User guide

AP3595
Document number: DS36749 Rev. 1 - 2
6 of 23
www.diodes.com
January 2014
© Diodes Incorporated
AP3595
A Product Line of
Diodes Incorporated
Electrical Characteristics (Cont.) (@V
CC
=12V, T
A
=+25C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
SOFT START
I
SS
Soft Start Current
During soft start
–
22
–
A
I
SS_CC
Supply Current
After soft start end
–
200
–
A
TOTAL CURRENT SENSE
I
CSN_MAX
Maximum Sourcing Current
–
100
–
–
A
–
GM Amplifier Offset Voltage
–
-5
0
5
mV
I
CSN_OCP
Over Current Protection Threshold
–
–
60
–
A
I
DRP
/I
CSN
Droop Accuracy
–
90
100
110
%
I
PSI
/I
CSN
PSI Accuracy
–
90
100
110
%
PHASE CURRENT SENSE
–
Trans-conductance
–
–
1.0
–
mS
V
OFS
IOFS Voltage
100kfrom IOFS to VREF
–
1.5
–
V
100kfrom IOFS to GND
–
0.5
–
VID CONTROL INPUT
V
IH
Logic High Threshold Level
–
1.2
–
–
V
V
IL
Logic Low Threshold Level
–
–
–
0.4
V
R
RSET
On Resistance of RSET MOSFET
V
ID
=High
–
20
–

I
RSET
Leakage Current of RSET Pin
V
RSET
=2V, V
ID
=0V
–
–
0.1
A
GATE DRIVER
I
HG_SRC
Upper Gate Sourcing Current
V
BOOT
-V
PHASE
=6V
–
1.2
–
A
R
HG_SNK
Upper Gate Sinking Resistance
I
HG
=100mA sinking
–
1.5
3

I
LG_SRC
Lower Gate Sourcing Current
V
PCC
-V
LG
=6V
–
1.2
–
A
R
LG_SNK
Lower Gate Sinking Resistance
I
LG
=100mA sinking
–
1
2

t
DT
Dead Time
–
–
50
–
ns
PROTECTION
V
FB
-V
SS
Over Voltage Protection
–
–
300
–
mV
V
FB
-V
SS
Under Voltage Protection
–
–
-300
–
mV
–
Over Temperature Protection
–
–
+150
–
°C
–
Over Temperature Hysteresis
–
–
+20
–
°C