SP6139 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'SP6139' PDF : 16 Pages View PDF
SP6139
Wide Input, 1.3MHz Synchronous PWM Step Down
Controller
SP6139 Voltage Mode Control Loop with Loop Dynamic
Definitions:
Resr = Output Capacitor Equivalent Series Resistance
Rdc = Output Inductor DC Resistance
Vramp_pp = SP6139 internal RAMP Amplitude Peak to Peak Voltage
Conditions:
Cz2 >> Cp1 and R1 >> Rz3
Output Load Resistance >> Resr and Rdc
Bode Plot of Type III Error Amplifier Compensation.
© 2008 Exar Corporation
12/16
Rev. 2.0.0
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