1.

General description

The SSL1623PH is a Switched Mode Power Supply (SMPS) controller IC that operates

directly from the rectified universal mains. It is implemented in the high voltage EZ-HV SOI

(Easy High Voltage Silicon-On-Insulator) process, combined with a low voltage BiCMOS

(Bipolar Complementary Metal Oxide Semiconductor) process.

The device includes a high voltage power switch and a circuit for start-up directly from the

rectified mains voltage. A dedicated circuit for valley switching is built in, which makes a

very efficient slim-line electronic LED driver concept possible.

The SSL1623PH can operate in LED applications with a power range of up to 25 W. The

SSL152x family would be a better choice if power below 15 W is required.

In its most basic version of application the SSL1623PH acts as a voltage source. Here no

additional secondary electronics are required. A combined voltage and current source can

be realized with minimum costs for external components. Implementation of the

SSL1623PH renders an efficient and low cost LED power supply system.

2.

Features

3.

Applications

SSL1623PH

SMPS ICs for mains LED drivers

Rev. 01 — 15 September 2008

Product data sheet