SI-3018LSA Allegro Microsystems Inc, SI-3018LSA Datasheet
SI-3018LSA
Available stocks
Related parts for SI-3018LSA
SI-3018LSA Summary of contents
Page 1
... A Output Current LSTTL/CMOS-Compatible On/Off Control S Less Than 1 A “Sleep” Current Internal Foldback Overcurrent Limiting Internal Thermal Protection Surface-Mount Package Always order by complete part number: SI-3018LSA-TL , where “-TL” indicates tape and reel. Sanken Power Devices from Allegro MicroSystems ™ ...
Page 2
... SI-3018LSA LOW-VOLTAGE, HIGH-CURRENT 1.8 V LINEAR REGULATOR INPUT 1 INTERNAL 2 CONNECTION SUPPLY 3 ENABLE 4 GROUND 5 FUNCTIONAL BLOCK DIAGRAM Leads 7 and 8 are soldered to the copper area and provide heat sinking of the pass transistor. RECOMMENDED OPERATING CONDITIONS Max. Input Voltage, V Output Current, I Output Junction Temperature Range, T ...
Page 3
... ELECTRICAL CHARACTERISTICS Characteristic Symbol www.allegromicro.com LOW-VOLTAGE, HIGH-CURRENT Test Conditions SI-3018LSA 1.8 V LINEAR REGULATOR Limits Min. Typ. Max. Units ...
Page 4
... SI-3018LSA LOW-VOLTAGE, HIGH-CURRENT 1.8 V LINEAR REGULATOR TYPICAL CHARACTERISTICS at T Dropout voltage 0.6 0.5 0.4 0.3 0.2 0 0.2 0.4 0.6 OUTPUT CURRENT in AMPERES Overcurrent protection 1.0 0 0.5 1.0 OUTPUT CURRENT in AMPERES 1.86 1.84 1.82 1.80 1.78 1.76 1.74 0.8 1.0 1.2 Dwg ...
Page 5
... INPUT VOLTAGE www.allegromicro.com LOW-VOLTAGE, HIGH-CURRENT 0 8 Dwg. GK-029 ENABLE input current 3 0.5 1.0 1.5 2.0 ENABLE VOLTAGE in VOLTS SI-3018LSA 1.8 V LINEAR REGULATOR = 25 C (cont’d) A GND current 5 2.0 4.0 6.0 INPUT VOLTAGE 2.5 3.0 Dwg. GK-023 0 8 Dwg. GK-030 ...
Page 6
... JUNCTION-TO-AMBIENT THERMAL RESISTANCE in C/W APPLICATIONS INFORMATION down resistor. If this terminal is not connected (open-circuit fault), the device output is turned off. Overcurrent protection. The SI-3018LSA includes an overcurrent protection circuit, which limits the output current at start up. It thus cannot be used with 1) a constant-current load, ...
Page 7
... Lead spacing tolerance is non-cumulative. 3. Leads 7 and 8 are internally connected together and provide heat sinking of the pass transistor. www.allegromicro.com LOW-VOLTAGE, HIGH-CURRENT Dimensions in Millimeters (controlling dimensions 1.27 BSC 5.1 0.4 0.10 MAX. SI-3018LSA 1.8 V LINEAR REGULATOR 0.25 0.10 6.2 0.3 0.5 0 Dwg. MK-006-8 mm ...
Page 8
... SI-3018LSA LOW-VOLTAGE, HIGH-CURRENT 1.8 V LINEAR REGULATOR Tape and Reel Dimensions in Millimeters 0.3 2.5 CENTER LINES OF CAVITY COVER TAPE 2.0 180 (controlling dimensions) 0.7 8.0 USER DIRECTION OF UNREELING ACCESS HOLE 13 0.2 TAPE SLOT IN CORE FOR TAPE START 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Dwg ...
Page 9
... Sanken and Allegro assume no responsibility for any infringement of industrial property rights, intellectual property rights, or any other rights of Sanken or Allegro or any third party that may result from its use. www.allegromicro.com LOW-VOLTAGE, HIGH-CURRENT 1.8 V LINEAR REGULATOR SI-3018LSA ...