Preliminary datasheet, White led step-up converter ap3033, Electrical characteristics – Diodes AP3033 User Manual
Page 5
Preliminary Datasheet
5
Jan. 2010 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
WHITE LED STEP-UP CONVERTER AP3033
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Operating Voltage
V
IN
3.0
16
V
Quiescent Current
I
Q
V
FB
=V
IN
, no switching
4.0
5.0
6.0
mA
Shutdown Quiescent Current
I
SHDN
V
CTRL
=0V
50
µA
Feedback Voltage (Note 2)
V
FB
I
OUT
=20mA, 3 LEDs,
T
A
=-40
o
C to 85
o
C
188
200
212
mV
FB Pin Bias Current
I
FB
35
100
nA
Switching Frequency
f
0.75
1
1.3
MHz
Maximum Duty Cycle
D
MAX
90
93
%
Switch Current Limit
I
LIMIT
D=60%
1.2
1.3
A
Switch V
CE
Saturation Voltage
V
CESAT
I
SW
=0.6A
350
mV
Switch Leakage Current
V
SW
=38V 0.01
5
µA
CTRL Pin Voltage
V
CTRL
1.2
V
CTRL Pin Bias Current
I
CTRL
60
µA
OVP Voltage
V
OVP
17
V
Soft-start Time
t
SS
80
µs
Standby Time
t
STB
0.45
ms
Thermal Shutdown
T
OTSD
150
o
C
(V
IN
=5.0V, V
CTRL
=5.0V
, T
A
=25
o
C, unless otherwise specified.)
Electrical Characteristics
Note 2: The bold type specifications of full temperature range are guaranteed by design (GBD).