●SI-3002N Series SI-3002N Series 3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type ■Features • • • • Compact full-mold package (equivalent to TO220) Output current: 2.0A Low dropout voltage: VDIF≤1V (at IO=2.0A) 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=25°C) Ratings Symbol SI-3052N DC Input Voltage VIN 25 SI-3092N 30 Unit SI-3122N/3152N 35 V IO 2.0*1 A PD1 20(With infinite heatsink) W PD2 1.5(Without heatsink, stand-alone operation) W Junction Temperature Tj –40 to +125 °C Ambient Operating Temperature Top –30 to +100 °C Storage Temperature Tstg –40 to +125 °C 5.0 °C/W DC Output Current Power Dissipation Thermal Resistance (junction to case) Rth(j-c) Thermal Resistance (junction to ambient air) Rth(j-a) 24 66.7(Without heatsink, stand-alone operation) °C/W ●SI-3002N Series ■Electrical Characteristics (Ta=25°C unless otherwise specified) Ratings Parameter Symbol SI-3052N min. Input Voltage Output Voltage VIN 6*2 VO 4.90 Conditions typ. SI-3092N max. min. 15*1 10*2 5.10 8.82 5.00 VIN=8V, IO=1.0A VDIF typ. SI-3122N max. min. 25*1 13*2 9.18 11.76 9.00 VIN=12V, IO=1.0A 0.5 1.0 1.0 10 Conditions 40 Conditions Conditions Conditions Quiescent Circuit 18 15.30 V 0.5 0.5 1.0 1.0 V 48 VIN=10 to 20V, IO=1.0A 100 70 24 64 VIN=13 to 25V, IO=1.0A 180 93 30 90 240 120 300 ±1.0 ±1.5 ±1.5 VIN=8V, IO=5mA, Tj=0 to 100°C VIN=12V, IO=5mA, Tj=0 to 100°C VIN=15V, IO=5mA, Tj=0 to 100°C VIN=18V, IO=5mA, Tj=0 to 100°C 54 54 54 54 VIN=12V, f=100 to 120HZ VIN=15V, f=100 to 120HZ VIN=18V, f=100 to 120HZ 10 3 2.1 Conditions 10 2.1 VIN=8V 3 VIN=12V, IO=0A 10 3 VIN=15V, IO=0A 2.1 VIN=12V dB 10 mA VIN=18V, IO=0A 2.1 VIN=15V mV mV/°C VIN=8V, f=100 to 120HZ VIN=8V, IO=0A mV VIN=16 to 25V, IO=1.0A ±0.5 3 IS1 15.00 V VIN=18V, IO=1.0A VIN=18V, IO=0 to 2.0A Conditions Overcurrent Protection Starting Current*3.4 14.70 VIN=15V, IO=0 to 2.0A Iq Current 12.24 27*1 VIN=12V, IO=0 to 2.0A RREJ Ripple Rejection 16*2 Unit max. VIN=8V, IO=0 to 2.0A ∆VO/∆Ta of Output Voltage 30 VIN=6 to 15V, IO=1.0A ∆VOLOAD Temperature Coefficient 27*1 typ. IO≤2.0A Conditions Load Regulation min. IO≤1.5A ∆VOLINE Line Regulation 12.00 SI-3152N max. VIN=15V, IO=1.0A 0.5 Conditions Dropout Voltage typ. A VIN=18V *1: VIN(max) and IO(max) are restricted by the relation PD(max)=(VIN-VO)•IO=20(W). *2: Refer to the dropout voltage.(Refer to Setting DC Input Voltage on page 7.) *3: IS1 is specified at –5(%) drop point of output voltage VO on the condition that VIN=VO+3V, IO=1.0A. *4: 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) 4.2±0.2 2.8±0.2 4 0.5 ±0.2 10±0.2 7.9 16.9±0.3 ±0.2 φ 3.2±0.2 2max. a b 2.6±0.15 q GND w VO (13.5) 0.95±0.15 0.85+0.2 –0.1 P3.4±0.1×2=6.8 q w a. Part Number b. Lot Number e VIN +0.2 0.45 –0.1 Plastic Mold Package Type Flammability: UL94V-0 Weight: Approx. 2.3g e 25 ●SI-3002N Series ■Block Diagram Tr1 3 2 VREF Amp. Protection Drive Reg. MIC 1 ■Standard External Circuit D1 3 C1 *1 C1 C2 2 SI-3002N 1 + * DC Input VIN C0 *2 + 1 C2 C0 DC Output VO ■Ta-PD Characteristics Power Dissipation PD (W) 25 Infinite heatsink 20 15 10 With Silicon Grease: G746 (SHINETSU CHEMICAL INDUSTRIES) Heatsink: Aluminum 200×200×2mm (2.3°C/W) 100×100×2mm (5.2°C/W) 75×75×2mm (7.6°C/W) 5 Without heatsink 0 –30 0 25 50 75 Ambient Temperature Ta (°C) PD=IO•[VIN(mean)–VO] 26 100 *2 D1 :Output capacitor (47 to 100µF) :Oscillation prevention capacitor (C1: Approx. 47µF, C2: 0.33µF) 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-3002N Series ■Typical Characteristics (Ta=25°C) IO vs. VDIF Characteristics Temperature Coefficient of Output Voltage(SI-3052N) 1.0 Rise Characteristics(SI-3052N) 5.02 6 5 0.6 0.4 Output Voltage VO (V) Output Voltage VO (V) 5.00 0.2 lO=0A 0.5A 1A 1.5A 2A 3 2 2 4.98 –40 –20 40 60 5 10 lO=0A 0.5A 1A 1.5A 2A 4 5 10 15 20 4 4 5 6 7 8 Overcurrent Protection Characteristics(SI-3122N) 10 3 2 0 0 3 12 12V 10V 8 6 4 2 1.0 2.0 3.0 Output Current IO (A) Input Voltage VIN (V) 2 14 1 2 1 Input Voltage VIN (V) 15V 6V Output Voltage VO (V) 12 0 0 0 0 80 100 120 140 Overcurrent Protection Characteristics(SI-3052N) 6 6 20 V Rise Characteristics(SI-3122N) 14 8 0 Ambient Temperature Ta (°C) 22V 3V 1 15V 1.5 18 1 Output Current IO (A) 27V 25V 0.5 Output Voltage VO (V) 0 0 Output Voltage VO (V) 4 1 8V Dropout Voltage VDIF (V) VIN=8V lO=0A 0.8 4.0 0 0 1.0 2.0 3.0 4.0 Output Current IO (A) Thermal Protection Characteristics(SI-3052N) 6 VIN=8V lO=10mA Output Voltage VO (V) 5 4 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. 27