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| qSI-3000R Series SI-3000R Seires 5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type with Reset Function sFeatures * Reset signal output (As the output rises it sends a reset signal to the microcomputer to secure normal operation of the system. As the output drops a reset signal is also sent out to protect the system.) * Reset signal detection output voltage level Voth is 92% of output voltage in the standard specification. Models with different setting values for different needs are scheduled to be added to the series. * Delay time for reset signal can be adjusted freely by external capacitor. * Compact full-mold package (equivalent to TO220) * Output current: 1.5A * Low dropout voltage :VDIF1V (at IO=1.5A) Applicable to battery driven equipment with built-in microcomputer. * Built-in droping type overcurrent, overvoltage, thermal protection circuits * Low circuit current ID=typ.1.5mA(IO=0A) sApplications * Microcomputer-controlled equipment * Battery-driven micro-computer-controlled equipment sAbsolute Maximum Ratings Parameter DC Input Voltage Voltage of Rest Signal Output Terminal DC Output Current Power Dissipation Junction Temperature Ambient Operating Temperature Storage Temperature Thermal Resistance (junction to case) Thermal Resistance (junction to ambient air) Symbol VIN VRST IO PD1 PD2 Tj TOP Tstg Rth(j-c) Rth(j-a) Ratings SI-3050R 35 VIN 1.5*1 18(With infinite heatsink) 1.5(Without heatsink, stand-alone operation) -30 to +125 -30 to +105 -30 to +125 5.5 66.7(Without heatsink, stand-alone operation) V V A W W C C C C/W C/W Unit (Ta=25C) 52 qSI-3000R Series sElectrical Characteristics Ratings Parameter Input Voltage Output Voltage Symbol min. VIN VO Conditions VDIF Dropout Voltage Conditions Conditions Line Regulation Load Regulation Ripple Rejection Quiescent Circuit Current Overcurrent Protection Starting Current (Drooping Type) Limited Current at Overcurrent Protection Operation DLY Threshold Terminal Source Reset Threshold Voltage Level (Voth: Threshold Output Voltage) Reset Threshold Voltage Hysteresis H-level Output Voltage VRST L-level Output Voltage Terminal*4 Sink Current at H level Source Current at L level Voth VRSTH VRSTL IRSTH IRSTL -16 50 VCC-1 100 VOLINE Conditions VOLOAD Conditions RREJ Conditions Iq Conditions IS1 Conditions IS2 Conditions VDLyth IDLY Voth/VO 2.7 25 90 1.6 VIN=8V 2.9 35 92 1.6 VIN=8V VIN=8V, IO=0 to 1.5A 54 VIN=8V, f=100 to 120HZ 1.5 VIN=8V, IO=0A VIN=6 to 15V, IO=1.0A IO1.0A 6*2 4.80 5.00 VIN=8V, IO=1.0A SI-3050R typ. (Ta=25C unless otherwise specified) Unit max. 30*1 5.20 0.5 V 1.0 V V IO1.5A 30 100 mV mV dB 5.0 mA A A 3.1 45 94 150 0.8 -20 V A % mV V V A mA *1: VIN(max) and IO(max) are restricted by the relation PD(max)=(VIN-VO)*IO=18(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=8V, IO=1.0A. *4: Reset signal output terminal VRST is an open-collector output. Use a pull-up resistor when connecting it to a logic circuit. 53 qSI-3000R Series sReset Signal Output Timing Chart VIN Input Voltage VO+VDIF GND Voth VO Voth Output Voltage GND VDLY Voltage Across Delay Capacitor VDLYth The delay time tDLY of the reset signal can be calculated from the following formula: tDLY= VRSTH O(V) Reset Signal Output VDLYth x CDLY IDLY VRSTL O(V) Vo drops for a period less than tRESET (min) *IDLY is the current flowing from the DLY terminal shown in the standard connection circuit diagram. tDLY tDLY tRESET (mim.) sOutline Drawing 3.20.2 0.5 (unit:mm) 10.0 0.2 4.20.2 0.2 2.8 4.00.2 7.90.2 (17.9) Part Number Lot Number 16.90.3 2.60.1 (2.0) Plastic Mold Package Type Flammability: UL94V-0 Weight: Approx. 2.3g Terminal Connections q w e r t GND DELAY VO Rest Signal output VIN 0.950.15 (4.6) +0.2 0.85 -0.1 0.45 -0.1 P1.70.7x4=6.80.7 +0.2 3.90.7 (4.3) 8.20.7 12345 Forming No. 1101 54 (8.0) 5.00.6 qSI-3000R Series sBlock Diagram Tr1 5 3 MIC Reg. Drive OCP, OVP Amp. Reset 4 TSD VREF 1 2 sStandard External Circuit *4 D1 5 SI-3050R 3 *3 4 R1 C0 + *1C1 DC Input VO + 1 2 Reset Signal Output Terminal DC Output VO *4 D2 *2 CDLY : Output capacitor (Approx. 200F) : Oscillation prevention capacitor (C1: Approx. 47F) The distance between terminals No.5 (VIN) and No.1 (GND) must be made as short as possible. If the input line is inductive or in the case of long wiring, a capacitor of approximately 0.33F with superior high frequency characteristics must be connected in parallel. Tantalum capacitors are recommended for C1 and C0, particularly at low temperatures. *2 CDLY : Delay capacitor (reset output) *3 R1 : Pull-up resistor (300 or above) *4 D1 : Protection diodes D2 These diodes are required for protection against reverse biasing of the input and output. Sanken EU2Z is recommended. C0 *1 C1 sTa-PD Characteristics 20 Infinite heatsink With Silicon Grease Heatsink: Aluminum Power Dissipation PD (W) 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] 55 qSI-3000R Series sTypical Characteristics (Ta=25C) IO vs. VDIF Characteristics 0.8 Temperature Coefficient of Output Voltage 5.06 5.04 VIN=8V lO=10mA Rise Characteristics 6 5 Dropout Voltage VDIF (V) 0.6 Output Voltage VO (V) Output Voltage VO (V) 5.02 5.00 4.98 4.96 4.94 4.92 4 lO=0A 0.5A 1A 1.5A 0.4 3 2 0.2 1 0 0 0.5 1.0 1.5 4.90 -40 -20 0 20 40 60 80 100 120 140 0 0 1 2 3 4 5 6 7 8 Output Current lo (A) Ambient Temperature Ta (C) Input Voltage VIN (V) Circuit Current 25 Overcurrent Protection Characteristics 6 Thermal Protection Characteristics 6 VIN=8V lO=10mA 8V Ground Current IG (mA) Output Voltage VO (V) 20V 15V 20 5 5 Output Voltage Vo (V) VIN=30V 25V 4 4 15 6V 3 3 10 lO=1 .5 A 2 2 1A 5 0.5A 0A 0 0 5 10 15 20 25 30 1 1 0 0 0.5 1 1.5 2 2.5 3 0 60 80 100 120 140 160 180 Input Voltage VIN (V) Output Current lO (A) 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. Reset Output vs. VO Characteristics 6 VIN=8V lO=0A RL=510 5 Reset Output vs. DLY Terminal Voltage Characteristics 6 VIN=8V lO=0A RL=510 5 Reset Signal Delay Time tDLY(sec) 10 VIN=8V lO=0A 1 Reset Output Voltage VRST (V) Reset Output Voltage VRST (V) 4 4 Delay Time tDLY (sec.) 100m 3 3 10m 2 2 1m 1 1 100 10 1p 0 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 10p 100p 1000p 0.01 0.1 1 10 Output Voltage VO (V) DLY Terminal Voltage VDLY (V) Delay Capacitor Capacitance CDLY (F) 56 |
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