NCV59748 Datasheet, PDF (6/10 Pages) ON Semiconductor – 1.5 A, Dual-Rail Very Low‐Dropout Linear Regulator with Programmable Soft‐Start

NCV59748
TYPICAL CHARACTERISTICS
At T_J = +25°C, V_IN = V_OUT(TYP) + 0.3 V, V_BIAS = 5 V, I_OUT = 50 mA, V_EN = V_IN,
C_IN = 1 mF, C_BIAS = 4.7 mF, and C_OUT = 10 mF, unless otherwise noted.
200
180
I_OUT = 0.5 A
160
140
−40°C
120
100
+25°C
80
+125°C
60
40
20
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
V_BIAS − V_OUT (V)
Figure 9. V_IN Dropout Voltage vs. (V_BIAS −
V_OUT) and Temperature T_J
2000
1800
1600
1400
+125°C
+25°C
1200
1000
−40°C
800
600
400
200
0
0
0.5
1.0
1.5
I_OUT, OUTPUT CURRENT (A)
Figure 11. BIAS Pin Current vs. I_OUT and
Temperature T_J
0.500
0.475
0.450
0.425
0.400
0.375
0.350
0.325
0.300
−50 −25
0
25 50
75 100 125
T_J, JUNCTION TEMPERATURE (°C)
Figure 13. Soft Start Charging Current I_SS vs.
Temperature T_J
1200
1100
1000
900
−40°C
+25°C
+125°C
800
700
600
0
0.5
1.0
1.5
I_OUT, OUTPUT CURRENT (A)
Figure 10. V_BIAS Dropout Voltage vs. I_OUT and
Temperature T_J
2000
1800
1600
1400
1200
1000
800
+25°C
+125°C
−40°C
600
400
200
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_BIAS (V)
Figure 12. BIAS Pin Current vs. V_BIAS and
Temperature T_J
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
6
8
10
12
I_PG, PG PIN CURRENT (mA)
Figure 14. L−level PG Voltage vs. Current
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