ISL6420A Datasheet, PDF (10/21 Pages) Intersil Corporation – Advanced Single Synchronous Buck Pulse-Width Modulation PWM Controller

ISL6420A
Typical Performance Curves
0.604
320
0.602
310
0.600
300
0.598
290
0.596
280
0.594
-40
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 1. V_REF vs TEMPERATURE
1.15
1.05
0.95
0.85
-40
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 3. I_OCSET vs TEMPERATURE
270
-40
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 2. V_SW vs TEMPERATURE
94
92
I_OUT = 5A
90
88
86
84
82
80
0
5
10
15
20
25
30
VIN (V)
FIGURE 4. EFFICIENCY vs VIN
+25°C, VIN = 28V, I_IN = 1.367, I_OUT = 10A
FIGURE 5.
10
FIGURE 6.
FN9169.4
December 4, 2009