[AP2061AEC]

MS1603-E-00

- 1 -

2014/01

1. Genaral Description

The AP2061 is a white LED driver IC for camera flash applications of portable equipment. The device

integrates a current mode synchronous boost DC-DC converter and maximum 2A current sources. The internal

boost DC-DC converter integrates a switching FET and synchronous rectifier, and supports a small size

multilayer inductor with 4MHz switching frequency. The internal current sources allow for grounded cathode

connections for easier heat dissipation and simple LED arrangement. The AP2061 includes eight protections

that are LED thermal detection, inductor current limitation, input voltage detection, over voltage protection,

under voltage lock out, device thermal protection, LED open/short protection and output-ground short

protection to avoid significant system problems. Flash current, torch current, inductor limit current and flash

on-time is programmable through I

1.56mm x 1.56mm, 0.4mm pitch), saving much space on a system board.

2. Features

VIN = 2.7V to 5.5V

Frequency= 4.0 MHz

— Support small size inductor

—

Flash LED current setting

—

Torch LED current setting

—

Flashing on-time setting

—

Current limit value setting

—

LED thermal detection voltage setting

—

Battery detection voltage setting

—

Error read support

—

LED thermal detection

—

Inductor current limit

—

Input voltage detection

—

Over voltage protection (OVP)

—

Under voltage lock out (UVLO)

—

Thermal shutdown

—

LED open/short

—

Output-ground short

Ta: -30 to 85C

16-pin CSP (1.56 x 1.56mm, 0.4mm pitch)

2.0A High-side LED Driver for Camera Flash with I

AP2061AEC