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| qSI-3001N Series SI-3001N Series 3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type sFeatures * * * * Compact full-mold package (equivalent to TO220) Output current: 1.5A Low dropout voltage: VDIF1V (at IO=1.5A) Built-in foldback overcurrent, overvoltage, thermal protection circuits sApplications * For stabilization of the secondary stage of switching power supplies * Electronic equipment sAbsolute Maximum Ratings Parameter DC Input Voltage DC Output Current Power Dissipation Junction Temperature Ambient Operating Temperature Storage Temperature Thermal Resistance (junction to case) Thermal Resistance (junction to ambient air) Symbol SI-3051N/3091N VIN IO PD1 PD2 Tj Top Tstg Rth(j-c) Rth(j-a) 35 Ratings SI-3121N/3151N 35 1.5*2 18(With infinite heatsink) 1.5(Without heatsink, stand-alone operation) -40 to +125 -30 to +100 -40 to +125 5.5 66.7(Without heatsink, stand-alone operation) SI-3241N 45 V A W W C C C C/W C/W Unit (Ta=25C) 20 qSI-3001N Series sElectrical Characteristics Ratings Parameter Input Voltage SI-3001N *1 Output Voltage SI-3001NA Symbol VIN VO Conditions VDIF Dropout Voltage Conditions 1.0 Conditions Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Quiescent Circuit Current Overcurrent Protection StartingCurrent*4,5 VOLINE Conditions VOLOAD Conditions VO/Ta RREJ Conditions Iq Conditions IS1 Conditions 1.6 VIN=8V 10 40 0.5 54 VIN=8V, f=100 to 120HZ 5 10 1.6 VIN=12V VIN=8V, IO=0A 30 100 18 70 1.0 54 5 10 1.6 VIN=15V 48 180 VIN=6V to 15V, IO=1.0A VIN=8V, IO=0 to 1.5A 1.0 IO1.5A 24 93 1.5 54 5 10 1.6 VIN=18V 64 240 30 120 1.5 54 5 6*3 4.80 4.90 5.00 5.00 SI-3051N min. 30*2 5.20 5.10 0.5 10*3 8.64 8.82 9.00 9.00 SI-3091N 30*2 9.36 9.18 0.5 IO1.0A 1.0 13*3 SI-3121N 30*2 16*3 (Ta=25C unless otherwise specified) SI-3151N 30*2 25*3 SI-3241N typ. max. 40*2 Unit V V typ. max. min. typ. max. min. typ. max. min. typ. max. min. 11.52 12.00 12.48 14.40 15.00 15.60 23.04 24.00 24.96 11.76 12.00 12.24 14.70 15.00 15.30 23.52 24.00 24.48 VIN=15V, IO=1.0A 0.5 VIN=18V, IO=1.0A 0.5 1.0 90 300 48 120 2.5 54 10 1.6 VIN=27V 5 10 VIN=27V, IO=1.0A 0.5 V 1.0 128 300 VIN=8V, IO=1.0A VIN=12V, IO=1.0A mV mV mV/C dB mA A VIN=10V to 20V, IO=1.0A VIN=13V to 25V, IO=1.0A VIN=16V to 27V, IO=1.0A VIN=25V to 38V, IO=1.0A VIN=12V, IO=0 to 1.5A VIN=15V, IO=0 to 1.5A VIN=18V, IO=0 to 1.5A VIN=27V, IO=0 to 1.5A Conditions VIN=8V, IO=5mA,Tj=0 to 100C VIN=12V, IO=5mA,Tj=0 to 100C VIN=15V, IO=5mA,Tj=0 to 100C VIN=18V, IO=5mA,Tj=0 to 100C VIN=27V, IO=5mA,Tj=0 to 100C VIN=12V, f=100 to 120HZ VIN=15V, f=100 to 120HZ VIN=18V, f=100 to 120HZ VIN=27V, f=100 to 120HZ VIN=12V, IO=0A VIN=15V, IO=0A VIN=18V, IO=0A VIN=27V, IO=0A *1: "A" may be indicated to the right of the Sanken logo. *2: VIN(max) and IO(max) are restricted by the relation PD(max)=(VIN-VO)*IO=18(W). *3: Refer to the dropout voltage.(Refer to Setting DC Input Voltage on page 7.) *4: IS1 is specified at -5(%) drop point of output voltage VO on the condition that VIN=VO+3V, IO=1A. *5: A foldback type overcurrent protection circuit is built into the IC regulator. Therefore, avoid using it for the following applications as it may cause starting errors: (1) Constant current load (2) Plus/minus power (3) Series power (4) VO adjustment by raising ground voltage sOutline Drawing 3.20.2 7.90.2 40.2 0.5 (unit:mm) 100.2 4.20.2 2.80.2 16.90.3 a 2max. b 2.60.15 a. Part Number b. Lot Number q GND w VO e VIN (13.5) 0.950.15 0.85+0.2 -0.1 P3.40.1x2=6.8 0.45 -0.1 +0.2 Plastic Mold Package Type Flammability: UL94V-0 Weight: Approx. 2.3g q w e 21 qSI-3001N Series sBlock Diagram 3 Tr1 2 MIC Reg. Drive Protection Amp. 1 sStandard External Circuit C0 D1 VREF *2 *1 C1 C2 2 3 DC Input VIN *1 + C1 C2 SI-3001N 1 + C0 DC Output VO *2 D1 : Output capacitor (47 to 100F) : Oscillation prevention capacitor (C1: Approx. 47F, C2: 0.33F) These capacitors are required if the input line is inductive and in the case of long wiring. Tantalum capacitors are recommended for C1 and C0, particularly at low temperatures. : Protection diode This diode is required for protection against reverse biasing of the input and output. Sanken EU2Z is recommended. sTa-PD Characteristics 20 Infinite heatsink Power Dissipation PD (W) With Silicon Grease Heatsink:Aluminum 15 200x200x2mm (2.3C/W) 10 100x100x2mm (5.2C/W) 75x75x2mm (7.6C/W) 5 Without heatsink 0 -30 0 25 50 75 100 Ambient Temperature Ta (C) PD=IO*[VIN(mean)-VO] 22 qSI-3001N Series sTypical Characteristics (Ta=25C) IO vs. VDIF Characteristics 0.8 Temperature Coefficient of Output Voltage(SI-3051N) 5.08 VIN=8V IO =0A VO =5V Circuit Current(SI-3051N) 50 VO =5V 5.06 Dropout Voltage VDIF (V) 0.6 5.04 Ground Current IG (mA) 40 Output Voltage VO (V) 30 0.4 5.02 20 IO =1.5A 10 1.0A 0.5A 0A 5.00 0.2 4.98 4.96 -40 -20 0 0 0.5 1.0 1.5 0 20 40 60 80 100 120 140 0 0 1 4 6 8 10 Output Current IO (A) Ambient Temperature Ta (C) Input Voltage VIN (V) Rise Characteristics(SI-3051N) 7 6 Rise Characteristics(SI-3121N) 14 12 Rise Characteristics(SI-3241N) 30 25 Output Voltage VO (V) Output Voltage VO (V) 5 4 3 0.5A 2 1 0 0 1A =0 IO A 5 1. A 10 8 6 4 2 0 0 IO=0A 0.5A 1A 1.5A Output Voltage VO (V) 20 15 IO=0A 0.5A 1A 1.5A 10 5 1 2 3 4 5 6 7 2 4 6 8 10 12 14 16 18 0 0 10 20 30 40 Input Voltage VIN (V) Input Voltage VIN (V) Input Voltage VIN (V) Overcurrent Protection Characteristics(SI-3051N) 6 Overcurrent Protection Characteristics(SI-3121N) 14 12 Overcurrent Protection Characteristics(SI-3241N) 25 35V 25V 15V 5 VIN=30V 20 Output Voltage VO (V) VIN=30V VIN=40V 27V 30V Output Voltage VO (V) Output Voltage VO (V) 6V 8V 4 15 10 8 6 4 2 0 0 V 13V 3 20 15 10 2 1 5 0 0 1.0 2.0 3.0 4.0 1.0 2.0 3.0 4.0 0 0 1.0 2.0 25V V 3.0 4.0 Output Current IO (A) Output Current IO (A) Output Current IO (A) Thermal Protection Characteristics(SI-3051N) 6 5 Output Voltage VO (V) VIN=8V IO=10mA 4 3 2 Note on Thermal Protection: The thermal protection circuit is intended for protection against heat during instantaneous short60 100 140 180 1 0 20 Case Temperature TC (C) circuiting. Its operation is not guaranteed for shortcircuiting over extended periods of time. 23 |
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