Diodes AP3033 - 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).