SP6134 Datasheet, PDF (12/15 Pages) Sipex Corporation – Dual Supply Synchronous Buck Controller

SP6134
600kHz Synchronous PWM Step Down Controller
SP6134 Voltage Mode Control Loop with Loop Dynamic
Definitions:
Resr = Output Capacitor Equivalent Series Resistance
Rdc = Output Inductor DC Resistance
Vramp_pp = SP6134 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
12/15
Rev. 2.0.0