LT1790A Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1790A Datasheet PDF : 24 Pages
| |||
LT1790
2.048V ELECTRICAL CHARACTERISTICS The q denotes specifications that apply over the specified
temperature range, otherwise specifications are at TA = 25°C. CL = 1µF and VIN = 2.8V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage (Notes 3, 4)
LT1790A
2.04697 2.048 2.04902
V
– 0.05
0.05
%
LT1790B
2.04595 2.048 2.05005
V
– 0.10
0.10
%
LT1790AC
q 2.04554 2.048 2.05046
V
q –0.120
0.120
%
LT1790AI
q 2.04442 2.048 2.05158
V
q –0.175
0.175
%
LT1790BC
q 2.04237 2.048 2.05363
V
q –0.275
0.275
%
LT1790BI
q 2.03955 2.048 2.05645
V
q –0.4125
0.4125
%
Output Voltage Temperature Coefficient (Note 5)
Line Regulation
TMIN ≤ TA ≤ TMAX
LT1790A
LT1790B
2.8V ≤ VIN ≤ 18V
q
5
10
ppm/°C
q
12
25
ppm/°C
50
170
ppm/V
q
220
ppm/V
Load Regulation (Note 6)
IOUT Source = 5mA
120
200
ppm/mA
q
280
ppm/mA
IOUT Sink = 3mA
130
260
ppm/mA
q
450
ppm/mA
Dropout Voltage (Note 7)
Supply Current
VIN – VOUT, ∆VOUT = 0.1%
IOUT = 0mA
q
IOUT Source = 5mA
q
IOUT Sink = 3mA
q
No Load
q
50
100
mV
500
mV
750
mV
450
mV
35
60
µA
75
µA
Minimum Operating Current—
Negative Output (See Figure 7)
VOUT = – 2.048V, 0.1%
100
125
µA
Turn-On Time
Output Noise (Note 8)
Long-Term Drift of Output Voltage (Note 9)
Hysteresis (Note 10)
CLOAD = 1µF
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
∆T = 0°C to 70°C
∆T = – 40°C to 85°C
350
µs
22
µVP-P
41
µVRMS
50
ppm/√kHr
q
40
ppm
q
100
ppm
1790fa
4
Share Link: 