Datasheet

LT6654
8
6654fa
TYPICAL PERFORMANCE CHARACTERISTICS
5V Load Regulation (Sourcing) 5V Load Regulation (Sinking) 5V Output Noise 0.1Hz to 10Hz
5V Minimum V
IN
to V
OUT
Differential (Sourcing)
5V Minimum V
IN
to V
OUT
Differential (Sinking)
5V Output Voltage Noise
Spectrum
5V Output Voltage Temperature
Drift 5V Turn-On Characteristics
5V Output Impedance
vs Frequency
TEMPERATURE (°C)
–60 0 80604020–40 –20 120100
4.993
4.994
4.995
4.996
4.998
4.997
5.002
REFERENCE VOLTAGE (V)
5.003
5.000
4.999
5.001
6654 G28
140
THREE TYPICAL PARTS
50µs/DIV
GND
GND
V
OUT
2V/DIV
V
IN
2V/DIV
6654 G29
C
LOAD
= 1µF
OUTPUT CURRENT (mA)
0.1 1
–20
10
0
OUTPUT VOLTAGE CHANGE (ppm)
50
40
30
20
6654 G31
10
–10
125°C
–40°C
25°C
–55°C
OUTPUT CURRENT (mA)
0.1 1
0
60
40
OUTPUT VOLTAGE CHANGE (ppm)
220
120
100
80
140
200
180
160
6654 G32
10
20
–55°C
25°C
–40°C
125°C
OUTPUT NOISE (4µV/DIV)
TIME (1s/DIV)
6654 G33
109876543210
INPUT-OUTPUT VOLTAGE (mV)
0 50 100 150 200 250 300 350
0.1
OUTPUT CURRENT (mA)
1
10
6654 G34
400
125°C
–40°C
–55°C
25°C
INPUT-OUTPUT VOLTAGE (mV)
–300 –250 –200 –150 –100 –50 0 50
0.1
OUTPUT CURRENT (mA)
1
10
6654 G35
100
25°C
–55°C
–40°C
125°C
FREQUENCY (kHz)
0.01 0.1 1 10
0
50
100
150
250
300
350
NOISE VOLTAGE (nV√Hz)
200
450
500
550
400
600
6654 G36
100
I
O
= 5mA
I
O
= 0µA
FREQUENCY (kHz)
0.1 1 10 100
0.01
0.1
1
10
OUTPUT IMPEDANCE (Ω)
100
6654 G30
1000
C
L
= 10µF
C
L
= 1µF
The characteristic curves are similar across the
LT6654 family. Curves from the LT6654-1.25, LT6654-2.5 and the LT6654-5 represent the full range of typical performance of all
voltage options. Characteristic curves for other output voltages fall between these curves and can be estimated based on their output.