AP1604 is a switching power supply chip from Anachip Corp. It adopts a 600KHz switching frequency, an input voltage range of 2.2V~5.5V, and an output voltage range that can be set by external resistors. The maximum output current can reach 800mA. AP1604 has high efficiency, low standby current, overcurrent protection and overtemperature protection.
The document describes the AP1604 series as multi-functional step-down DC/DC converters featuring built-in speed and low ON-resistance drivers. The device is capable of delivering more than 800mA output current when used with external components such as a coil, diode, and capacitor.
| Input voltage range | 2.2V~5.5V (Vout type) |
|---|---|
| Oscillator frequency | 600KHz (Typ.) |
| Internal reference voltage | 1.0V (Typ.) |
| Maximum output current | >800mA |
| Output voltage accuracy | +/-2.5% |
| Stand-by current (Typ.) | 2uA |
| Operating temperature range | -40 ~ +125 °C |
The device accepts an input voltage between 2.2V and 5.5V.
The oscillator operates at a typical frequency of 600KHz.
It is capable of delivering more than 800mA output current.