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ACE701425AM+ Arkusz danych(PDF) 1 Page - ACE Technology Co., LTD.

Numer części ACE701425AM+
Szczegółowy opis  PFM STEP-UP DC/DC Converter with High Efficiency and Low Noise
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Producent  ACE [ACE Technology Co., LTD.]
Strona internetowa  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE701425AM+ Arkusz danych(HTML) 1 Page - ACE Technology Co., LTD.

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ACE701
                        Technology PFM STEP-UP DC/DC Converter with High Efficiency and Low Noise
VER 1.2
Description
The ACE701 series are CMOS-based PFM step-up DC-DC Converter. The converter can start up by
supply voltage as low as 0.8V, and capable of delivering maximum 200mA output current at 3.3V output
with 1.8V input Voltage. Quiescent current drawn from power source is as low as 5.5uA. All of these
features make ACE701 series be suitable for the portable devices, which are supplied by a single battery
to four-cell batteries.
To reduce the noise caused by the switch regulator, ACE701 is well considerated in circuit design and
manufacture. So that the interferer to other circuits by the device is reduced greatly.
ACE701 integrates stable reference circuits and trimming technology, so it can afford high precision and
low temperature-drift coefficient of the output voltage.
ACE701 is available in SOT-89-3、SOT-23-3、SOT-89-5 and SOT-23-5 packages which is PB free. And
in 5-pin packages, such as SOT-23-5 and SOT-89-5, the device can be switch on or off easily by CE pin,
to minimize the standby supply current. 
Features
Deliver 200mA at 3.3V Output voltage with 1.8V input Voltage
Low start-up voltage (when the output current is 1mA)--------------------------0.8V
The converter output voltage can be adjusted from 2.5V~6.0V(In 0.1V step)
Output voltage accuracy -----------±2%
Low temperature-drift coefficient of the output voltage------------------±100ppm/℃
Only three external components are necessary: An inductor, a Schottky diode and an output filter
capacitor
High power conversion efficiency---85%
Low quiescent current drawn from power source------------------------------------- <5.5uA
Application
Power source for PDA. DSC. MP3 Player. electronic toy and wireless mouse
Power source for a single or dual-cell battery-powered equipments
Power source for LED
Absolute Maximum Ratings
Parameter
Symbol
Max
Unit
Input supply voltage
VIN
-0.3~12
V
Input voltage
VI(LX) -0.3~Vout+0.3 V
CE pin voltage
-0.3~Vout+0.3
Lx pin output current
0.7
A
Power Dissipation
SOT-89-3
SOT-23-5
SOT-23-3
0.5
0.15
0.15
W
Junction temperature
TJ
150
OC
Storage temperature
TS
- 40 to 125
OC
Operating free-air temperature
-20 ~ 80
OC


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