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ISL75051SEH Datasheet, PDF (12/18 Pages) Intersil Corporation – 3A, Rad Hard, Positive, Ultra Low Dropout Regulator
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ISL75051SEH
Typical Operating Performance (Continued)
0.525
0.523
0.521
+25°C, VADJ
0.519
0.517
-58°C, VADJ
+128°C, VADJ
0.515
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
VIN (V)
FIGURE 15. VIN vs VADJ OVER TEMPERATURE
8
ROCP = 0.511k
7
6
ROCP = 0.681k
5
4
ROCP = 0.75k ROCP = 1.00k
3
ROCP = 1.47k
ROCP = 2.00k
2
1
0
2.0
ROCP = 2.61k ROCP = 3.83
2.5 3.0 3.5 4.0 4.5 5.0
VIN (V)
ROCP = 5.11k
5.5 6.0 6.5 7.0
FIGURE 16. ROCP vs OCP AT +25°C, VOUT = 1.5V
8
7
ROCP = 0.511k
6
ROCP = 0.681k
5
ROCP = 0.75k
ROCP = 1.00k
4
3
ROCP = 1.47k
ROCP = 2.00k
2
1
0
ROCP = 2.61k
ROCP = 3.83 ROCP = 5.11k
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
VIN (V)
FIGURE 17. ROCP vs OCP AT +128°C, VOUT = 1.5V
8
ROCP = 0.511k
7
6
ROCP = 0.681k
5
4
ROCP = 0.75k
ROCP = 1.00k
3
ROCP = 1.47k
ROCP = 2.00k
2
1
0
ROCP = 2.61k
ROCP = 3.83 ROCP = 5.11k
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
VIN (V)
FIGURE 18. ROCP vs OCP AT -58°C, VOUT = 1.5V
FIGURE 19. TRANSIENT LOAD RESPONSE, VIN = 3.3V, VOUT = 2.5V,
COUT = 47µF, 35mΩ
FIGURE 20. TRANSIENT LOAD RESPONSE, VIN = 3.3V, VOUT = 2.5V,
COUT = 220µF, 25mΩ
12
FN8294.0
August 28, 2012
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