ISL75051SRH Datasheet, PDF (8/15 Pages) Intersil Corporation – 3A, Rad Hard, Positive, Ultra Low Dropout Regulator

ISL75051SRH
Typical Operating Performance (Continued)
4.090
4.085
4.080
4.075
+128°C, V_OUT (mV)
+25°C, V_OUT (mV)
4.070
4.065
V_IN = 5V
-58°C, V_OUT (mV)
4.060 ^{VOUT = 4V}
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
I_OUT (A)
FIGURE 7. LOAD REGULATION, V_OUT vs I_OUT
0.5215
0.5210
+25°C, V_ADJ (mV)
0.5205
0.5200
0.5195
-58°C, V_ADJ (mV)
0.5190
0.5185
+128°C, V_ADJ (mV)
0.5180
0.5175
0.5170
0.5165 ^{VIN = 5V}
0.5160 ^{VOUT = 4V}
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
I_OUT (A)
FIGURE 8. LOAD REGULATION, V_ADJ vs I_OUT
0.525
0.523
0.521
+25°C, V_ADJ (mV)
0.519
0.517
-58°C, V_ADJ (mV)
+128°C, V_ADJ (mV)
0.515
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
V_IN (V)
FIGURE 9. V_IN vs V_ADJ OVER TEMPERATURE
8
7
R_OCP = 0.511k
6
R_OCP = 0.681k
5
4
R_OCP = 0.75k
R_OCP = 1.00k
3
R_OCP = 1.47k
R_OCP = 2.00k
2
1
0
R_OCP = 2.61k
R_OCP = 3.83
R_OCP = 5.11k
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
V_IN (V)
FIGURE 10. R_OCP vs OCP AT +25°C, V_OUT = 1.5V
8
7
R_OCP = 0.511k
6
R_OCP = 0.681k
5
R_OCP = 0.75k
4
3
R_OCP = 1.47k
R_OCP = 1.00k
R_OCP = 2.00k
2
1
0
R_OCP = 2.61k
R_OCP = 3.83
R_OCP = 5.11k
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
V_IN (V)
FIGURE 11. R_OCP vs OCP AT +128°C, V_OUT = 1.5V
8
7
R_OCP = 0.511k
6
R_OCP = 0.681k
5
R_OCP = 0.75k
4
3
R_OCP = 1.47k
R_OCP = 1.00k
R_OCP = 2.00k
2
1
0
R_OCP = 2.61k
R_OCP = 3.83
R_OCP = 5.11k
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
V_IN (V)
FIGURE 12. R_OCP vs OCP AT -58°C, V_OUT = 1.5V
8
FN7610.1
November 4, 2011