Diodes AP4320 - Manual (Page 5)

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
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