LT3050EDDB LINER [Linear Technology], LT3050EDDB Datasheet - Page 7

• Manufacturer Part Number: LT3050EDDB
• Description: 100mA, Low Noise Linear Regulator With Precision Current Limit And Diagnostic Functions
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
110
100
90
80
70
60
50
40
30
20
10
–1
–2
–3
–4
90
80
70
60
50
40
30
20
10
0
4
3
2
1
0
0
–75 –50
0.01
10
Input Ripple Rejection
Load Regulation
RMS Output Noise vs Load Current
vs C
I
C
V
V
ΔI
V
V
V
C
L
C
C
REF/BYP
OUT
IN
OUT
IN
OUT
OUT
= 100mA
L
REF/BYP
REF/BYP
= 5.8V + 50mV
= 1mA TO 100mA
= 2.2V
100
REF/BYP
= 5V
= 0.6V
= 0.6V
= 10μF
–25
= 100pF
0.1
= 1nF
= 10nF
LOAD CURRENT (mA)
0 25
TEMPERATURE (°C)
1K
FREQUENCY (Hz)
RMS
10K
50 75 100 125 150 175
C
1
RIPPLE
REF/BYP
C
100K
C
REF/BYP
REF/BYP
= 100nF
C
C
C
10
OUT
OUT
REF/BYP
1M
= 100pF
= 10μF
= 2.2μF
= 10pF
3050 G19
3050 G21
3050 G24
= 0
10M
100
0.01
100
170
160
150
140
130
120
110
100
0.1
90
80
70
60
50
40
30
20
10
10
90
80
70
60
50
40
30
20
10
0
1
–75 –50 –25 0
0
0.01
10
Ripple Rejection vs Temperature
Output Noise Spectral Density
C
RMS Output Noise vs Load Current
C
I
V
V
f
C
L
OUT
REF/BYP
REF/BYP
OUT
IN
OUT
= 100mA
= 5.8V + 0.5V
= 10Hz TO 100kHz
= 5V
= 10μF
V
V
V
V
V
V
V
V
100
OUT
0.1
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 0
= 10nF
LOAD CURRENT (mA)
TEMPERATURE (°C)
= 1.5V
FREQUENCY (Hz)
= 5V
= 3.3V
= 2.5V
= 1.8V
= 1.5V
= 1.2V
= 0.6V
V
25 50 75 100 125 150 175
OUT
P-P
V
OUT
RIPPLE AT f = 120Hz
= 1.8V
1K
1
= 2.5V
C
C
OUT
REF/BYP
C
I
10K
L
V
V
V
10
OUT
= 10μF
= 100mA
OUT
OUT
OUT
V
OUT
= 10μF
= 10nF
= 3.3V
= 1.2V
= 0.6V
3050 G19a
T
3050 G25
3050 G22
= 5V
J
= 25°C, unless otherwise noted.
100k
100
0.01
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
60
50
40
30
20
10
10
0
0
–75 –50 –25 0
1
10
0
Minimum Input Voltage
Output Noise Spectral Density
vs C
Startup Time
vs REF/BYP Capacitor
V
V
C
I
L
OUT
OUT
OUT
10 20 30 40 50 60 70 80 90 100
= 100mA
C
REF/BYP
REF/BYP
= 5V
= 0.6V
= 10μF
100
REF/BYP CAPACITOR (nF)
TEMPERATURE (°C)
= 10nF
FREQUENCY (Hz)
25 50 75 100 125 150 175
1k
C
REF/BYP
LT3050
C
REF/BYP
= 1nF
10k
I
L
= 100pF
=100mA
3050 G20
3050 G23
3050 G33
7
3050f
100k