SJ2138 1.5A CMOS Elektronische Bauelemente Low Dropout Voltage Regulator RoHS Compliant Product TO-252 Description The SJ2138 series of positive,linear regulators feature low quiescent current (45µA typ.) with low dropout voltage, making them ideal for battery applications.These rugged devices have both Thermal Shutdown and Current Fold-back to prevent device failure under the "Worst" of operating conditions.The SJ 2138 is stable with an output capacitance of 4.7µF or greater. Features * Low Temperature Coefficient * Over-Temperature Shutdown * Very Low Dropout Voltage * High Accurate ± 1.5% * Short Circuit Current Fold-back * Guaranteed 1.5A output * Current Limiting REF. A B C D E F S Millmeter Min. Max. 6.40 6.80 5.20 5.50 6.80 7.20 2.20 2.80 2.30 REF. 0.70 0.90 0.60 0.90 REF. G H J K L M R Millmeter Min. Max. 0.50 0.70 2.20 2.40 0.45 0.55 0 0.15 0.90 1.50 5.40 5.80 0.80 1.20 Applications * PC Peripherals * Wireless Devices * Portable Electronics * Battery Powered Widgets * Instrumentation Functional Block Diagram Typical Circuit SJ2138 http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 1 of 5 SJ2138 1.5A CMOS Elektronische Bauelemente Low Dropout Voltage Regulator Absolute Maximum Ratings Parameter Symbol Ratings Unit Input Max Voltage VIN 8 V Output Current IOUT PD/( VIN- VO) A Output Voltage VOUT 1.5~5.0 V Operating Ambient Temperature Topr -40 ~ +85 Tj -40 ~ +125 Tj Max 150 Junction Temperature Maximum Junction Temperature jc Thermal Resistance Power Dissipation( T=100 ) Conductive 7 Non-Conductive 30 ja 90 PD 1.2 EDS Classification Output Voltage /W W B Electrical Characteristics Ta=25 Parameter /W unless otherwise noted Symbol VOUT (E) Condition Min TYP Max Unit VIN=VOUT(T)+2V, IO=1mA -1.5% VOUT(T) 1.5% V (Note1) (Note2) Output Current Current Limit Load Regulation IO VIN=VOUT(T)+2V, VOUT VOUT(E)*0.96 1.5 - - A ILIM REGLOAD VIN=VOUT(T)+2V, VO>1.2V 1.5 2.0 - A VIN=VOUT(T)+2V, IO=1mA to 1.5A -1 0.2 1 % 2.0V - - 1300 Dropout Voltage VDROPOUT 2.8V - - 800 - - 600 - 45 70 A A 1.4V<VOUT(T) IO=1.5A VO=VOUT(E)-2% 2.0V<VOUT(T) 2.8V<VOUT(T) Quiescent Current Ground Pin Current Line Regulation Input Voltage Over Temperature Shutdown Over Temperature Hysterisis Output Voltage Temperature Coefficient Short Circuit Current Power Supply Rejection Output Voltage Noise IQ VIN= VOUT(T)+2V, IO=0mA IGND VIN= VOUT(T)+2V, IO=1mA~1.5A - 45 - -0.15 - 0.15 REGLINE IO=1mA VOUT(T) 2.0V VIN=VOUT(T)+1 to 2.0V<VOUT(T)<4.0V VOUT(T)+2 4.0V VOUT(T) -0.1 0.02 0.1 mV % -0.4 - 0.4 VIN OTS OTH Note3 - 7 - 150 - - 30 - TC - 30 - ppm/ VIN=VOUT(T)+1V, VOUT<0.4V - 750 - mA f=100Hz - 70 - f=1kHz - 50 - f=10kHz - 20 - Co=4.7 F - 30 - ISC PSRR Io=100mA Co=4.7 F eN f=10Hz~100kHz Io=10mA, CBYP=0 F V dB Vrms Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT (T) + 2.0V” is provided at the VIN pin while maintaining a certain IOUT value). 2: VOUT (T) =Specified Output Voltage 3: VIN (MIN) =VOUT+V DROPOUT http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 2 of 5 SJ2138 1.5A CMOS Elektronische Bauelemente Low Dropout Voltage Regulator Ordering Information(contd.) Part Number SJ2138-15 SJ2138-25 SJ2138-36 SJ2138-50 Marking 8T152 XXXX 8T252 XXXX 8T362 XXXX 8T502 XXXX Output Voltage Part Number 1.5V SJ2138-18 2.5V SJ2138-33 3.6V SJ2138-47 Marking Output Voltage 8T182 XXXX 8T332 XXXX 8T472 XXXX 1.8V 3.3V 4.75V 5.0V Characteristics Curve (T)+1 to h tp://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 3 of 5 SJ2138 Elektronische Bauelemente 1.5A CMOS Low Dropout Voltage Regulator 115 85 55 25 -5 -45 http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 5 of 5 SJ2138 Elektronische Bauelemente http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A 1.5A CMOS Low Dropout Voltage Regulator Any changing of specification will not be informed individual Page 5 of 5