Ap3513e – Diodes AP3513E User Manual
Page 4
AP3513E
Document number: DS36692 Rev.
2 - 2
4 of 11
January 2014
© Diodes Incorporated
AP3513E
A Product Line of
Diodes Incorporated
N
E
W
P
R
O
D
U
C
T
Electrical Characteristics
(V
IN
= V
EN
= 12V, V
OUT
= 3.3V, T
A
= +25ºC, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
SUPPLY VOLTAGE (IN PIN)
V
IN
Input Voltage
–
4.5
–
18
V
I
Q
Quiescent Current
V
FB
= 1V, V
EN
= 3.3V
–
1.2
1.4
mA
I
SHDN
Shutdown Supply Current
V
EN
= 0V
–
0.1
1.0
µA
UNDER VOLTAGE LOCKOUT
V
UVLO
Input UVLO Threshold
V
IN
Rising
3.65
4.0
4.25
V
V
HYS
Input UVLO Hysteresis
–
–
0.2
–
V
ENABLE (EN PIN)
–
EN Shutdown Threshold Voltage
–
1.1
1.5
2
V
–
EN Shutdown Threshold Voltage Hystere-
sis (Note 5)
–
–
350
–
mV
–
EN Lockout Threshold Voltage
–
2.2
2.5
2.7
V
–
EN Lockout Hysteresis
–
–
210
–
mV
VOLTAGE REFERENCE (FB PIN)
V
FB
Feedback Voltage
–
0.907
0.925
0.943
V
V
FBOV
Feedback Over Voltage Threshold
–
–
1.1
–
V
I
FB
Feedback Bias Current
V
FB
= 1V
-0.1
–
0.1
µA
MOSFET
R
DSONH
High-side Switch On-resistance (Note 6)
I
SW
= 0.2A&0.7A
–
100
–
mΩ
R
DSONL
Low-side Switch On-resistance (Note 6)
I
SW
= -0.2A&-0.7A
–
100
–
mΩ
CURRENT LIMIT
I
LEAKH
High-side Switch Leakage Current
V
IN
= 18V, V
EN
= 0V, V
SW
= 0V
–
0.1
10
μA
I
LIMH
High-side Switch Current Limit
–
4.3
5.6
–
A
I
LIML
Low-side Switch Current Limit
From drain to source
–
50
–
mA
SWITCHING REGULATOR
f
OSC1
Oscillator Frequency
–
410
500
590
kHz
f
OSC2
Short Circuit Oscillator Frequency
–
–
180
–
kHz
D
MAX
Max. Duty Cycle
V
FB
= 0.85V
–
90
–
%
D
MIN
Min. Duty Cycle
V
FB
= 1V
–
–
0
%