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| Advanced Monolithic Systems FEATURES * 5.0V, 6.2V and 8.0V Output Voltage Available* * Output Voltage Tolerance of 5% Over Temperature * Output Current in excess of 100mA * Internal Thermal Overload Protection * Overvoltage Protection * Short Circuit protection * TO-92, SO-8 and SOT-89 Packages Available AMS78LXX 100mA VOLTAGE REGULATOR APPLICATIONS * Battery Powered Systems * Portable Consumer Equipment * Cordless Telephones * Portable (Notebook) Computers * Portable Instrumentation * Radio Control Systems * Logic Systems GENERAL DESCRIPTION The AMS78LXX series consists of positive fixed voltage regulators ideally suited for use in battery-powered systems. These devices feature very low quiescent current of 1mA or less when supplying 10mA loads. This unique characteristic and the low input -output differential of less than 1V required for proper regulation, make the AMS78LXX ideal to use for standby power systems and portable equipment. The AMS78LXX series also includes internal current limiting, over voltage protection, thermal shutdown, and is able to withstand temporary power-up with mirror-image insertion. The AMS78LXX series is offered in the 3-pin TO-92 package, 8-pin plastic SOIC and SOT-89 packages. ORDERING INFORMATION OUTPUT PACKAGE TYPE SOT-89 AMS78L05L AMS78L62L AMS78L08L OPER. TEMP RANGE IND IND IND TO-92 8 LEAD SOIC VOLTAGE* 5.0V AMS78L05N AMS78L05S 6.2V AMS78L62N AMS78L62S 8.0V AMS78L08N AMS78L08S * For other fixed voltages consult factory. PIN CONNECTION TO-92 Plastic Package (N) OUTPUT INPUT 8L SOIC SO-Package (S) OUTPUT 1 GROUND 2 GROUND 3 8 INPUT 7 GROUND 6 GROUND 5 N/C SOT-89 Package (L) GND N/C 4 INPUT 1 2 GND 3 OUTPUT Bottom View Top View Front View Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS78LXX ABSOLUTE MAXIMUM RATINGS (Note 1) Input Voltage Power Dissipation (Note 4) Operating Junction Temperature 24V Internally Limited 0C to +125C Storage Temperature -65C to +150C Lead Temperature (Soldering 10 sec) 230C ESD 1000V ELECTRICAL CHARACTERISTICS AMS78L05 Electrical Characteristics at VIN =10V, IO =10mA, TJ=25C, C1=0.33F, CO = 10F unless otherwise specified. PARAMETER Output Voltage 7V V 20V, IO=100 mA -40C T 125C J IN CONDITIONS (Note 2) Min. 4.80 4.75 Typ. 5.0 Max. 5.2 5.25 Units V V mV Line Regulation 7V V 20V IN IN 18 10 20 5 0.6 75 54 60 30 1.0 8V V 20V Load Regulation 1mA I 100 mA O O mV 1mA I 40 mA Quiescent Current Output Noise Voltage Peak Output Current Average Output Voltage Tempco Ripple Rejection I = 5 mA O mA V mA mV/C dB 10Hz-100kHz 40 200 -0.65 47 62 5.6 6.0 fO = 120Hz 8V V 16V IN Minimum Value of Input Voltage Required to Maintain Line Regulation V AMS78L62 Electrical Characteristics at VIN =12V, IO =10mA, TJ=25C, C1=0.33F, CO = 10F unless otherwise specified. PARAMETER Output Voltage 8.5V V 20V, IO=100 mA -40C T 125C J IN CONDITIONS (Note 2) Min. 5.95 5.9 Typ. 6.2 Max. 6.45 6.5 Units V V mV Line Regulation 8.5V V 20V IN 65 55 13 6 0.6 175 125 80 40 1.0 9V V 20V IN Load Regulation 1mA I 100 mA O O mV 1mA I 40 mA Quiescent Current Output Noise Voltage Peak Output Current Average Output Voltage Tempco I = 5 mA O mA V mA mV/C 10Hz-100kHz 50 200 -0.75 Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS78LXX ELECTRICAL CHARACTERISTICS (Continued) AMS78L62 Electrical Characteristics at VIN =12V, IO =10mA, TJ=25C, C1=0.33F, CO = 10F unless otherwise specified. PARAMETER Ripple Rejection CONDITIONS (Note 2) fO = 120Hz 10V V 20V IN Min. 40 Typ. 46 6.8 Max. Units dB Minimum Value of Input Voltage Required to Maintain Line Regulation 7.0 V AMS78L08 Electrical Characteristics at VIN =14V, IO =10mA, TJ=25C, C1=0.33F, CO = 10F unless otherwise specified. PARAMETER Output Voltage 11V V 23V, IO=100 mA -40C T 125C J IN CONDITIONS (Note 2) Min. 7.60 7.60 Typ. 8.0 Max. 8.40 8.40 Units V V mV Line Regulation 11V V 23V IN IN O O 80 70 15 8 0.6 175 125 80 40 1.0 12V V 23V Load Regulation 1mA I 100 mA 1mA I 40 mA Quiescent Current Output Noise Voltage Peak Output Current Average Output Voltage Tempco Ripple Rejection I = 5 mA O mV mA V mA mV/C dB 10Hz-100kHz 60 200 -0.78 39 45 9.0 9.5 fO = 120Hz 12V V 22V IN Minimum Value of Input Voltage Required to Maintain Line Regulation V Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. For guaranteed performance limits and associated test conditions, see the Electrical Characteristics tables. Note 2: See Circuit in Typical Applications. To ensure constant junction temperature, low duty cycle pulse testing is used. Note 3: Limits appearing in boldface type apply over the entire junction temperature range for operation. Limits appearing in normal type apply for TA = TJ = 25C. Note 4: The junction-to-ambient thermal resistance are as follows: 195C/W for the TO-92 (N) package, 160C/W for the molded plastic SO-8 (S), 150C/W for the SOT-89 package. Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS78LXX TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage INPUT OUTPUT DIFFERENTIAL (V) 0.6 0.5 0.4 0.3 0.2 0.1 0 0 80 120 40 JUNCTION TEMPERATURE ( C) IO = 100mA Peak Output Current 600 OUTPUT CURRENT (mA) OUTPUT VOLTAGE (V) 500 TJ= 25C Low Voltage Behavior 6.0 5.0 4.0 3.0 2.0 0 AMS78L05 IO = 100mA 400 TJ = 85C 300 200 100 0 0 TJ = -40C 10 20 INPUT VOLTAGE (V) 30 2.0 3.0 4.0 5.0 6.0 INPUT VOLTAGE (V) 12 10 OUTPUT VOLTAGE (V) 8 6 4 2 0 -2 -20 -10 0 10 20 30 40 50 60 INPUT VOLTAGE (V) AMS78L05 RL=500 INPUT VOLTAGE OUTPUT VOLTAGE CHANGE (V) DEVIATION (mV) ~ ~ LOAD CURRENT(mA) 3 2 1 0 -1 -2 ~ -3 ~ OUTPUT VOLTAGE DEVIATION (mV) Output at Voltage Extremes Line Transient Response VIN = V OUT = 9V C2= 100 F Load Transient Response 40 0 -40 C2= 100F ~ ~ 150 ~ ~ 3 0 0 15 30 TIME (s) 45 0 0 15 30 TIME (s) 45 Quiescent Current 35 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) 30 25 20 15 10 5 0 -5 -20 -10 0 10 20 30 40 50 60 INPUT VOLTAGE (V) IO= 100mA 5V OUTPUT Quiescent Current 30 QUIESCENT CURRENT (mA) 25 20 15 10 5 0 0 60 30 90 OUTPUT CURRENT (mA) VIN = 14V Quiescent Current 25 20 15 10 3 2 1 0 -40 IO = 0mA ~ ~ IO = 50mA ~ ~ IO= 50mA 0 40 80 120 TEMPERATURE ( C) Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS78LXX TYPICAL PERFORMANCE CHARACTERISTICS (Continued) Maximum Power Dissipation (SO-8) 1.0 0.9 POWER DISSIPATION (W) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 10 20 30 40 50 60 70 80 90 AMBIENT TEMPERATURE ( C) POWER DISSIPATION (W) 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 Maximum Power Dissipation (SOT-89) Maximum Power Dissipation (TO-92) 1.0 0.9 POWER DISSIPATION (W) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.4" Lead Lenght from PC Board 0.125" Lead Lenght from PC Board 0 10 20 30 40 50 60 70 80 90 100 AMBIENT TEMPERATURE ( C) 0 10 20 30 40 50 60 70 80 AMBIENT TEMPERATURE ( C) TYPICAL APPLICATIONS Fixed Output Regulator VIN UNREGULATED INPUT C1* 0.33F AMS78LXX VOUT REGULATED OUTPUT C2** 10F GND IQ *Required if regulator is located far from power supply filter. **C2 must be at least 10F to maintain stability; it can be increased without bound to maintain regulation during transients and it should be located as close as possible to the regulator. This capacitor must be rated over the same operating temperature range like the regulator. Current Regulator INPUT C1 0.33F AMS78LXX R1 OUTPUT IOUT IOUT = (VOUT/R1)+IQ >IQ = 1.5mA over line and load changes Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS78LXX PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted. 3 LEAD TO-92 PLASTIC PACKAGE (N) 0.0600.005 (1.5240.127) DIA 0.1800.005 (4.5720.127) 0.0600.010 (1.5240.254) 0.1400.010 (3.5560.127) 0.1800.005 (4.5720.127) 0.90 (2.286) NOM 5 NOM 0.500 (12.70) MIN 10 NOM 0.050 (1.270) MAX UNCONTROLLED LEAD DIMENSIONS 0.0500.005 (1.2700.127) 0.0160.003 (0.4060.076) 0.0150.002 (0.3810.051) N (TO-92 ) AMS DRW# 042391 8 LEAD SOIC PLASTIC PACKAGE (S) 0.189-0.197* (4.801-5.004) 8 7 6 5 0.228-0.244 (5.791-6.197) 0.150-0.157** (3.810-3.988) 1 2 3 4 0.053-0.069 (1.346-1.752) 0.004-0.010 (0.101-0.254) 0.008-0.010 (0.203-0.254) 0.010-0.020 x 45 (0.254-0.508) 0-8 TYP 0.014-0.019 (0.355-0.483) 0.050 (1.270) TYP 0.016-0.050 (0.406-1.270) S (SO-8 ) AMS DRW# 042293 *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS78LXX PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted (Continued). SOT-89 PLASTIC PACKAGE (L) 0.173-0.181 (4.40-4.60) 0.064-0.072 (1.62-1.83) 0.055-0.063 (1.40-1.60) 0.014-0.017 (0.35-0.44) 0.155-0.167 (3.94-4.25) 0.090-0.102 (2.29-2.60) 0.084-0.090 (2.13-2.29) 0.035-0.047 (0.89-1.20) 0.059 (1.50) BSC 0.118 (3.00) BSC 0.014-0.019 (0.36-0.48) 0.017-0.022 (0.44-0.56) L (SOT-89 ) AMS DRW# 042392 Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 |
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