ISL21009_0709 Datasheet, PDF (11/19 Pages) Intersil Corporation – High Voltage Input Precision, Low Noise FGA™ Voltage References

ISL21009
Typical Performance Curves (ISL21009-41) (R_EXT = 100kΩ) (Continued)
4.0963
4.0962
4.0962
4.0961
4.0961
4.0960
UNIT 1
UNIT 3
UNIT 2
4.0960
4.0959
4.0959
4.0958
4.50
6.50
8.50 10.5
12.5
14.5
16.5
V_IN (V)
FIGURE 32. LINE REGULATION, 3 UNITS
300
250
200
150
100
50
0
-50
-100
-150
-200
4.50
+25°C
+125°C
-40°C
6.50
8.50 10.5
12.5
14.5
16.5
V_IN (V)
FIGURE 33. LINE REGULATION OVER-TEMPERATURE
0.10
0.05
0.00
-0.05
-0.10
-40°C
+25°C
+125°C
-0.15
-0.20
-7 -6 -5 -4 -3 -2 -1 0 1 2 3
SINKING
OUTPUT CURRENT (mA)
4567
SOURCING
FIGURE 34. LOAD REGULATION
4.0970
4.0965
4.0960
UNIT 2
4.0955
4.0950
UNIT 1
UNIT 3
4.0945
-40 -25 -10
5 20 35 50 65 80
TEMPERATURE (°C)
95 110 125
FIGURE 35. V_OUT vs TEMPERATURE
0
V_IN (DC) = 5V
-10
V_IN (AC) RIPPLE = 50mV_P-P
NO LOAD
-20
100nF LOAD
-30
-40
-50
-60
-70
-80
1
10nF LOAD
1nF LOAD
10
100
1k
10k 100k 1M 10M
FREQUENCY (Hz)
FIGURE 36. PSRR AT DIFFERENT CAPACITIVE LOADS
X = 10µs/DIV
Y = 200mV/DIV
FIGURE 37. LINE TRANSIENT RESPONSE, NO CAPACITIVE
LOAD
11
FN6327.6
September 12, 2007