Ap3036b – Diodes AP3036B User Manual
Page 4

AP3036B
Document number: DS37004 Rev.
1 - 2
4 of 11
March 2014
© Diodes Incorporated
AP3036B
A Product Line of
Diodes Incorporated
N
E
W
P
R
O
D
U
C
T
Electrical Characteristics
(@V
IN
= 3V, V
CTRL
= 3V, T
A
= +25°C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V
IN
(Min)
Minimum Operating Voltage
–
2.5
–
–
V
V
IN
(Max)
Maximum Operating Voltage
–
–
–
16
V
FB
Feedback Voltage
I
OUT
= 20mA, 4 LEDs
188
200
212
mV
I
FB
FB Pin Bias Current
–
–
35
100
nA
I
Q
Quiescent Current
V
FB
= V
IN
, No Switching
1.6
3.1
3.9
mA
I
SHDN
Shutdown Quiescent Current
V
CTRL
= 0V
–
45
75
µA
f
Switching Frequency
–
–
1.0
–
MHz
D
MAX
Maximum Duty Cycle
–
90
93
–
%
I
LIMIT
Switch Current Limit (Note 6)
D = 40% or 80%
–
550
–
mA
V
CESAT
Switch V
CE
Saturation Voltage
I
SW
= 250mA
–
360
–
mV
–
Switch Leakage Current
V
SW
= 5V
–
0.01
5
µA
V
CTRL
CTRL Pin Voltage
High
1.5
–
–
V
Low
–
–
0.4
I
CTRL
CTRL Pin Bias Current
–
–
100
–
µA
V
OV
OVP Voltage
–
–
30
–
V
V
DROP
Schottky Forward Drop
I
D
= 150mA
–
0.7
–
V
–
Schottky Leakage Current
V
R
(Reverse Voltage) = 23V
–
0.1
4
µA
V
R
(Reverse Voltage) = 27V
–
–
150
t
Soft Start Time
–
–
100
–
µs
θ
JC
Thermal Resistance
(Junction to Case)
SOT26
–
60
–
C/W
Note 6: The switch current limit is related to duty cycle. Please refer to Figure LED Current vs. Duty (PWM Frequency = 0.5kHz).