SP6121CN-L Datasheet, PDF (28/42 Pages) Sipex Corporation – Low Voltage, Synchronous Step Down PWM Controller

Circuit Waveforms
Ripple Noise, VIN=5.0V
VIN
VOUT
VSENSE
Ripple Noise, VIN=3.3V
Switching Behavior, VIN=5.0V
PDRV
NDRV
I L2
1A/div
I L1
1A/div
Switching Behavior, VIN=3.3V
Nov 28 06 AppNote: SP6121 as a Synchronous Buck-Boost LED Driver
Page 8
© 2006 Sipex Corporation