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LT1019 Datasheet(PDF) 4 Page - Linear Technology

Part # LT1019
Description  Precision Reference
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1019 Datasheet(HTML) 4 Page - Linear Technology

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LT1019
1019fd
LTC1019A
LTC1019
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
∆VOUT
Load Regulation Series
0 ≤ IOUT ≤ 10mA (Note 5)
0.02
0.05
0.02
0.05
mV/mA (Ω)
∆IOUT
Mode (Notes 4, 5)
0.08
0.08
mV/mA (Ω)
Load Regulation,
1mA ≤ ISHUNT ≤ 10mA (Notes 5, 6)
Shunt Mode
2.5V, 4.5V, 5V
0.1
0.4
0.1
0.4
mV/mA (Ω)
10V
0.8
0.8
mV/mA (Ω)
Thermal Regulation (Note 7)
∆P = 200mW, t = 50ms
0.1
0.5
0.1
0.5
ppm/mW
IQ
Quiescent Current
0.65
1.0
0.65
1.2
mA
Series Mode
1.3
1.5
mA
Minimum Shunt Current
(Note 8)
0.5
0.8
0.5
0.8
mA
Minimum Input/Output
IOUT ≤ 1mA
0.9
1.1
0.9
1.1
V
Voltage Differential
IOUT = 10mA
1.3
1.3
V
Trim Range
LT1019-2.5
±3.5
±6
±3.5
±6%
LT1019-5
±3.5 5, – 13
±3.5
5, – 13
%
LT1019-10
±3.5 5, – 27
±3.5
5, – 27
%
ISC
Short-Circuit Current
2V ≤ VIN ≤ 35V
15
25
50
15
25
50
mA
Output Connected to GND
10
10
mA
en
Output Voltage Noise
10Hz ≤ f ≤ 1kHz
2.5
4
2.5
4
ppm (RMS)
(Note 10)
0.1Hz ≤ f ≤ 10Hz
2.5
2.5
ppm (P-P)
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: These are high power conditions and are therefore guaranteed
only at temperatures equal to or below 70°C. Input is either floating, tied to
output or held higher than output.
Note 3: Output voltage drift is measured using the box method. Output
voltage is recorded at TMIN, 25°C and TMAX. The lowest of these three
readings is subtracted from the highest and the resultant difference is
divided by (TMAX – TMIN).
Note 4: Line regulation and load regulation are measured on a pulse basis
with low duty cycle. Effects due to die heating must be taken into account
separately. See thermal regulation and application section.
Note 5: Load regulation is measured at a point 1/8" below the base of the
package with Kelvin contacts.
Note 6: Shunt regulation is measured with the input floating. This
parameter is also guaranteed with the input connected (VIN – VOUT) > 1V,
0mA ≤ ISINK ≤ 10mA. Shunt and sink current flow into the output.
Note 7: Thermal regulation is caused by die temperature gradients created
by load current or input voltage changes. This effect must be added to
normal line or load regulation.
Note 8: Minimum shunt current is measured with shunt voltage held
20mV below the value measured at 1mA shunt current.
Note 9: Minimum input/output voltage is measured by holding input
voltage 0.5V above the nominal output voltage, while measuring
VIN – VOUT.
Note 10: RMS noise is measured with a single pole highpass filter at 10Hz
and a 2-pole lowpass filter at 1kHz. The resulting output is full-wave
rectified and then integrated for a fixed period, making the final reading an
average as opposed to RMS. A correction factor of 1.1 is used to convert
from average to RMS, and a second correction of 0.88 is used to correct
the nonideal bandpass of the filters.
Note 11: If the part is stored outside of the specified temperature range,
the output may shift due to hysteresis.
ELECTRICAL C
C
HARA TERISTICS
The
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 15V, IOUT = 0 unless otherwise noted.


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