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ISL21080
Electrical Specifications
(ISL21080-50 V OUT = 5.0V) V IN = 6.5V, T A = -40°C to +85°C, I OUT = 0, unless otherwise
specified. Boldface limits apply over the operating temperature range, -40°C to
+85°C.
MIN
MAX
PARAMETER
DESCRIPTION
CONDITIONS
(Note 12)
TYP
(Note 12)
UNIT
V OUT
Output Voltage
5.0
V
V OA
TC V OUT
V IN
I IN
V OUT Accuracy @ T A = +25°C (Notes 7, 8)
Output Voltage Temperature Coefficient
(Note 9)
Input Voltage Range
Supply Current
-0.2
5.5
0.5
+0.2
50
8.0
1.5
%
ppm/°C
V
μA
Δ V OUT / Δ V IN
Δ V OUT / Δ I OUT
I SC
t R
e N
V N
Δ V OUT / Δ T A
Δ V OUT / Δ t
Line Regulation
Load Regulation
Short Circuit Current
Turn-on Settling Time
Ripple Rejection
Output Voltage Noise
Broadband Voltage Noise
Noise Density
Thermal Hysteresis (Note 10)
Long Term Stability (Note 11)
5.5 V < V IN < 8.0V
Sourcing: 0mA ≤ I OUT ≤ 10mA
Sinking: -10mA ≤ I OUT ≤ 0mA
T A = +25°C, V OUT tied to GND
V OUT = ±0.1% with no load
f = 120Hz
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
f = 1kHz
Δ T A = +165°C
T A = +25°C
80
10
20
80
4
-40
30
52
1.1
100
50
350
100
350
μV/V
μV/mA
μV/mA
mA
ms
dB
μV P-P
μV RMS
μV/ √ Hz
ppm
ppm
NOTES:
9. Over the specified temperature range. Temperature coefficient is measured by the box method whereby the change in V OUT is
divided by the temperature range; in this case, -40°C to +85°C = +125°C.
10. Thermal Hysteresis is the change of V OUT measured @ T A = +25°C after temperature cycling over a specified range, Δ T A . V OUT
is read initially at T A = +25°C for the device under test. The device is temperature cycled and a second V OUT measurement is
taken at +25°C. The difference between the initial V OUT reading and the second V OUT reading is then expressed in ppm. For Δ
T A = +125°C, the device under test is cycled from +25°C to +85°C to -40°C to +25°C.
11. Long term drift is logarithmic in nature and diminishes over time. Drift after the first 1000 hours will be approximately
10ppm/ √ 1khrs.
12. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established
by characterization and are not production tested.
Typical Performance Characteristics Curves
V OUT = 0.9V, V IN = 3.0V, I OUT = 0mA,
T A = +25°C unless otherwise specified.
0.6
0.6
0.5
0.4
0.3
HIGH
0.5
0.4
0.3
+85° C
0.2
LOW
TYP
0.2
-40°C
+25° C
0.1
0.1
0
2.0
2.4
2.8
3.2
3.6 4.0
4.4
4.8
5.2
0
2.0
2.4
2.8
3.2
3.6 4.0
4.4
4.8
5.2
V IN (V)
FIGURE 2. I IN vs V IN , 3 UNITS
8
V IN (V)
FIGURE 3. I IN vs V IN OVER-TEMPERATURE
FN6934.4
May 25, 2010
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