ISL21090 Datasheet, PDF (6/10 Pages) Intersil Corporation – Ultra Low Noise, Precision Voltage Reference Output Current Capability 20mA

ISL21090
Typical Performance Curves (ISL21090-2.5) (Continued)
30
20
+25°C
10
0
-10
-40°C
-20
+125°C
-30
-40
-25 -20 -15 -10 -5
0
5 10 15 20
(SOURCING)
I_LOAD (mA)
(SINKING)
FIGURE 9. LOAD REGULATION, THREE TEMPERATURES
6
4
2
CL = NO LOAD
0
-2
CL = 100nF
CL = 1µF
-4
-6
0
20
40
60
80
100
120
TIME (µs)
FIGURE 10. LOAD TRANSIENT (ΔV_IN = ±1mA)
6
5
4
VIN
3
2
CL = 0.1µF
1
0
-1
0
50 100 150 200 250 300 350 400
TIME (µs)
FIGURE 11. TURN-ON TIME WITH 0.1µF
6
5
4
VIN
3
2
CL = 1µF
1
0
-1
0
50 100 150 200 250 300 350 400
TIME (µs)
FIGURE 12. TURN-ON TIME WITH 1µF
1000.0
100.0
10.0
1.0
0.1
0.01
0.001
10
CL = 10nF
CL = NO LOAD
CL = 1nF
CL = 100nF
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 13. Z_OUT vs FREQUENCY
0
-20
-40
CL = 100nF
-60
CL = 10nF
CL = 1nF
-80
-100
-120
-140
10
CL = NO LOAD
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 14. RIPPLE REJECTION AT DIFFERENT CAPACITIVE
LOADS
6
FN6993.0
June 8, 2011