ISL75051SEH Datasheet, PDF (13/18 Pages) Intersil Corporation – 3A, Rad Hard, Positive, Ultra Low Dropout Regulator

ISL75051SEH
Typical Operating Performance (Continued)
FIGURE 21. POWER-ON AND POWER-OFF, EN = 0 TO 1, +25°C,
V_IN = 6V, V_OUT = 0.8V, I_OUT = 0.5A, PGOOD TURN-ON
FIGURE 22. POWER-ON AND POWER-OFF, EN = 0 TO 1, +25°C,
V_IN = 2.2V, V_OUT = 0.8V, I_OUT = 0.5A, PGOOD TURN-ON
FIGURE 23. POWER-ON AND POWER-OFF, EN = 1 TO 0, +25°C,
V_IN = 6V, V_OUT = 0.8V, I_OUT = 0.5A, PGOOD TURN-OFF
FIGURE 24. POWER-ON AND POWER-OFF, EN = 1 TO 0, +25°C,
V_IN = 2.2V, V_OUT = 0.8V, I_OUT = 0.5A, PGOOD TURN-OFF
1000
100
10
1
0.1
300
3k
30k
FREQUENCY (Hz)
FIGURE 25. NOISE (µV/√Hz)
300k
80
70
64.96dB
60
PSRR dB AT -58°C
50
PSRR dB AT +25°C
40
PSRR dB AT +128°C
30
20 ^VIN ^{= 2.5V, V}OUT ^{= 1.8V,}
I_OUT = 3A, SIGNAL = 300mV_P-P,
10 C_IN = 220µF TANT,
0 ^{COUT = 220µF TANT, CBYP = 0.2µF}
10
100
1k
10k
FREQUENCY (Hz)
27.61dB
100k
FIGURE 26. PSRR
13
FN8294.0
August 28, 2012