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ACE705 - Step-up DC/DC Controller

General Description

The ACE705 series are CMOS-based PFM step-up DC-DC Controller with low supply current and high output voltage accuracy.

Quiescent current drawn from power source is as low as 6uA.

It is capable of delivering 500mA output current at 4.0V output with 2V input Voltage.

Key Features

  • make ACE705 series be suitable for the portable devices, which are supplied by a single battery to four-cell batteries. ACE705 has a drive pin (EXT) for external transistor. So it is possible to load a large output current with a power transistor which has a low saturation voltage. ACE705 integrates stable reference circuits and trimming technology, so it can afford high precision and low temperature-drift coefficient of the output voltage. ACE705 is available in SOT-23-3 and SOT-23-5 packages w.

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Datasheet Details

Part number ACE705
Manufacturer ACE Technology
File Size 417.74 KB
Description Step-up DC/DC Controller
Datasheet download datasheet ACE705 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ACE705 High efficiency, Low supply current, step-up DC/DC Controller Description The ACE705 series are CMOS-based PFM step-up DC-DC Controller with low supply current and high output voltage accuracy. Quiescent current drawn from power source is as low as 6uA. It is capable of delivering 500mA output current at 4.0V output with 2V input Voltage. Only four external components are necessary: An inductor, a Schottky diode, an output filter capacitor and a NMOSFET or a NPN transistor All of these features make ACE705 series be suitable for the portable devices, which are supplied by a single battery to four-cell batteries. ACE705 has a drive pin (EXT) for external transistor. So it is possible to load a large output current with a power transistor which has a low saturation voltage.