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ACE701454BM+ Datasheet(PDF) 1 Page - ACE Technology Co., LTD. |
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ACE701454BM+ Datasheet(HTML) 1 Page - ACE Technology Co., LTD. |
1 / 13 page ACE701 Technology PFM STEP-UP DC/DC Converter with High Efficiency and Low Noise VER 1.2 1 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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