ISL78201 Datasheet, PDF (12/23 Pages) Intersil Corporation – 40V 2.5A Regulator with Integrated High-side MOSFET for Synchronous Buck or Boost Buck Converter

Performance Curves (Continued)
ISL78201
V_OUT 200mV/DIV (5V OFFSET)
LGATE 5V/DIV
V_OUT 10mV/DIV (5V OFFSET)
I_OUT 1A/DIV
PHASE 20V/DIV
PHASE 5V/DIV
1ms/DIV
FIGURE 24. V_IN 24V, 0 TO 2A STEP LOAD, PFM MODE
20µs/DIV
FIGURE 25. NON-SYNCHRONOUS BUCK, FORCE PWM MODE,
V_IN 12V, NO LOAD
V_OUT 10mV/DIV (5V OFFSET)
PHASE 10V/DIV
5µs/DIV
FIGURE 26. NON-SYNCHRONOUS BUCK, FORCE PWM MODE,
V_IN 12V, 2A
V_OUT 1V/DIV
V_IN_BOOST 5V/DIV
20ms/DIV
FIGURE 28. BOOST BUCK MODE, BOOST INPUT STEP FROM
3V TO 40V
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V_OUT 1V/DIV
V_IN_BOOST 5V/DIV
20ms/DIV
FIGURE 27. BOOST BUCK MODE, BOOST INPUT STEP FROM 40V TO
3V
V_OUT 5V/DIV
IL_BOOST 2A/DIV
PHASE_BOOST 20V/DIV
PHASE_BUCK 20V/DIV
10ms/DIV
FIGURE 29. BOOST BUCK MODE, V_O = 9V, I_O = 1.8A, BOOST INPUT
DROPS FROM 16V TO 9V DC
FN8615.1
March 31, 2015