General description

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

directly from the rectified universal AC mains. It is implemented in the high voltage Easy

High Voltage Silicon-On-Insulator (EZ-HV SOI) process, combined with a low voltage

Bipolar Complementary Metal Oxide Semiconductor (BiCMOS) process.

The device includes a high voltage power switch and a start-up circuit that operates

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.

Applications below 15 W are more suited to the SSL152x family of mains LED drivers.

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.

Features and benefits

- Integrated power switch: 6.5 Ω and 650 V

- Operates from universal AC mains supplies, 80 V to 276 V

- Adjustable frequency for flexible design

- RC oscillator for load insensitive regulation loop constant

- Valley switching for minimum switch-on loss

- Adjustable overcurrent protection

- Undervoltage protection

- Temperature protection

- Short-circuit winding protection

- Safe restart mode for system fault conditions

- Simple application with both primary and secondary (opto) feedback

- 16-pin DIP package

SSL1623PH屬于集成電路（IC） > LED 驅(qū)動器。恩智浦半導(dǎo)體公司制造生產(chǎn)的SSL1623PHLED 驅(qū)動器器件屬于 LED 驅(qū)動器電源管理集成電路 (PMIC) 系列，可通過標(biāo)稱固定電壓的電源為負(fù)載（通常為發(fā)光二極管）提供電流，并且電流可控。它與用于電壓調(diào)節(jié)的類似產(chǎn)品的主要區(qū)別在于，這類器件提供較低的反饋電壓（以提高系統(tǒng)能效），而且通?？蓪ζ骷ぷ鼽c進行外部控制，可在照明應(yīng)用中用于實現(xiàn)調(diào)光功能。