LT6657
Typical perForMance characTerisTics
The test conditions are TA = 25°C,
VIN = VOUT + 0.5V, VSHDN = 1.6V, IOUT = 0, COUT = 1µF, unless otherwise noted.
2.5V Output Voltage
Temperature Drift
2.5V Low Frequency 0.1Hz to
10Hz Noise
2.5V Output Voltage Noise
Spectrum
110
100
90
2.5008
2.5004
2.5000
2.4996
2.4992
THREE TYPICAL PARTS
C
C
C
= 1µF Cer
= 5µF Cer
= 47µF Tant
OUT
OUT
OUT
80
70
60
50
6657 G02
–50 –25
0
25 50 75 100 125 150
0.01
0.1
1
10
100
TIME (1s/DIV)
TEMPERATURE (°C)
FREQUENCY (kHz)
6657 G03
6657 G01
2.5V Integrated Noise
10Hz to 10kHz
2.5V Supply Current vs
Input Voltage
2.5V Line Regulation
100
10
1
2.0
1.5
2.5010
2.5005
2.5000
2.4995
2.4990
C
= 1µF
V
= V
PART SELF HEATING
IS INCLUDED
OUT
125°C
25°C
–40°C
SHDN
IN
1.0
0.5
125°C
25°C
–40°C
–55°C
0.0
0.1
–0.5
0.01
0.1
1
10
–40 –30 –20 –10
0
10 20 30 40
0
10
20
30
40
FREQUENCY (kHz)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
6657 G04
6657 G05
6657 G06
2.5V Minimum VIN to VOUT
Differential (Sourcing)
2.5V Load Regulation (Sourcing)
2.5V Load Regulation (Sinking)
30
20
30
20
10
MS8 PACKAGE PART SELF
HEATING IS INCLUDED
MS8 PACKAGE PART SELF
HEATING IS INCLUDED
10
10
0
0
1
–10
–20
–30
–10
–20
–30
125°C
25°C
–40°C
–55°C
125°C
25°C
–40°C
–55°C
125°C
25°C
–40°C
–55°C
0.1
0.1
1
10
0.1
1
10
0
100
200
300
400
500
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
INPUT-OUTPUT VOLTAGE (mV)
6657 G08
6657 G07
6657 G09
6657fb
5
For more information www.linear.com/LT6657
Linear Systems [ Linear Systems ]
