Description

The AP3103AKTR-G1 is an offline switcher and AC DC converter used in various electronic devices such as mobile phones, PDAs, LCD modules, portable devices, among others. This component is a high-efficiency charge-pump white LED driver featuring 1x, 1.5x, 2x operating modes, and it operates on power supplies from 2.7v to 5.5v.

Specifications and features

• Up to 88% Max power efficiency
• Wide input voltage range: 2.7V ~ 5.5V
• 1x, 1.5x, and 2x charge-pump modes
• Drive up to 4 white LEDs
• 120mA maximum output current through 4 channels
• Programmable switching frequency, default 1.2MHz
• Up Spread Spectrum Control with 10% frequency deviation
• 1-wire Serial Digital Interface (SDI) or PWM for dimming control
• Soft-start during power-up and mode switching
• Soft-stop during shutdown
• Short-circuit protection
• Over-voltage protection and under-voltage lockout
• Low quiescent current < 1µA
• Industry-leading low profile package
• Lead Free package: DFN3030-12
• DFN3030-12: Available in “Green” Molding Compound (No Br, Sb)
• Lead Free Finish / RoHS Compliant (Note 1)

Application Scenarios

The AP3103AKTR-G1 component is widely used in electronic devices such as mobile phones, PDAs, LCD modules, and portable devices. Its primary application is for white LED backlighting and camera flash LED lighting.

Comparison

• High efficiency
• Wide input voltage range
• Various operating modes
• Programmable switching frequency
• Low-profile package
• RoHS compliant

• Only suitable for driving up to four channels of white LEDs
• Not suitable for high output current applications