD Fig. 14 VDROP vs. ILOAD 360 300 AIC1722A-33 250 300 AIC1722A-52 T=50C 300 250 240 V DROP (mV) VDROP (mV) (Continued) 500 1000 T=80C T=20C 180 T=-40C 120 T=50C 200 T=80C 150 100 T=20C 50 60 T=-40C 0 0 0 60 120 180 240 300 0 50 100 150 200 250 300 I LOAD (mA) ILOAD (mA) Fig. 16 VDROP vs. ILOAD Fig. 15 VDROP vs. ILOAD 540 AIC1722A 530 Currnet Limit (mA)  V IN=7V 520 510 V IN=6V 500 490 480 V IN=5V 470 V IN=4V 460 -40 -20 0 20 40 60 80 Temperature (C) Fig. 17 Current Limit vs. Temperature 7 AIC1722A  BLOCK DIAGRAM VIN VOUT CURRENT LIMITING ERROR AMP + - + THERMAL SHUTDOWN 1.235V Reference GND  PIN DESCRIPTIONS VOUT PIN - Output pin. GND PIN - Power GND. VIN PIN - Power Supply Input. 8 AIC1722A  APPLICATION INFORMATION INPUT-OUTPUT CAPACITORS Linear regulators require input and output capacitors to maintain stability. Input capacitor at 1F with 1uF aluminum electrolytic output capacitor is recommended. POWER DISSIPATION The AIC1722A obtains thermal-limiting circuitry, which is designed to protect the device against overload condition. For continuous load condition, maximum rating of junction temperature must not be exceeded. It is important to pay more attention in thermal resistance. It includes junction to case, junction to ambient. The maximum power dissipation of AIC1722A depends on the thermal resistance of its case and circuit board, the temperature difference between the die junction and ambient air, and the rate of airflow. The rate of temperature rise is greatly affected by the mounting pad configuration on the PCB, the board material, and the ambient temperature. When the IC mounting with good thermal conductivity is used, the junction temperature will be low even when large power dissipation applies. The power dissipation across the device is P = IOUT (VIN-VOUT). The maximum power dissipation is: (T - TA ) PMAX  J-max Rθ JA Where TJ-max is the maximum allowable junction temperature (125C), and TA is the ambient temperature suitable in application. As a general rule, the lower temperature is, the better reliability of the device is. So the PCB mounting pad should provide maximum thermal conductivity to maintain low device temperature. GND pin performs a dual function for providing an electrical connection to ground and channeling heat away. Therefore, connecting the GND pin to ground with a large pad or ground plane would increase the power dissipation and reduce the device temperature. 9 AIC1722A  PHYSICAL DIMENSIONS  SOT-23 (unit: mm) D A A E E1 e e1 SEE VIEW B WITH PLATING c A A2 b BASE METAL 0.25 A1 SECTION A-A GAUGE PLANE SEATING PLANE L1 VIEW B S Y M B O L θ L Note: 1. Refer to JEDEC MO-178. 2. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash, protrusion or gate burrs shall not exceed 10 mil per side. 3. Dimension "E1" does not include inter-lead flash or protrusions. 4. Controlling dimension is millimeter, converted inch dimensions are not necessarily exact. SOT-23 MILLIMETERS MIN. MAX. A 0.95 1.45 A1 0.00 0.15 A2 0.90 1.30 b 0.30 0.50 c 0.08 0.22 D 2.80 3.00 E 2.60 3.00 E1 1.50 1.70 e 0.95 BSC e1 1.90 BSC L θ 0.60 0.30 0.60 REF L1 0° 8° 10 AIC1722A SOT-89 D A C H E D1 L  e S Y M B O L e1 B1 B SOT-89 MILLIMETERS MIN. MAX. A 1.40 1.60 B 0.44 0.56 B1 0.36 0.48 C 0.35 0.44 D 4.40 4.60 D1 1.50 1.83 E 2.29 2.60 e 1.50 BSC e1 3.00 BSC H 3.94 4.25 L 0.89 1.20 Note: 1. Refer to JEDEC TO-243AA. 2. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash, protrusion or gate burrs shall not exceed 6 mil per side. 3. Dimension "E" does not include inter-lead flash or protrusions. 4. Controlling dimension is millimeter, converted inch dimensions are not necessarily exact. 11 AIC1722A TO-92 (Straight lead option available in Bag packing type only) E b S D S Y M B O L A j TO-92 MILLIMETERS MIN. MAX. A 4.32 5.33 b 0.36 0.47 D 4.45 5.20 E 3.18 4.19 e 2.42 2.66 e1 1.15 1.39 j 3.43 L 12.70 S 2.03 2.66 L  Note: 1. Refer to JEDEC TO-226. 2. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash, protrusion or gate burrs shall not exceed 6 mil per side . 3. Dimension "A" does not include inter-lead flash or protrusions. 4. Controlling dimension is millimeter, converted inch dimensions are not necessarily exact. e1 e 12 AIC1722A  TO-92 (Formed lead option available in Reel packing) A W B E F P1 P e φD T SYMBOL W A B E F SPEC. 1 8 .0 ± 0 .2 9 .0 ± 0 .2 6 .0 ± 0 .2 0 1 6 .0 ± 0 .5 1 9 .0 ± 0 .5 SYMBOL P P1 D e T SPEC. 1 2 .7 B S C 1 2 .7 B S C 4 .0 ± 0 .2 2 .5 B S C 0 .6 ± 0 .1 Note: Information provided by AIC is believed to be accurate and reliable. However, we cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an AIC product; nor for any infringement of patents or other rights of third parties that may result from its use. We reserve the right to change the circuitry and specifications without notice. Life Support Policy: AIC does not authorize any AIC product for use in life support devices and/or systems. Life support devices or systems are devices or systems which, (I) are intended for surgical implant into the body or (ii) support or sustain life, and 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 to the user. 13