ISL70003ASEH Datasheet, PDF (18/36 Pages) Intersil Corporation – Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator

ISL70003ASEH
Typical Performance Curves Unless otherwise noted, Test platform is the ISL70003ASEHEV1Z where V_IN = 12V,
V_OUT = 3.3V, I_OUT = 3A, f_SW = 500kHz, C_IN = 4x 100µF + 5x1µF, L_OUT = 3.3µH, C_OUT = 1x 150µF + 1µF, T_CASE = +25°C, All outputs active. (Continued)
0.05
5V_OUT
0.00
0
-0.05
-0.05
-0.10
-0.15
-0.20
0.9V_OUT
1.2V_OUT
1.5V_OUT
2.5V_OUT
-0.10 _{PVIN = 13.3V}
-0.15
PVIN = 3V
-0.20
PVIN = 5V
-0.25
1.8V_OUT
-0.25
PVIN = 8V
-0.30 ₀
1
2
3
4
5
6
7
8
9
OUTPUT CURRENT (A)
FIGURE 24. LOAD REGULATION vs V_OUT, PVIN = 12V
-0.30 ₀
1
2
3
4
5
6
7
8
9
OUTPUT CURRENT (A)
FIGURE 25. LOAD REGULATION vs PVIN, V_OUT = 1.0V
0.05
0.00
-0.05
-0.10
-0.15
300kHz
500kHz
-0.20
-0.25
-0.300
1
2
3
4
5
6
7
8
9
LOAD CURRENT (A)
FIGURE 26. LOAD REGULATION vs SWITCHING FREQUENCY
0.05
0.03
0.01
1.5V_OUT
-0.01
-0.03
2.5V_OUT
-0.053 _{4 5 6 7 8 9 10 11 12 13 14}
PVIN (V)
FIGURE 27. LINE REGULATION, V_OUT = 1.0V, LOAD = 3A
606
604
602
600
598
PV_IN = 3V
PV_IN = 13.2V
596
594-60 _{-40 -20}
0 20 40 60 80
TEMPERATURE (°C)
100 120 140
FIGURE 28. REFERENCE VOLTAGE vs TEMPERATURE
606
604
-55°C
602
600
598
+125°C
596
+25°C
5942
4
6
8
10
12
14
INPUT VOLTAGE (V)
FIGURE 29. REFERENCE VOLTAGE vs V_IN
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August 5, 2015