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SSL4101T

Silergy
Part Number SSL4101T
Manufacturer Silergy
Description GreenChip III+ SMPS controller
Published May 25, 2020
Detailed Description SSL4101T GreenChip III+ SMPS control IC Rev. 1 — 21 April 2011 Product data sheet 1. General description The GreenChip...
Datasheet PDF File SSL4101T PDF File

SSL4101T
SSL4101T

Overview
SSL4101T GreenChip III+ SMPS control IC Rev.
1 — 21 April 2011 Product data sheet 1.
General description The GreenChip III+ is the third generation of green Switched Mode Power Supply (SMPS) controller ICs.
The SSL4101T combines a controller for Power Factor Correction (PFC) and a flyback controller.
Its high level of integration allows the design of a cost-effective LED lighting application power supply with a very low number of external components.
The special built-in green functions provide high efficiency at all power levels.
This applies to quasi-resonant operation at high power levels, quasi-resonant operation with valley skipping, as well as to reduced frequency operation at lower power levels.
At low power levels, the PFC switches off to maintain high efficiency.
During low power conditions, the flyback controller switches to frequency reduction mode and limits the peak current to 25 % of its maximum value.
This will ensure high efficiency at low power and good standby power performance while minimizing audible noise from the transformer.
The SSL4101T is a MultiChip Module, (MCM), containing two chips.
The proprietary high voltage BCD800 process which makes direct start-up possible from the rectified universal mains voltage in an effective and green way.
The second low voltage SiIlicon On Insulator (SIO) is used for accurate, high speed protection functions and control.
The SSL4101T enables extremely efficient and reliable LED lighting application power supplies with power requirements from 10 W to 300 W, to be designed easily and with a minimum number of external components.
The new SSL4101T allows a typical 150 W LED lighting application power supply (universal input, 48 V (DC) output, TEA1761T on the secondary side for Synchronous Rectification) to achieve the following performances at full load: • 120 V (AC): 92 % efficiency, 0.
998 PF, 5.
8 % THD, < 190 mW standby power • 277 V (AC): 94 % efficiency, 0.
978 PF, 9 % THD, < 350 mW standby power 1.
1 Indust...


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