LT1431C Linear Technology, LT1431C Datasheet - Page 4

• Manufacturer Part Number: LT1431C
• Description: Programmable Reference
• Manufacturer: Linear Technology

LT1431
TYPICAL PERFOR
4
3
3
10
10
10
10
600
500
300
200
100
0.1
400
4
3
3
2
0
100
0
Transconductance and Phase vs
Frequency (Ref to Comp)
I
COMP
V
V
V
V
PHASE
REF
REF
REF
REF
0.5
gm
= 5V
= 4V
= 3V
= 2.53V
1k
vs V
–20
140
120
100
80
60
40
20
0
1.0
100
COMP
FREQUENCY (Hz)
Voltage Gain and Phase
vs Frequency
10k
1.5
V
COMP
vs V
1k
A
2.0
V
(V)
100k
PHASE
REF
FREQUENCY (Hz)
2.5
10k
W
1M
LT1431 • TPC13
A
LT1431 • TPC10
3.0
100k
U
10M
CE
3.5
20
0
–20
–40
–60
–80
–100
–120
–140
1M
LT1431 • TPC08
C
HARA TERISTICS
10M
1000
500
1.4
1.2
1.0
0.8
0.6
0.4
0.2
180
135
90
45
0
–45
–90
–135
–180
0
0
100
1
Dynamic Impedance vs Frequency
Noise vs Frequency
I
K
C
100mA
10
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
100
10
1k
10
10
10
10
10
10
10
10
10
10k
9
8
7
6
5
4
3
2
100
Transconductance and Phase
vs Frequency (REF to COLL)
10k
LT1431 • TPC11
LT1431 • G14
1k
gm
100k
100k
PHASE
FREQUENCY (Hz)
10k
3.0
2.5
2.0
1.5
1.0
0.5
0
–50
V
0.1Hz to 10Hz Noise
0
100k
COMP
–25
1
vs Temperature vs I
1M
LT1431 • TPC09
0
TEMPERATURE (˚C)
2
TIME (MINUTES)
25
10M
3
180
135
90
45
0
–45
–90
–135
–180
I
I
COLL
COLL
50
= 100mA
= 10mA
4
75
COLL
LT1431 • TPC12
LT1431 • TPC15
100
5
125
6