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SLA3005M Datasheet(PDF) 4 Page - Sanken electric |
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SLA3005M Datasheet(HTML) 4 Page - Sanken electric |
4 / 7 page sTa-PD Characteristics sStandard External Circuit *1 CIN : Input capacitor (Approx. 47 µF) This capacitor is required if the input line is inductive and in the case of long wiring. *2 CO : Output capacitor (47 to 220 µF) *3 Cd : Delay setting capacitor (0.1 µF or more) Use Cd to set the delay time (tDLY) from when a low VO level due to OCP operation is detected until a flag signal is output. This prevents a rush current from causing malfunction. Approximate calculation: tDLY (Cd × VDLYth)/IDLY[sec] When using soft start on VIN or if CIN has a large capacitance, set tDLY long enough for the output voltage to rise sufficiently Be sure to connect Cd and do not use it for other applications, such as short circuiting Cd. *4 D1 to D4 : Reverse biasing protection diode This diode is required for protection against reverse biasing of the input and output. *5 RFLG : Set this to limit the inflow current into the FLG terminal to 1mA or less. VIN VIN VO1 CIN *1 RFLG *5 + VC1 FLG1 VC1 FLG1 VO1 Reg. 1 DLY1 *3 Cd1 *2 CO1 *4 D1 + + + + VO2 RFLG *5 VC2 FLG2 VC2 FLG2 VO2 Reg. 2 DLY2 *3 Cd2 *2 CO2 *4 D2 + VO3 VC3 FLG3 VC3 FLG3 VO3 Reg. 3 DLY3 *3 *2 CO3 *4 D3 + VO4 *5 RFLG *5 RFLG VC4 FLG4 VC4 FLG4 GND VO4 Reg. 4 DLY4 *3 Cd4 *2 CO4 *4 D4 + + Cd3 40 35 30 25 20 15 10 5 0 Ambient Temperature Ta ( °C) 0 –30 25 50 75 100 100 ×100×2mm (5.2°C/W) 75 ×75×2mm (7.6°C/W) (TC=25 °C) Infinite Heatsink Without Heatsink Heatsink: Aluminum With Silicon Grease: G746 (SHINETSU CHEMICAL INDUSTRIES) sCalculating the internal dissipation PD is calculated as follows: PD=[IO1•(VIN-VO1)]+[IO2•(VIN-VO2)]+[IO3•(VIN-VO3)]+[IO4•(VIN-VO4)]+VIN•IG sEstimating Tj by heat measurement 1. Measuring position: At the root of pin 13 2. Add the thermal resistance " θj-L" between the junction and pin 13 and the Pd product of each channel to the measured temperature. θj-L is as follows : θj-L1:8°C/W, θj-L2:7°C/W, θj-L3:5°C/W, θj-L4:8°C/W The calculation formula is as follows :Tj= θj-L1•Pd1+θj-L2•Pd2+θj-L3•Pd3+θj-L4•Pd4+T13pin qSLA3005M/3006M/3007M SLA3005M/3006M SLA3007M VIN VIN VO1 CIN *1 RFLG *5 + VC1 FLG1 VC1 FLG1 VO1 Reg. 1 DLY1 *3 Cd1 *2 CO1 *4 D1 + + + + VO2 RFLG *5 VC2 FLG2 VC2 FLG2 VO2 Reg. 2 DLY2 *3 Cd2 *2 CO2 *4 D2 + VO3 VC3 FLG3 VC3 FLG3 VO3 Reg. 3 DLY3 *3 Cd3 *2 CO3 *4 D3 + VO4 *5 RFLG VC4 VC4 GND VO4 Reg. 4 *2 CO4 *4 D4 + sTiming Charts Is1 Voth VDLYth t restart t DLY Io Vo VDLY VFLG VC Is1 Voth VDLYth t restart t DLY Io Vo VDLY VFLG VC SLA3006M SLA3005M/SLA3007M(excluding Reg4) |
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