ISL21090_12 Datasheet, PDF (7/17 Pages) Intersil Corporation – Ultra Low Noise, Precision Voltage Reference

ISL21090
Typical Performance Curves (ISL21090-1.25V) (Continued)
50
40
30
20
+125°C
10
+25°C
30
100nF
20
10
1µF
0
0
-10
-10
-20
-40°C
-20
-30
-25
-20 -15 -10 -5 0
SOURCING
I_LOAD (mA)
5 10 15
SINKING
-30
0
200
400
600
800
1000 1200
TIME (µs)
FIGURE 9. LOAD REGULATION, THREE TEMPERATURE
FIGURE 10. LOAD TRANSIENT (ΔI_LOAD = ±1mA)
6
5
4
V_IN
3
2
1
V_OUT = 0.1µF
0
-1
0 50 100 150 200 250 300 350 400 450 500 550
TIME (µs)
FIGURE 11. TURN ON TIME WITH 0.1µF
6
5
4
V_IN
3
2
1
0
V_OUT 1µF
-1
0 50 100 150 200 250 300 350 400 450 500 550
TIME (µs)
FIGURE 12. TURN ON TIME WITH 1µF
100
C_L = 1nF
10
C_L = 10nF
1
0.1
0.01
C_L = 10µF
0.001
C_L = 1µF
C_L = 100nF
0.0001
10
100 1k
10k 100k 1M
10M
FREQUENCY (Hz)
FIGURE 13. Z_OUT vs FREQUENCY (COMP = 0.01µF)
0
100nF
-20
-40
1µF
-60
-80
-100
-120
10
100 1k
10k 100k 1M
10M
FREQUENCY (Hz)
FIGURE 14. PSRR AT DIFFERENT CAPACITIVE LOADS
7
FN6993.3
November 21, 2012