SI-8005Q Allegro Microsystems Inc, SI-8005Q Datasheet
SI-8005Q
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SI-8005Q Summary of contents
Page 1
... V, which is easily set to a voltage compatible with the diverse reduced power supply voltages required by signal processing ICs. Accepting a wide input voltage range, from 4. the SI-8005Q can be driven directly power supply. Applications include power supplies for signal processing ICs ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control Selection Guide Part Number Packing SI8005Q-TL 1000 pieces per reel Absolute Maximum Ratings Characteristic DC Input Voltage DC Input Voltage Allowable Power Dissipation Junction Temperature Storage Temperature Thermal Resistance (Junction to Ambient) Thermal Resistance (Junction to Case) Recommended Operating Conditions* ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control 1 ELECTRICAL CHARACTERISTICS , valid at T Characteristics Reference Voltage Output Voltage Temperature Coefficient Efficiency 2 Operating Frequency Line Regulation Load Regulation Overcurrent Protection Threshold Quiescent Current 1 Quiescent Current 2 SS Terminal Leakage Current 3 EN Terminal High Level Voltage ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control 100 90 80 Efficiency versus Output Current 1 100 90 80 Efficiency versus Output Current Performance Characteristics 25°C A Efficiency versus Output Current (A) O Efficiency versus Output Current (A) O Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control Overcurrent Protection 3 Load = 5.05 5.04 5.03 5.02 5.01 Load Regulation 5.00 4.99 4.98 4.97 4.96 4. Quiescent Current versus 5 Input Voltage 550 540 530 520 510 Operating Frequency versus 500 Output Current 490 480 470 ...
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... D1 Vsw All external components should be mounted as closely as possible to the SI-8005Q. The ground of all components should be connected at one point. The exposed copper area on the PCB that is connected to the heat sink on the reverse side of package is ground. Enlarging the PCB copper area enhances thermal dissipation from the package. ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control amplifier. The combination of a series-connected capacitor and resistor sets the combination of a pole and zero frequency point that decide the characteristics of the control system. The DC gain of the voltage feedback loop is calculated by the following equa- tion: ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control Using the SI-8005Q as an LED Driver SI-8005Q also can be configured as a high-efficiency constant current LED driver. Figure typical circuit diagram for this application. LED current is set by the formula below LED REF Note that LED current runs through the IC. Therefore, choose ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control Branding area Tracking number in dimple Package Outline Drawing 5. 0.695 TYP 0.08 ±0.08 0.05 ±0.05 0.40 1.27 2.90 Dimensions in millimeters Branding codes (exact appearance at manufacturer discretion): 1st line, type: 8005Q 2nd line, lot: SK YMDD Where the last digit of the year of manufacture ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control Empty tape Trailer 160mm Void Void R22 Void Void Packing Specification IC occupied tape Empty Tape Leader More than 160mm 1,000pcs (1,000 pockets 1.55 5.5 5.6 (4.75 0.3 15.4 0.1 Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control In general, the junction temperature level of surface mount pack- age ICs is dependent upon the area and material of the PC board and its copper area. Therefore, please design the PCB to allow sufficient margin for heat dissipation. Parallel Operation Parallel operation of multiple products to increase the current is not allowed ...
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... SI-8005Q Step-Down Switching Regulator with Current-Mode Control Asia-Pacific China Sanken Electric Hong Kong Co., Ltd. Suite 1026, Ocean Centre, Canton Road Tsimshatsui, Kowloon, Hong Kong Tel: 852-2735-5262, Fax: 852-2735-5494 Sanken Electric (Shanghai) Co., Ltd. Room 3202, Maxdo Centre, Xingyi Road 8 Changning District, Shanghai, China Tel: 86-21-5208-1177, Fax: 86-21-5208-1757 Taiwan Sanken Electric Co ...