User guide

AP4320
Document number: DS36786 Rev. 2 - 2
5 of 11
www.diodes.com
December 2013
© Diodes Incorporated
AP4320
A Product Line of
Diodes Incorporated
Electrical Characteristics (@V
CC
=20V, -25C <T
A
<+125C, unless otherwise specified.)
Symbol
Parameters
Conditions
Min
Typ
Max
Unit
TOTAL CURRENT CONSUMPTION
I
CC
Total Supply Current Not Including the
Output Sinking Current
V
ICTRL
=V
SENSE
=0V, V
OUT
=Open
–
190
–
μA
VOLTAGE CONTROL LOOP
Gmv
Transconduction Gain (V
CTRL
). Sink
Current Only
–
1
3.5
–
mA/mV
V
REF
Voltage Control Loop Reference
T
A
=+25
o
C
2.488
2.50
2.512
V
–
2.48
–
2.52
I
IBV
Input Bias Current (V
CTRL
)
–
–
25
–
nA
CURRENT CONTROL LOOP
Gmi
Transconduction Gain (I
CTRL
). Sink
Current Only
–
1.5
7
–
mA/mV
V
SENSE
Current Control Loop Reference
AP4320A
T
A
= +25°C
29
30
31
mV
–
28
30
32
AP4320B
T
A
= +25°C
48.5
50
51.5
–
46
50
54
I
IBI
Current Out of Pin I
CTRL
at V
SENSE
AP4320A
V
ICTRL
=-30mV
–
16
–
μA
AP4320B
V
ICTRL
=-50mV
–
16
–
OUTPUT STAGE
V
OL
Low Output Voltage at 2mA
Sinking Current
–
–
30
100
mV
I
OS
Output Short Circuit Current.
Sink Current Only
V
OUT
=4V
–
30
–
mA