SI-3000N Series SI-3000N Series 3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type Features * * * * Compact full-mold package (equivalent to TO220) Output current: 1.0A Low dropout voltage: VDIF1V (at IO=1.0A) Built-in foldback overcurrent, overvoltage, thermal protection circuits Applications * For stabilization of the secondary stage of switching power supplies * Electronic equipment Absolute Maximum Ratings Parameter (Ta=25C) Ratings Symbol SI-3050N SI-3150N 30 35 DC Input Voltage VIN DC Output Current IO 1.0*2 A PD1 14(With infinite heatsink) W Power Dissipation 25 Unit SI-3090N/3120N V PD2 1.5(Without heatsink, stand-alone operation) W Junction Temperature Tj -40 to +125 C Ambient Operating Temperature Top -30 to +100 C Tstg -40 to +125 C Thermal Resistance (junction to case) Rth(j-c) 7.0 C/W Thermal Resistance (junction to ambient air) Rth(j-a) Storage Temperature 16 66.7(Without heatsink, stand-alone operation) C/W SI-3000N Series Electrical Characteristics (Ta=25C unless otherwise specified) Ratings Parameter Symbol SI-3050N min. Input Voltage Output Voltage VO SI-3000NA SI-3090N max. min. 15*2 10*3 6*3 VIN SI-3000N *1 typ. typ. SI-3120N max. min. 20*2 13*3 8.64 9.00 9.36 11.52 12.00 12.48 14.40 15.00 15.60 5.10 8.82 9.00 9.18 11.76 12.00 12.24 14.70 15.00 15.30 VIN=8V, IO=0.5A VIN=12V, IO=0.5A 0.5 VIN=15V, IO=0.5A 0.5 1.0 Conditions Conditions 1.0 Conditions 18 64 VIN=13 to 25V, IO=0.5A 93 180 VIN=12V, IO=0 to 1.0A 30 VIN=16 to 27V, IO=0.5A 240 VIN=15V, IO=0 to 1.0A 120 300 1.0 1.5 1.5 VIN=12V, IO=5mA, Tj=0 to 100C VIN=15V, IO=5mA, Tj=0 to 100C VIN=18V, IO=5mA, Tj=0 to 100C 54 54 54 54 VIN=8V, f=100 to 120HZ VIN=12V, f=100 to 120HZ VIN=15V, f=100 to 120HZ VIN=18V, f=100 to 120HZ 3 10 3 VIN=8V, IO=0A 1.2 Conditions 1.2 VIN=8V 10 3 VIN=12V, IO=0A 10 3 VIN=15V, IO=0A 1.2 VIN=12V mV/C dB 10 mA VIN=18V, IO=0A 1.2 VIN=15V mV VIN=18V, IO=0 to 1.0A 0.5 Iq V 90 VIN=8V, IO=5mA, Tj=0 to 100C Conditions IS1 24 70 100 V mV 48 VIN=10 to 20V, IO=0.5A RREJ Starting Current*4,5 30 VIN=8V, IO=0 to 1.0A Conditions Overcurrent Protection 1.0 40 VO/Ta Current 0.5 VIN=6 to 15V, IO=0.5A VOLOAD Quiescent Circuit 0.5 IO1.0A 10 V VIN=18V, IO=0.5A IO0.5A VOLINE Ripple Rejection 27*2 5.20 1.0 of Output Voltage 16*3 Unit max. 5.00 Conditions Temperature Coefficient 25*2 typ. 5.00 VDIF Load Regulation min. 4.90 Conditions Line Regulation SI-3150N max. 4.80 Conditions Dropout Voltage typ. A VIN=18V *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=14(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=0.5A. *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 Outline Drawing (unit: mm) 4.20.2 100.2 2.80.2 7.90.2 40.2 0.5 16.90.3 3.20.2 a 2max. b 2.60.15 (13.5) 0.950.15 0.85+0.2 -0.1 q GND w VO e VIN +0.2 P3.40.1x2=6.8 q w a. Part Number b. Lot Number 0.45 -0.1 Plastic Mold Package Type Flammability: UL94V-0 Weight: Approx. 2.3g e 17 SI-3000N Series Block Diagram Tr1 3 2 VREF Amp. Protection Drive Reg. MIC 1 Standard External Circuit D1 C0 *1 C1 C2 *2 3 DC Input VIN 2 SI-3000N + *1 C1 + 1 C2 Ta-PD Characteristics Power Dissipation PD (W) 15 Infinite heatsink With Silicon Grease Heatsink: Aluminum 20 0x 20 10 10 0x 2m 0x 10 m 0x 75 5 m x7 5x (5. C /W 2 2m m (2 .3 2m ) C/ (7. W 6C ) /W ) Without heatsink 0 -30 0 25 50 75 Ambient Temperature Ta (C) PD=IO*[VIN(mean)-VO] 18 100 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. SI-3000N Series Typical Characteristics (Ta=25C) Temperature Coefficient of Output Voltage(SI-3050N) 5.00 4.98 4.96 0.8 1.0 4.94 -40 -20 20 40 60 6 4 2 4 6 8 10 12 14 16 8V 4 10V 3 2 0 0 A =0 5 6 Overcurrent Protection Characteristics(SI-3120N) 10 8 22V 6 4 2 0.2 0.4 0.6 0.8 1.0 1.2 Output Current IO (A) Input Voltage VIN (V) 4 12 1 2 3 N= IO=0A =0.5A =1.5A 2 14 15 10 1 VI 5 0.5A 0.75A Input Voltage VIN (V) Output Voltage VO (V) 12 0 0 0 0 80 100 120 140 Overcurrent Protection Characteristics(SI-3050N) 6 Output Voltage VO (V) Output Voltage VO (V) Rise Characteristics(SI-3120N) 14 8 0 Ambient Temperature Ta (C) 12V 0.6 V 0.4 Output Current IO (A) =6 V 0.2 2 1 VIN 0 0 3 V 0.1 0.25A 4 18 0.2 5.02 V 15 V 0.3 5 IO 0.4 VIN=8V IO =0A VO =5V 1. 0A 5.04 13 0.5 Rise Characteristics(SI-3050N) 6 Output Voltage VO (V) 5.06 Output Voltage VO (V) Dropout Voltage VDIF (V) IO vs. VDIF Characteristics 0.6 1.4 1.6 0 0 0.5 1.0 1.5 2.0 Output Current IO (A) Thermal Protection Characteristics(SI-3050N) 6 Output Voltage VO (V) 5 4 VIN=8V IO=10mA 3 2 1 0 0 20 60 100 140 180 Case Temperature TC (C) Note on Thermal Protection: The thermal protection circuit is intended for protection against heat during instantaneous shortcircuiting. Its operation is not guaranteed for shortcircuiting over extended periods of time. 19