ACE150X Datasheet, PDF (4/13 Pages) ACE Technology Co., LTD. – 150KHz,2A, PWM Step-Down DC/DC Converter

ACE150X
Technology 150KHz,2A ,PWM Step-Down DC/DC Converter
Electrical Characteristics
TA=25℃, VIN=12V for 3.3V,5V, and Adjustable version and VIN=18V for the 12V version, Io = 0.5A, unless Otherwise
specified.
Parameter
Output
Voltage
ACE1501/2-3.3
Efficiency
Output
Voltage
ACE1501/2-5.0
Efficiency
Output
Voltage
ACE1501/2-1.2
Efficiency
Feedback
Voltage
ACE1501/2-ADJ
Efficiency
Symbol
VOUT
η
VOUT
η
VOUT
η
VFB
η
Feedback bias Current
IFB
Oscillator Frequency
Oscillator Frequency OF Short
Circuit Protect
FOSC
FSCP
Conditions
5.5V<VIN<22V, 0.2A<ILOAD<2A
VIN=12V,ILOAD=2A
8V< VIN<22V , 0.2A<ILOAD<2A
VIN=12V,ILOAD=2A
15V<VIN<22V , 0.2A<ILOAD<2A
VIN=16V,ILOAD=2A
5V<VIN<22V, 0.2A<ILOAD<2A
VIN=12V,ILOAD=2A
VFB = 1.3V
(Adjustable Only)
T_J=25 ℃
When current limit occurred and
VFB<0.5V, TA=25℃
Min. Typ. Max. Unit
3.168 3.3 3.432 V
-
75
-
%
4.800 5.0 5.200 V
-
80
-
%
11.52 12 12.48 V
-
89
-
%
1.193 1.230 1.267 V
-
74
-
%
- -10 -50 nA
127 150 173 KHz
5
15 25 KHz
Saturation Voltage
Io = 2A, No outside circuit and
VSAT
VFB=0V force driver on
-
1.4 1.6 V
Max. Duty Cycle ( ON)
DC
Min. Duty Cycle ( OFF)
DC
VFB = 0V force driver on
VFB = 12V force driver off
-
100
-
%
-
0
-
%
Current Limit
Peak current, No outside circuit and
ILIMIT
3.6 4.5 5.5 A
VFB= 0V force driver on
Output Leakage Current
Quiescent Current
Standby Quiescent Current
ON/OFF Pin Logic Input
Threshold Voltage
Output Leakage Current No outside
circuit VFB=12V force driver off,
-
ILEAK
VOUT=0V
- -200
µA
VIN=22V, VOUT=-1V
-5
-
30
IQ
ISTBY
VFB = 12V force driver off
ON/OFF Pin=5V,VIN=22V
-
5
10 mA
-
70 156 µA
VIL
Low(Regulator(ON)
-
0.6
1.3
V
VIH
High(Regulator(OFF)
2.0
-
VIL
ON/OFF Pin Logic Input Current
VIH
VLOGIC=2.5V(OFF)
VLOGIC=0.5V(ON)
-0.01
µA
-0.1 -1
VER 1.2 4