SS6732 300mA Low Dropout Linear Regulator n FEATURES n DESCRIPTION Thve SS6732 is a 3-pin low-dropout linear l Low dropout voltage of 130mV at 100mA output current (5.2V output version). Guaranteed 300mA output current. Internal 1.3Ω P-MOSFET draws no base current. Low ground current: 55uA. Accuracy of output voltage 2% of 3.3V/ 3.4V/ 3.5V/ 3.6V/ 3.7V/ 3.8V/ 5.0V/ 5.2V. Input voltage range up to 12V. Needs only 1µF for stability. l Current limiting and thermal Protection. is exceptionally low: 130mV for the SS6732- l l l l l l regulator. The superior characteristics of the SS6732 include zero base current loss, very low dropout voltage, and 2% accurate output voltage. Typical approximately ground 55µA, current under remains output conditions from zero up to the maximum load. Dropout voltage at 100mA output current 50 and -52, 180mV for the SS6732-33, -34, n APPLICATIONS l l l l l SS6732-35, -36, -37 and -38. Voltage Regulator for CD-ROM Drivers. Voltage Regulator for LAN Cards. Voltage Regulator for Microprocessor. Wireless Communication Systems. Battery Powered Systems. Current limiting and thermal protection are built in to protect the SS6732 against fault conditions. The SS6732 comes in the popular 3-pin SOT-89 package. n TYPICAL APPLICATION CIRCUIT VIN SS6732 VOUT VIN VOUT + 1µF CIN GND + 10µF C OUT Low Dropout Linear Regulator Rev.2.01 6/26/2003 www.SiliconStandard.com 1 of 7 SS6732 n ORDERING INFORMATION SS6732-XXCXXX PIN CONFIGURATION PACKING TYPE TR: TAPE & REEL BG: BAG SOT-89 FRONT VIEW 1. GND 2. VIN 3. VOUT PACKAGE TYPE X: SOT-89 1 2 3 OUTPUT VOLTAGE 33: 3.3V 34: 3.4V 35: 3.5V 36: 3.6V 37: 3.7V 38: 3.8V 50: 5.0V 52: 5.2V Example: SS6732-33CXTR à 3.3V Version, in SOT-89 Package in Tape & Reel Packing n ABSOLUTE MAXIMUM RATINGS Input Supply Voltage...................................................… … … … ..… … .................... -0.3~12V Operating Junction Temperature Range .....… … … ........… … … … ................ -40°C~ 125°C Storage Temperature Range ....................… … ......................… … … .............. -65°C~150°C Power Dissipation SOT-89 Package ....… ...… ................. 0.5W n TEST CIRCUIT Refer to the TYPICAL APPLICATION CIRCUIT Rev.2.01 6/26/2003 www.SiliconStandard.com 2 of 7 SS6732 n ELECTRICAL CHARACTERISTICS (TJ=25°C, CIN=1µF, COUT=10µF, unless otherwise specified.) PARAMETER Output Voltage Output Voltage Temp. Coefficiency Line Regulation Load Regulation (Note 2) Current Limit (Note 3) Rev.2.01 6/26/2003 TEST CONDITIONS SS6732-52 SS6732-50 SS6732-38 SS6732-37 SS6732-36 SS6732-35 SS6732-34 SS6732-33 VIN=5.5~12V, IOUT=0mA VIN=5.5~12V, IOUT=0mA VIN=4.1~12V, IO U T=0mA VIN=4.0~12V, IOUT=0mA VIN=4.0~12V, IOUT=0mA VIN=4.0~12V, IOUT=0mA V IN=4.0~12V, IOUT=0mA VIN=3.6~12V, IOUT=0mA MIN. TYP. MAX. UNIT 5.100 4.900 3.725 3.625 3.528 3.430 3.332 3.235 5.2 5.0 3.8 3.7 3.6 3.5 3.4 3.3 5.300 5.100 3.875 3.775 3.672 3.570 3.468 3.365 V 50 150 PPM/°C 5 5 5 5 5 5 5 5 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 40 40 40 40 40 40 40 40 (Note 1) IOUT=1mA SS6732-52 SS6732-50 SS6732-38 SS6732-37 SS6732-36 SS6732-35 SS6732-34 SS6732-33 VIN=5.5~12V VIN=5.5~12V VIN=4.1~12V VIN=4.0~12V VIN=4.0~12V VIN=4.0~12V VIN=4.0~12V VIN=3.6~12V SS6732-52 SS6732-50 SS6732-38 SS6732-37 SS6732-36 SS6732-35 SS6732-34 SS6732-33 VIN=7V, IOUT=0.1~300mA VIN=7V, IOUT=0.1~300mA VIN=5V, IOUT=0.1~300mA VIN=5V, IOUT=0.1~300mA VIN=5V, IOUT=0.1~300mA VIN=5V, IOUT=0.1~300mA VIN=5V, IOUT=0.1~300mA VIN=5V, IOUT=0.1~300mA SS6732-52 SS6732-50 SS6732-38 SS6732-37 SS6732-36 SS6732-35 SS6732-34 SS6732-33 VIN=7V, VIN=7V, VIN=7V, VIN=5V, VIN=5V, VIN=5V, VIN=5V, VIN=5V, VOUT=0V VOUT=0V VOUT=0V VOUT=0V VOUT=0V VOUT=0V VOUT=0V VOUT=0V www.SiliconStandard.com 300 300 300 300 300 300 300 300 440 440 440 440 440 440 440 440 mV mV mA 3 of 7 SS6732 n ELECTRICAL CHARACTERISTICS (Continued) PARAMETER Dropout Voltage (Note 4) Ground Current Note 1: Note 2: Note 3: Note 4: TEST CONDITIONS MIN. IOUT=300mA IOUT=300mA IOUT=300mA IOUT=300mA IOUT=300mA IOUT=300mA IOUT=300mA IOUT=300mA SS6732-52 SS6732-50 SS6732-38 SS6732-37 SS6732-36 SS6732-35 SS6732-34 SS6732-33 IOUT=0.1mA~IMAX SS6732-52 SS6732-50 SS6732-38 SS6732-37 SS6732-36 SS6732-35 SS6732-34 SS6732-33 TYP. MAX. UNIT 400 400 540 540 540 540 540 540 500 500 640 640 640 640 640 640 mV 55 55 55 55 55 55 55 55 80 80 80 80 80 80 80 80 µA VIN=5.5~12V VIN=5.5~12V VIN=4~12V VIN=4~12V VIN=4~12V VIN=4~12V VIN=4~12V VIN=4~12V Guaranteed by design. Regulation is measured at constant junction temperature, using pulse testing with a low ON time. Current limit is measured by pulsing a short time. 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. n TYPICAL PERFORMANCE CHARACTERISTICS 60 50 103 Ground Current (µA) Normalized Output Voltage (%) 104 100 98 40 30 20 10 96 0 -40 0 0 Fig. 1 Rev.2.01 6/26/2003 50 100 125 0 2 Temperature ( °C) 4 6 8 10 12 Input Voltage (V) Output Voltage vs. Temperature Fig. 2 www.SiliconStandard.com Ground Current vs. Input Voltage 4 of 7 SS6732 n TYPICAL PERFORMANCE CHARACTERISTICS (Continued) 60 600 Dropout Voltage (mV) Ground Current (µA) V OUT =3.3V, 3.5V, 3.7V & 3.8V 500 58 IL =300mA 56 IL =150mA 54 IL=0.1mA 52 400 300 200 V OUT =5.0V & 5.2V 100 0 50 -50 -25 0 25 75 50 125 100 0 Temperature (° C) Fig. 3 Ground Current vs. Temperature 100 50 150 300 250 200 Load Current (mA) Dropout Voltage vs. Load Current Fig. 4 Output Voltage (mV, AC) Output Voltage (mV, AC) 100 50 20 0 COUT=1µF IL=1mA VOUT=5.2V 0 -20 COUT=1µF VOUT=5.2V -40 Load Current (mA) Input Voltage (V) -50 -60 8 6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 150 0.1 1.0 0 0.5 Time (mS) Fig. 5 Line Transient Response 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Time (mS) Fig. 6 Load transient Response 100 3.3V Output Current, IOUT (mA) Current Voltage (mV, AC) 400 COUT=1µF VOUT =5.2V 0 -100 Load Current (mA) -200 150 3.5V 3.7V 3.8V 300 200 5.2V 5V 100 0.1 0 0.5 1.0 1.5 Fig. 7 Rev.2.01 6/26/2003 2.0 2.5 3.0 3.5 4.0 Time (mS) Load Transient Response 4.5 5.0 0 4 5 6 7 8 9 10 11 12 Input Voltage VIN (V) Fig. 8 www.SiliconStandard.com Recommended Max. Output Current vs. Input Voltage 5 of 7 SS6732 n BLOCK DIAGRAM VIN VOUT CURRENT LIMITING ERROR AMP + - + THERMAL LIMITING VREF 1.235V GND n PIN DESCRIPTIONS VOUT PIN - Output pin. GND PIN - Power GND. VIN PIN - Power Supply Input. n APPLICATION INFORMATIONS A capacitor of at least 1uF is required between value of this capacitor may be increased without the device output pin and ground for stability. limit. Without this capacitor the part will oscillate. Even though most types of capacitor may work, the A capacitor of at least 0.1uF should be placed equivalent series resistance (ESR) should be held from the SS6732 input to ground if the lead to 5Ω or less if an Aluminum electrolytic type is used. inductance between the input and power source Many Aluminum electrolytics have electrolytes exceeds 500nH (approximately 10 inches of trace). that freeze at about -30°C, so solid tantalums are recommended for operation below -25°C. The Rev.2.01 6/26/2003 www.SiliconStandard.com 6 of 7 SS6732 n PHYSICAL DIMENSIONS l SOT-89 (unit: mm) D A SYMBOL MIN MAX C A 1.40 1.60 B 0.36 0.48 C 0.35 0.44 D 4.40 4.60 D1 1.62 1.83 E 2.29 2.60 D1 H E L B e e1 l e 1.50 (TYP.) e1 3.00 (TYP.) H 3.94 4.25 L 0.89 1.20 SOT-89 MARKING Part No. SS6732-33 SS6732-34 SS6732-35 SS6732-36 SS6732-37 SS6732-38 SS6732-50 SS6732-52 Marking AR33 AR34 AR35 AR36 AR37 AR38 AR50 AR52 Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no guarantee or warranty, express or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of Silicon Standard Corporation or any third parties. Rev.2.01 6/26/2003 www.SiliconStandard.com 7 of 7