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| SS6721G/DG 150mA/300mA Low Dropout Linear Regulator with 1% Output Accuracy FEATURES Low dropout voltage of 130mV at 100mA output current (5V output version). Guaranteed 150mA/300mA output current. Internal 1.3 P-MOSFET draws no base-current. Low ground current of 55A. Output voltage accuracy of 1% at 3.3V/5V. Input voltage range up to 12V (5V output version) Extremely tight load and line regulation. Fast transient response. Current limiting and thermal protection. DESCRIPTION The SS6721/6721D are 150/300mA low dropout linear regulators. The superior characteristics of the SS6721 and SS6721D include zero base-current loss, very low dropout voltage, and 1% accuracy of output voltage. Typical ground current is approximately 55A, across the load range from zero to maximum. With an output current of 100mA, the dropout voltage of the SS6721 and SS6721D is substantially lower (130mV for SS6721-50 and SS6721D-50, and 180mV for the SS6721-33 and SS6721D-33) when compared with a bipolar device. Built-in output current and thermal limiting provide maximum protection of the SS6721 and SS6721D against fault conditions. The SS6721 and SS6721D are available in the popular SOT-89 and TO-92 packages. RoHS compliant. APPLICATIONS LAN Cards. Wireless Communication Systems. Battery Powered Systems. TYPICAL APPLICATION CIRCUIT VIN VIN SS6721/ SS6721D VOUT VOUT GND + 1F CIN + 10F COUT Low Dropout Linear Regulator 1/21/2005 Rev.2.01 www.SiliconStandard.com 1 of 7 SS6721G/DG ORDERING INFORMATION SS6721X-XX XXXX Packing TR: Tape and reel PACKAGE TYPE X: SOT-89 Z: TO-92 G: RoHS compliant SOT-89 Front view 1. VOUT 2. GND 3. VIN TO-92 Front view 1. VOUT 2. GND 3. VIN PIN CONFIGURATION 1 2 3 1 2 3 Output voltage Default: 3.3V 50: 5.0V Output current: Default: 150mA D: 300mA Example: SS6721GXTR 150mA, 3.3V version, in RoHS-compliant SOT-89, shipped on tape and reel SS6721D-50GZTR 300mA, 5.0V version, in RoHS-compliant TO-92, shipped on tape and reel SOT89 Marking Part No. SS6721GX SS6721-50GX Marking AF33P AF50P Part No. SS6721DGX SS6721D-50GX Marking AG33P AG50P ABSOLUTE MAXIMUM RATINGS Input Supply Voltage Operating Junction Temperature Range Maximum Junction Temperature Storage Temperature Range Power Dissipation SOT-89 Package TO-92 Package Lead Temperature (Soldering) 10 sec. -0.3~12V -40C~ 85C 125C -65C~150C 0. 80W 0.78W 260C Exceeding the Absolute Maximum Ratings may impair the life of a device. 1/21/2005 Rev.2.01 www.SiliconStandard.com 2 of 7 SS6721G/DG TEST CIRCUIT Refer to the TYPICAL APPLICATION CIRCUIT ELECTRICAL CHARACTERISTICS (Tj = 25C, CIN = 1F, COUT = 10F, unless otherwise specified.) PARAMETER Output Voltage Output Voltage Temperature Coefficient Line Regulation TEST CONDITIONS SS6721/6721D-50 VIN=5.5 to12V, IOUT=0mA SS6721/6721D VIN=3.6 to12V, IOUT=0mA (Note 1) MIN. 4.950 3.267 TYP. 5.0 3.3 50 MAX. 5.050 3.333 150 UNIT V PPM/C Load Regulation (Note 2) Current Limit (Note 3) Dropout Voltage (Note 4) Ground Current IOUT=1mA SS6721/6721D-50 VIN=5.5 to12V VIN=3.6 to12V SS6721/6721D SS6721-50 VIN=7V, IOUT=0.1 to 150mA VIN=7V, IOUT=0.1 to 300mA SS6721D-50 VIN=5V, IOUT=0.1 to 150mA SS6721 SS6721D VIN=5V, IOUT=0.1 to 300mA SS6721-50 VIN=7V, VOUT=0V VIN=5V, VOUT=0V SS6721 VIN=7V, VOUT=0V SS6721D-50 SS6721D VIN=5V, VOUT=0V SS6721-50 IOUT=150mA IOUT=150mA SS6721 IOUT=300mA SS6721D-50 IOUT=300mA SS6721D IOUT=0.1mA to IMAX SS6721/6721D-50 VIN=5.5 to 12V VIN=4 to 12V SS6721/6721D 300 300 300 300 3 3 7 7 7 7 440 440 440 440 200 270 400 540 55 55 10 10 15 25 15 25 mV mV mA 300 370 500 640 80 80 mV A Note 1: Note 2: Note 3: Note 4: Note5: Guaranteed by design. Regulation is measured at a constant junction temperature, which is maintained using pulse testing. Current limit is measured by pulse testing. Dropout voltage is defined as voltage differential at which the output voltage drops 100mV with an initial 1V differential between input and output. Specifications over -40C to 85C operating temperature range are guaranteed by design with Statistical Quality Controls (SQC), not production test. 1/21/2005 Rev.2.01 www.SiliconStandard.com 3 of 7 SS6721G/DG TYPICAL PERFORMANCE CHARACTERISTICS 104 60 Normalized Output Voltage (%) 50 Ground Current (A) -40 0 0 50 100 125 103 40 100 30 20 98 10 96 0 0 2 4 6 8 10 Temperature (C) Fig. 1 Output Voltage vs. Temperature Fig. 2 Input Voltage (V) Ground Current vs. Input Voltage 60 600 58 500 VOUT=3.3V Ground Current (A) Dropout Voltage (mV) 56 IL =300mA IL =150mA 400 300 54 200 52 IL=0.1mA VOUT=5.0V 100 50 -50 -25 0 25 50 75 100 125 0 0 50 100 150 2 00 25 0 300 Temperature (C) Fig. 3 Ground Current vs. Temperature 600 500 Load Current (mA) Fig. 4 Dropout Voltage vs. Load Current 500 VOUT=5V IL=300mA SS6721D Short Circuit Current (mA) 400 Dropout Voltage(mV) 400 300 IL=150mA 200 300 100 SS6721 IL=0.1mA 0 -50 -25 0 25 50 75 100 125 200 -50 -25 0 25 50 75 100 125 Temperature(C) Fig. 5 Dropout Voltage vs Temperature Temperature (C) Fig. 6 Short Circuit Current vs. Temperature 1/21/2005 Rev.2.01 www.SiliconStandard.com 4 of 7 SS6721G/DG TYPICAL PERFORMANCE CHARACTERISTICS (Continued) 100 Output Voltage (mV, AC) 50 0 -50 Output Voltage (mV, AC) 100 0 COUT=1F IL=1mA VOUT=5V -100 -200 COUT=1F VOUT=5V Load Current (mA) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Input Voltage (V) 8 6 150 0.1 Time (mS) Fig. 7 Line Transient Response 0 0.5 1.0 1.5 2.0 Time (mS) 2.5 3.0 3.5 4.0 4.5 5.0 Fig. 8 Load Transient Response COUT=10F Output Voltage (mA, AC) 20 0 VOUT=5V -20 -40 -60 Load Current (mA) 150 0.1 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Fig. 9 Time (mS) Load Transient Response BLOCK DIAGRAM VIN VOUT CURRENT LIMITING ERROR AMP THERMAL LIMITING + - + VREF 1.235V GND 1/21/2005 Rev.2.01 www.SiliconStandard.com 5 of 7 SS6721G/DG PIN DESCRIPTIONS VOUT PIN - Output pin. GND PIN - Power GND. VIN PIN - Power Supply Input. PHYSICAL DIMENSIONS SOT-89 D D1 (unit: mm) A C S Y M B O L SOT-89 MILLIMETERS MIN. 1.40 0.44 0.36 0.35 4.40 1.50 2.29 1.50 BSC 3.00 BSC 3.94 0.89 4.25 1.20 MAX. 1.60 0.56 0.48 0.44 4.60 1.83 2.60 A H B B1 C L E D D1 e e1 E e e1 H L B1 B 1/21/2005 Rev.2.01 www.SiliconStandard.com 6 of 7 SS6721G/DG TO-92 S Y M B O L TO-92 MILLIMETERS MIN. 4.32 0.36 4.45 3.18 2.42 1.15 3.43 12.70 2.03 2.66 MAX. 5.33 0.47 5.20 4.19 2.66 1.39 A b D E e e1 j L S 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. 1/21/2005 Rev.2.01 www.SiliconStandard.com 7 of 7 |
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