ISL70001ASEH Datasheet, PDF (11/25 Pages) Intersil Corporation – Rad Hard and SEE Hard 6A Synchronous Buck Regulator

ISL70001ASEH
Typical Operating Performance
Unless otherwise noted, T_A = +25°C, V_IN = 5V, EN = 5V, L = 1.0µH, C_IN = 4x47µF, C_OUT = 10x100µF, V_OUT = 1.8V, I_OUT = 0A to 6A. (Continued)
EN 2V/DIV
VOUT 1V/DIV
IL 1A/DIV
PGOOD 5V/DIV
EN 2V/DIV
VOUT 1V/DIV
IL 2A/DIV
PGOOD 5V/DIV
FIGURE 11. SOFT-START WITH NO LOAD
FIGURE 12. SOFT-START WITH FULL LOAD
LX PULSE 5V/DIV
VOUT 20mV/DIV
IL 1A/DIV
FIGURE 13. STEADY STATE OPERATION WITH NO LOAD
VOUT 20mV/DIV
IL 2A/DIV
LX PULSE 5V/DIV
IL 2A/DIV
VOUT 20mV/DIV
FIGURE 14. STEADY STATE OPERATION WITH FULL LOAD
VOUT 50mV/DIV
IL 2A/DIV
FIGURE 15. LOAD TRANSIENT 50%
11
FIGURE 16. LOAD TRANSIENT 100%
FN8365.0
May 22, 2013