SP7650ER-L Exar Corporation, SP7650ER-L Datasheet
SP7650ER-L
Specifications of SP7650ER-L
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SP7650ER-L Summary of contents
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Wide Input Voltage Range 3A, 300kHz, Buck Regulator FEATURES ■ 2.5V to 28V Step Down Achieved Using Dual Input ■ Output Voltage down to 0.8V ■ 3A Output Capability ■ Built in Low R Power Switches (40 m typ) DSON ...
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These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods ...
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Unless otherwise specified: -40°C < T AMB LX = GND = 0.0V, UVIN = 3.0V 1µ The denotes the specifications which apply over the full temperature range, unless otherwise specified. PARAMETER CONTROL LOOP: PWM COMPARATOR, RAMP ...
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Pin # Pin Name 1-3 P GND 4,8,19-21 GND COMP 7 UVIN 9 SS 10- 14-16,23- BST 22 Vcc General Overview The SP7650 is a fixed frequency, voltage mode, synchronous ...
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In the event that either a ther- mal, short-circuit, or UVLO fault is detected, the SP7650 is forced into an idle state where the output drivers are held off for a finite ...
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RC circuit to Ground more complex compensation is required, then the amplifier has enough bandwidth (45° MHz) and enough gain (60dB) to run Type III compensation schemes ...
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Inductor Selection There are many factors to consider in selecting the inductor including core material, inductance vs. frequency, current handling capability, effi- ciency, size and EMI typical SP7650 cir- cuit, the inductor is chosen primarily for value, saturation ...
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Output Capacitor Selection The required ESR (Equivalent Series Resis- tance) and capacitance drive the selection of the type and quantity of the output capacitors. The ESR must be small enough that both the resis- tive voltage deviation due to a ...
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The capacitor type suitable for the output capac- itors can also be used for the input capacitors. However, exercise additional caution when tanta- lum capacitors are used. Tantalum capacitors are known for catastrophic failure when exposed to surge current, and ...
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SP765X Thermal Resistance The SP765X family has been tested with a variety of footprint layouts along with different copper area and thermal resistance has been measured. The layouts were done on 4 layer FR4 PCB with the top and bottom ...
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Date: 2/16/06 SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator Date: /5/06 SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator © Copyright 2006 Sipex Corporation © Copyright 2006 Sipex Corporation 11 ...
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Gain (dB) Condition: C22 >> CP1, R1 >> RZ3 20 Log (RZ2/R1) Bode Plot of Type III Error Amplifier Compensation. RZ3 V OUT R1 68.1k =54.48/ (V OUT -0. SET Type III Error Amplifier Compensation Circuit ...
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Efficiency vs Load at 3.3Vin 100 Vout=2.5V 75 Vout=1. Vout=1.2V 60 0.0 0.5 1.0 1.5 Output Load (A) Efficiency vs Load at 12Vin 100 Vout=5.0V 75 Vout=3.3V 70 Vout=2.5V Vout=1.8V ...
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SP7650 Effi. v.s Iout Plots @ Vin=12V, and Vout=3.3V 95.0 90.0 85.0 80.0 75.0 70.0 0.5 1.0 1.5 2.0 Load Current (A) SP7650 Effi. v.s Iout Plots @ Vin=12V, and Vout=5.0V 94.0 92.0 90.0 88.0 86.0 84.0 82.0 80.0 78.0 ...
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Date: /5/06 SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator © Copyright 2006 Sipex Corporation 5 ...
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... SP7650ER ................................................. -40°C to +85°C ................................. 26 Pin DFN SP7650ER-L .............................................. -40°C to +85°C ............. (Lead Free) 26 Pin DFN SP7650ER/TR ........................................... -40°C to +85°C ................................. 26 Pin DFN SP7650ER-L/TR ........................................ -40°C to +85°C ............. (Lead Free) 26 Pin DFN Bulk Pack minimum quantity is 500. /TR = Tape and Reel. Pack quantity is 3,000 DFN. Sipex Corporation ...