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ACE705225BM+ データシート(PDF) 4 Page - ACE Technology Co., LTD.

部品番号 ACE705225BM+
部品情報  High efficiency, Low supply current, step-up DC/DC Controller
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メーカー  ACE [ACE Technology Co., LTD.]
ホームページ  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE705225BM+ データシート(HTML) 4 Page - ACE Technology Co., LTD.

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ACE705
                        Technology
High efficiency, multi-funtion step-up
DC/DC Controller
VER 1.2
4
Input Current * (no
load)
Lin
Iout=0mA, Vin=Vout*0.6
20
25
uA
Quiescent current *
IDD
No external component,
Vout=Voutx1.05
6
8
uA
Chip leakage current
Istandby
VCE=0V
1
uA
CE “H: threshold
voltage
VCEH
VCE:0 2V
0.6
0.9
V
CE “L” threshold
voltage
VCEL
VCE:2 0V
0.3
0.6
V
Oscillator frequency
FOSC
Vout=Vout*0.96 Test EXT pin
frequency
300
350
400
Khz
CE ”H”
ICEH
Vout=VCE=6V
-0.5
0
0.5
uA
CE “L”
ICEL
Vout=VCE=6V
-0.5
0
0.5
uA
3.0V<=Vout<=3.9V
-21
4.0V<=Vout<=4.9V 
-35
EXT “H” output current
IEXTH
5.0V<=Vout<=6.9V 
-41
mA
3.0V<=Vout<=3.9V
23
4.0V<=Vout<=4.9V 
25
EXT “H” output current
IEXTL
5.0V<=Vout<=6.9V 
31
mA
Oscillator duty cycle
Duty
On(Vlx “L”) side
70
75
80
%
Efficiency
η
90
%
Note :
1.
Diode: Schottky type, such as: 1N5817, 1N5819, 1N5822
2.
Inductor: 27uH(R<0.5Ω)
3.
Output Capacitor: 100uF (Tantalum type)
4.
Vout pin filter capacitor: 1nF (Ceramic type)
5.
Input capacitor: 47uF
Typical Application
(1) Application with external NMOSFET
Vin
D 1N5817
Vout
L 27uH
EXT
OUT
Cin
ACE705
47uF
Cout
Rload
CE
GND
Cp
100uF Tan
OFF ON
1nF
Fig2


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