ISL78208_14 Datasheet, PDF (12/24 Pages) Intersil Corporation – Wide VIN Dual Standard Buck Regulator with 3A/3A Continuous Output Current

ISL78208
Typical Performance Curves _TA
=
-40°C
to
+105°C,
unless
otherwise
noted.
Typical
values
Circuit of
are at T_A =
F+i2gu5r°eC2. .(CVo_{INnt=in1u2eVd,)}
V_OUT1
=
5V,
V_OUT2
=
3.3V,
I_OUT1
=
3A,
I_OUT2
=
3A,
EN1 5V/DIV
V_OUT2 RIPPLE 20mV/DIV
V_OUT1 2V/DIV
IL1 0.5A/DIV
PG1 5V/DIV
IL2 2A/DIV
FIGURE 22. LOAD TRANSIENT CHANNEL 2
FIGURE 23. SOFT-START WITH NO LOAD CHANNEL 1
EN2 5V/DIV
V_OUT2 2V/DIV
IL2 0.5A/DIV
PG2 5V/DIV
EN1 5V/DIV
V_OUT1 2V/DIV
IL1 2A/DIV
PG1 5V/DIV
FIGURE 24. SOFT-START WITH NO LOAD CHANNEL 2
EN2 5V/DIV
V_OUT2 2V/DIV
IL2 2A/DIV
PG2 5V/DIV
FIGURE 26. SOFT-START AT FULL LOAD CHANNEL 2
FIGURE 25. SOFT-START AT FULL LOAD CHANNEL 1
EN1 5V/DIV
V_OUT1 1V/DIV
IL1 0.5A/DIV
PG 5V/DIV
FIGURE 27. SHUTDOWN WITH NO LOAD CHANNEL 1
Submit Document Feedback ₁₂
FN8354.1
July 29, 2014