●SI-3001N Series SI-3001N Series 3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type ■Features • • • • Compact full-mold package (equivalent to TO220) Output current: 1.5A Low dropout voltage: VDIF≤1V (at IO=1.5A) 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-3051N/3091N VIN DC Output Current IO 1.5*2 A PD1 18(With infinite heatsink) W PD2 1.5(Without heatsink, stand-alone operation) W Tj –40 to +125 °C Ambient Operating Temperature Top –30 to +100 °C Storage Temperature Tstg –40 to +125 °C Thermal Resistance (junction to case) Rth(j-c) 5.5 °C/W Thermal Resistance (junction to ambient air) Rth(j-a) Junction Temperature 20 35 Unit SI-3241N DC Input Voltage Power Dissipation 35 SI-3121N/3151N 45 66.7(Without heatsink, stand-alone operation) V °C/W ●SI-3001N Series ■Electrical Characteristics (Ta=25°C unless otherwise specified) Ratings Parameter Symbol Input Voltage VO SI-3001NA SI-3091N SI-3121N typ. max. min. typ. max. min. 6*3 30*2 10*3 30*2 13*3 30*2 30*2 5.20 8.64 9.00 9.36 11.52 12.00 12.48 14.40 15.00 15.60 23.04 24.00 24.96 5.00 5.10 8.82 9.00 9.18 11.76 12.00 12.24 14.70 15.00 15.30 23.52 24.00 24.48 VIN=8V, IO=1.0A VIN=12V, IO=1.0A 0.5 VIN=15V, IO=1.0A 0.5 1.0 V VIN=27V, IO=1.0A 0.5 0.5 0.5 1.0 1.0 1.0 V IO≤1.5A Conditions 10 30 VIN=6V to 15V, IO=1.0A ∆VOLOAD 40 Conditions 18 48 24 64 30 90 48 128 mV 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 100 70 180 93 240 120 300 120 300 VIN=8V, IO=0 to 1.5A 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 ±0.5 ±1.0 ±1.5 ±1.5 ±2.5 ∆VO/∆Ta of Output Voltage VIN=18V, IO=1.0A V IO≤1.0A ∆VOLINE Temperature Coefficient 40*2 5.00 1.0 Load Regulation 25*3 4.90 VDIF Conditions 16*3 Unit typ. max. 4.80 Conditions Line Regulation SI-3241N typ. max. min. Conditions Dropout Voltage SI-3151N typ. max. min. VIN SI-3001N *1 Output Voltage SI-3051N min. mV mV/°C Conditions 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 VIN=27V, IO=5mA,Tj=0 to 100°C RREJ Ripple Rejection 54 Conditions Quiescent Circuit 54 VIN=8V, f=100 to 120HZ Iq 5 Current Conditions Overcurrent Protection StartingCurrent*4,5 Conditions IS1 1.6 5 10 VIN=12V, IO=0A 1.6 VIN=8V 54 54 dB VIN=12V, f=100 to 120HZ VIN=15V, f=100 to 120HZ VIN=18V, f=100 to 120HZ VIN=27V, f=100 to 120HZ 10 VIN=8V, IO=0A 54 5 10 VIN=15V, IO=0A 1.6 VIN=12V 5 1.6 VIN=15V 10 VIN=18V, IO=0A 5 1.6 VIN=18V 10 mA VIN=27V, IO=0A A VIN=27V *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 ■Outline Drawing (unit:mm) 4.2±0.2 10±0.2 2.8±0.2 7.9±0.2 4±0.2 0.5 16.9±0.3 φ 3.2±0.2 a 2max. b 2.6±0.15 (13.5) 0.95±0.15 0.85+0.2 –0.1 q GND w VO e VIN +0.2 P3.4±0.1×2=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 21 ●SI-3001N Series ■Block Diagram Tr1 3 2 VREF Amp. Protection Drive Reg. MIC 1 ■Standard External Circuit C0 D1 *2 3 DC Input VIN 2 SI-3001N *1 + C1 *1 C1 C2 + 1 C2 C0 DC Output VO *2 D1 ■Ta-PD Characteristics 20 Power Dissipation PD (W) Infinite heatsink With Silicon Grease Heatsink:Aluminum 15 200×200×2mm (2.3°C/W) 10 100×100×2mm (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] 22 100 : 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-3001N Series ■Typical Characteristics (Ta=25°C) IO vs. VDIF Characteristics Temperature Coefficient of Output Voltage(SI-3051N) 0.8 Circuit Current(SI-3051N) 50 5.08 VO =5V Output Voltage VO (V) Dropout Voltage VDIF (V) 5.06 0.6 0.4 0.2 Ground Current IG (mA) VIN=8V IO =0A VO =5V 5.04 5.02 5.00 4.98 40 30 20 IO =1.5A 1.0A 10 0.5A 0A 4.96 –40 –20 Output Current IO (A) 12 5 A A 5 1. 3 1A 2 0 0 100 120 140 IO=0A 0.5A 1A 1.5A 6 4 0 0 7 12 15 V Output Voltage VO (V) 5 6V 6 8 10 12 14 16 3 2 10 IO=0A 0.5A 1A 1.5A 15 10 0 0 18 10 20 30 40 Input Voltage VIN (V) Overcurrent Protection Characteristics(SI-3121N) 14 8V 4 Overcurrent Protection Characteristics(SI-3241N) 25 8 20 Output Voltage VO (V) Overcurrent Protection Characteristics(SI-3051N) VIN=30V 20 Input Voltage VIN (V) 6 4 2 15V 6 V 5 10 5 25V 4 8 Rise Characteristics(SI-3241N) 13V 20 3 6 25 VIN=30V 2 4 Input Voltage VIN (V) 2 1 1 30 8 Input Voltage VIN (V) Output Voltage VO (V) 80 10 1 0 0 60 6 4 35V 6 0.5A 40 Rise Characteristics(SI-3121N) 14 Output Voltage VO (V) Output Voltage VO (V) Rise Characteristics(SI-3051N) =0 IO 20 Ambient Temperature Ta (°C) 7 4 0 27V 30V 1.5 25V 1.0 VIN=40V 0.5 Output Voltage VO (V) 0 0 15 10 5 1 2 0 0 1.0 2.0 3.0 4.0 0 0 1.0 2.0 3.0 4.0 Output Current IO (A) Output Current IO (A) 0 0 1.0 2.0 3.0 4.0 Output Current IO (A) Thermal Protection Characteristics(SI-3051N) 6 Output Voltage VO (V) 5 VIN=8V IO=10mA 4 3 2 Note on Thermal Protection: The thermal protection circuit is intended for protection against heat during instantaneous short- 1 0 20 60 100 140 Case Temperature TC (°C) 180 circuiting. Its operation is not guaranteed for shortcircuiting over extended periods of time. 23