Performance characteristics, Ap4312, A product line of diodes incorporated – Diodes AP4312 User Manual
Page 6: Input bias current (v, Current out of pin i, At v, Vs. ambient temperature vs. ambient temperature
AP4312
Document number: DS36797 Rev. 1 - 2
6 of 11
January 2014
© Diodes Incorporated
AP4312
A Product Line of
Diodes Incorporated
Performance Characteristics
Voltage Control Loop Reference Current Control Loop Reference
vs. Ambient Temperature vs. Ambient Temperature
Input Bias Current (V
CTRL
) Current Out of Pin I
CTRL
at V
SENSE
vs. Ambient Temperature vs. Ambient Temperature
Transconductance of Voltage Control Loop Transconductance of Current Control Loop
Op-Amp vs. Ambient Temperature Op-Amp vs. Ambient Temperature
-20
0
20
40
60
80
100
120
1.190
1.195
1.200
1.205
1.210
1.215
1.220
1.225
1.230
V
CC
=1.7V
V
CC
=5V
V
CC
=18V
V
R
E
F
(V)
Ambient Temperature (
o
C )
-40
-20
0
20
40
60
80
100
120
140
66
67
68
69
70
71
72
73
74
V
S
E
N
S
E
(m
V)
Ambient Temperature (
o
C)
V
CC
=1.7V
V
CC
=5V
V
CC
=18V
-20
0
20
40
60
80
100
120
0
10
20
30
40
50
Ambient Temperature (
o
C )
I
IB
V
(n
A)
V
CC
=1.7V
V
CC
=5V
V
CC
=18V
-20
0
20
40
60
80
100
120
10
12
14
16
18
20
22
24
Ambient Temperature (
o
C )
I
IB
I
(
A)
V
CC
=1.7V
V
CC
=5V
V
CC
=18V
-20
0
20
40
60
80
100
120
0
1
2
3
4
5
6
7
8
Ambient Temperature (
o
C )
G
m
v
(m
A/
m
V)
V
CC
=1.7V
V
CC
=5V
V
CC
=18V
-20
0
20
40
60
80
100
120
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Ambient Temperature (
o
C )
G
m
i
(m
A/
m
V)
V
CC
=1.7V
V
CC
=5V
V
CC
=18V