Ap3591, Electrical characteristics – Diodes AP3591 User Manual
Page 7
AP3591
Document number: DS36906 Rev.
1 - 2
7 of 18
March 2014
© Diodes Incorporated
AP3591
N
E
W
P
R
O
D
U
C
T
A Product Line of
Diodes Incorporated
Electrical Characteristics
(Cont. V
IN
= 12V, V
DD
= V
DDP
= 5V, V
OUT
= 1.05V, T
A
= +25
o
C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOUT AND REFERENCE VOLTAGE
V
OUT
Output Voltage
–
0.75
–
5.5
V
R
DISCHARGE
Output Discharge Resistance
V
EN
= 0V
–
20
–
Ω
V
FB
Feedback Voltage
V
DD
= 4.5V to 5.5V
0.742
0.75
0.758
V
I
FB
Feedback Bias Current
V
FB
= 0.75V
-1
–
1
µA
PROTECTION
I
OC
Current Limit Source Current
CS to GND
9
10
11
µA
–
I
OC
Temperature Coefficient
–
–
4500
–
ppm/
o
C
V
ILIM_SET
Current Limit Setting Voltage
Range
CS to GND
30
–
200
mV
V
OCL_OFFSET
Over Current Limit Comparator
Offset Voltage
V
CS
= 60mV,
V
CS-GND
-V
PGND-PHASE
-10
0
10
mV
V
ZC_OFFSET
Zero Crossing Comparator
Offset Voltage
V
PHASE
to GND, V
EN
=
5V
-10
0
10
mV
V
UCL_OFFSET
Negative Over Current Limit
Comparator Offset Voltage
EN floating, V
CS
= 60mV,
V
CS-GND
-V
PHASE-PGND
-10
0
10
mV
V
FBOV
/V
FB
Feedback Over Voltage
Threshold
–
120
125
130
%
t
FBOV_D
Feedback Over Voltage Delay
Time
–
–
33
–
µs
V
FBUV
/V
FB
Feedback Under Voltage
Threshold
–
65
70
75
%
t
FBUV_D
Feedback Under Voltage
Protection Delay Time
–
–
28
–
µs
t
FBUV_EN_D
Feedback Under Voltage
Protection Enable Delay Time
–
1.3
2
3.1
ms
V
UVLO
V
DD
Under Voltage Lock
Threshold
V
DD
Rising
3.7
3.9
4.1
V
V
HYS
V
DD
Under Voltage Lock
Hysteresis
–
–
300
–
mV
T
OTSD
Thermal Shutdown
–
–
+160
–
o
C
T
HYS
Thermal Shutdown Hysteresis
–
–
+20
–
o
C
LOGIC THRESHOLD
V
ENH
EN Control Logic Input Voltage
Setting DEM mode
2.4
2.65
2.9
V
V
ENH-HYS
Hysteresis
–
25
–
mV
V
EN_FT
Setting PWM-only mode
1.9
1.96
2
V
V
ENL
Shutdown Threshold
0.8
1.24
1.6
V
V
ENL-HYS
Hysteresis
–
65
–
mV
I
EN_PH
EN Pull_up Current
V
EN
= 0V
–
1
–
µA