AP1624 Datasheet PDF

Anachip AP1624

The AP1624 is multi-functional step-up DC/DC controllers. With a 300KHz switching frequency, the size of the external components can be reduced. Control switches from PFM to PWM during light loads with the AP1624（PFM/PWM switchable）and the series is highly efficient from light loads to large output currents.

Part No.	AP1624
Datasheet	AP1624 Download
Manufacturer	Anachip
Description	PWM/PFM Dual Mode Step-up DC/DC Controller
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FEATURES

- Input Voltage Range: 0.9~6V - PWM/PFM Switching Control - High Efficiency: 90% - Oscillator Frequency: 300kHz（±15%） - Stand-by Current: ISTB=3µA.（Typ.） - Pb-Free Package: SOT23-5

APPLICATIONS

- Electronic Information Organizers - Palmtops - Cellular and portable phones - Portable Audio Systems - Various Multi-function Power Supplies General Descriptions Large output current is possible using an externally connected N channel MOSFET, coil, and diode. Output voltage （VOUT）is programmable with 1.23V of standard voltage supply internal, and using externally connected components, output voltage （FB） can be set up at will. During stand-by time （CE pin “Low”）, current consumption is reduced to 3µA. Pin Assignment Pin Descriptions (TOP VIEW) EXT GND 54 123 FB VCC CE SOT23-5 Pin Pin No. Name Function 1 FB Feedback pin 2 VCC IC Power Supply pin Chip Enable: 3 CE H: Enable L: Disable 4 GND GND pin 5 EXT External N-MOSFET Connection This datasheet contains new product information.