XR76201 Datasheet, PDF (8/16 Pages) Exar Corporation – 40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator

XR76201
Typical Performance Characteristics (Continued)
Unless otherwise noted: V_IN = 24V, V_OUT = 3.3V, I_OUT = 1.5A, f = 600kHz, T_A = 25°C. Application Circuit from the Application
Information section.
SW
VOUT
AC-coupled 20MHz ^33mVp-p
SW
VOUT
AC-coupled 20MHz ^24mVp-p
IL
2µs/div
Figure 13.
Steady State, I_OUT = 1.5A
IL
400µs/div
Figure 14.
Steady State, DCM, I_OUT = 0A
VIN
EN
VOUT
IL
4ms/div
Figure 15.
Power Up, Forced CCM
VIN
EN
VOUT
IL
4ms/div
Figure 16.
Power Up, DCM/CCM
SW
VOUT
AC-coupled 20MHz
90mV
68mV
Di/Dt = 2.5A/µs
IOUT
20µs/div
Figure 17.
Load Step, Forced CCM, 0A-0.8A
REV1A
SW
VOUT
AC-coupled 20MHz
172mV
92mV
IOUT
Di/Dt = 2.5A/µs
100µs/div
Figure 18.
Load Step, DCM/CCM, 0.05A-0.85A
8/16