SP7651ER-L Exar Corporation, SP7651ER-L Datasheet
SP7651ER-L
Specifications of SP7651ER-L
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SP7651ER-L Summary of contents
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Solved by Wide Input Voltage Range 3Amp TM 900kHz Buck Regulator FEATURES • 2.5V to 20V Step Down Achieved Using Dual Input • Output Voltage down to 0.8V • 3A Output Capability ( with Air Flow) • Built ...
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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 0.0V, UVIN = 3.0V µ 0.µ COMP • The denotes the specifications which apply over the full temperature range, unless otherwise specified. PARAMETER CONTROL LOOP: PWM COMPARATOR, ...
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Pin # Pin Name Description -3 P Ground connection for the synchronous rectifier gnd 4,8,9-2 GND Ground Pin. The control circuitry of the IC and lower power driver are refer- enced to this pin. Return separately from other ground traces ...
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V UVLO ensures that the controller CC itself has enough voltage to properly operate. Other protection features include thermal shutdown and short-circuit detection. In the event that either a thermal, short-circuit, or ...
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COMP pin externally simple, single pole, single zero response is desired, then compensation can be as simple ...
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Inductor Selection There are many factors to consider in se- lecting the inductor, including: core material, inductance vs. frequency, current handling capability, efficiency, size and EMI typi- cal SP765 circuit, the inductor is chosen primarily by operating frequency, ...
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Output Capacitor Selection The required ESR (Equivalent Series Re- sistance) and capacitance drive the selec- tion of the type and quantity of the output capacitors. The ESR must be small enough that both the resistive voltage deviation due to a ...
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Tantalum capacitors are known for catastrophic failure when exposed to surge current, and input capacitors are prone to such surge current when power supplies are connected “live” to low impedance power sources. Loop Compensation Design ...
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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 SET Type III Error Amplifier Compensation Circuit Rev J: 3/4/07 SP765 Wide Input ...
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SP765X Thermal Resistance The SP765X family has been tested with a variety of footprint layouts along with differ- ent copper area and thermal resistance has been measured. The layouts were done on 4 layer FR4 PCB with the top and ...
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Rev J: 3/4/07 SP765 Wide Input Voltage Range 3A, 900kHz, Buck Regulator © Copyright 2007 Sipex Corporation 2 ...
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Rev J: 3/4/07 SP765 Wide Input Voltage Range 3A, 900kHz, Buck Regulator TYPICAL PERFORMANCE CHARACTERISITICS 3 © Copyright 2007 Sipex Corporation ...
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Rev J: 3/4/07 SP765 Wide Input Voltage Range 3A, 900kHz, Buck Regulator PACkAGE: 26 PIN DFN © Copyright 2007 Sipex Corporation 4 ...
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Part Number Package Code RoHS SP765ER DFN26 SP765ER/TR DFN26 SP765ER-L DFN26 ▪ SP765ER-L/TR DFN26 ▪ Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the applica- tion ...