Diodes AP3012 - Manual (Page 6)

1.5MHz STEP-UP DC-DC CONVERTER AP3012
6
May 2010 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
Data Sheet
(V
IN
=3V, V
SHDN
=3V , T
A
=25 o C, unless otherwise specified.)
Parameter Symbol Conditions Min Typ Max Unit
Minimum Operating Volt-
age 2.6 V
Maximum Operating Volt-
age 16 V
Feedback Voltage V
FB
V
IN
=5V, V
OUT
=24V, I
OUT
=30mA 1.17 1.25 1.33 V
FB Pin Bias Current V
FB
=1.25V 10 45 100 nA
Supply Current I
CC
V
SHDN
=V
FB
=V
IN
, No switching 2.5 3.5 mA
Supply Current I
Q
V
SHDN
=0V, V
FB
=0V 0.1 1.0 µA
Switching Frequency f 1.1 1.5 1.9 MHz
Maximum Duty Cycle D
MAX
85 90 %
Switching Current Limit Duty Cycle=80% 500 mA
Switch VCESAT V
CESAT
I
SW
=250mA 300 mV
Switch Leakage Current V
SW
=5V 0.01 5 µA
SHDN Voltage High (ON) V
TH
1.5
V
SHDN Voltage Low (OFF) V
TL
0.4
SHDN Pin Bias Current 55 µA
OVP Voltage Threshold V
OVP
29 V
Soft-Start Time 550 µS
Thermal Resistance
(Junction to Case) θ
JC
69.57 o
C/W
Electrical Characteristics