ISL21090
Typical Performance Curves (ISL21090-5.0) (Continued)
80
10
40
0
-40
-80
+25°C
8
6
4
2
0
C L = 100nF
C L = 1μF
-120
-160
-200
+125°C
-40°C
-2
-4
-6
-8
-240
-20 -15
-10
-5
0
5 10
-10
0
20
40
60
80
100 120
140
160
180
200
(SOURCING)
I LOAD (mA)
(SINKING)
TIME (μs)
FIGURE 42. LOAD REGULATION, THREE TEMPERATURES
12
10
12
10
FIGURE 43. LOAD TRANSIENT ( Δ I LOAD = ±1mA)
8
6
4
2
0
V IN
C L = 0.1μF
8
6
4
2
0
V IN
C L = 1μF
-2
0
50
100
150
200
250
300
350
400
-2
0
50
100
150
200
250
300
350
400
1000
TIME (μs)
FIGURE 44. TURN-ON TIME WITH 0.1μF
0
TIME (μs)
FIGURE 45. TURN-ON TIME WITH 1μF
100
10
C L = 10nF
C L = 0
-20
-40
-60
C L = 100nF
C L = 0
C L = 1nF
C L = 10nF
1
0.1
C L = 1nF
C L = 100nF
-80
-100
0.01
10
100
1k
10k
100k
1M
10M
-120
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 46. Z OUT vs FREQUENCY
13
FREQUENCY (Hz)
FIGURE 47. PSRR AT DIFFERENT CAPACITIVE LOADS
FN6993.5
February 27, 2013
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