SSL5101T GreenChip controller Datasheet

SSL5101T Datasheet, PDF, Equivalent


Part Number

SSL5101T

Description

GreenChip controller

Manufacture

NXP

Total Page 18 Pages
Datasheet
Download SSL5101T Datasheet


SSL5101T
SSL5101T
GreenChip controller for LED lighting
Rev. 1 — 4 June 2014
Objective data sheet
1. General description
The SSL5101T is an offline controller IC, intended to drive LEDs in general lighting
applications.
The main benefits of this IC include:
Selectable modes for high power factor or low ripple, allowing a wide LED power
range
Single stage topology for small PCB footprint
Ease of design-in
Integrated start-up JFET
Low electronic Bill Of Material (BOM)
Various converter topologies supported
The IC drives an external switch for easy power scaling. It has been designed to start up
directly from the High-Voltage (HV) supply by an internal high-voltage current source.
Flyback, buck and buck-boost circuit topologies are supported. Primary side sensing
provides accurate output current control.
The IC can operate in three switching modes at two switching frequency ranges. It offers
tradeoffs between the output current ripple, the mains current Total Harmonic Distortion
(THD) and the application size. The IC incorporates all required protection features.
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SSL5101T
NXP Semiconductors
SSL5101T
GreenChip controller for LED lighting
2. Features and benefits
LED controller IC for driving strings of LEDs or high-voltage LEDs from rectified mains
High-efficiency switch mode buck, flyback or buck-boost controller driving an external
power FET
Two maximum switching frequencies for highest efficiency or smallest application
size
Zero current switching at switch turn-on
Zero voltage or valley switching at switch turn-on
Selectable low THD or low LED current ripple modes
No binning on LED forward voltage required
LED current accuracy within ±4 % across variations in components and conditions
Built-in Protections:
UnderVoltage LockOut (UVLO)
Leading-Edge Blanking (LEB)
OverCurrent Protection (OCP)
Internal OverTemperature Protection (OTP)
Brownout protection
Output short protection
Output open protection
Mains synchronization loss protection
Low component count LED driver solution
Compatible with wall switches with built-in indication light during standby(
IC lifetime matches or surpasses LED lamp lifetime
3. Applications
Compact mains connected, LED lamps with accurate current output for single or
universal mains voltages, including 100 V (AC), 120 V (AC) and 230 V (AC). External
components determine the power level. The power level ranges from 4 W to over
25 W. Applications fit in common form factors like PAR, GU10, A19, and the candle
form factor.
4. Quick reference data
Table 1.
Symbol
VCC
fsw
Quick reference data
Parameter
supply voltage
switching frequency
Conditions
low-frequency mode
50 Hz mains
60 Hz mains
high-frequency mode
50 Hz mains
60 Hz mains
Min Typ Max Unit
8.8 -
32 V
55 60 65 kHz
66 72 78 kHz
84 91 98 kHz
101 109 117 kHz
SSL5101T
Objective data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 4 June 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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Features SSL5101T GreenChip controller for LED li ghting Rev. 1 — 4 June 2014 Objective data sheet 1. General description The SSL5101T is an offline controller IC, intended to drive LEDs in general light ing applications. The main benefits of this IC include: • Selectable modes for high power factor or low ripple, al lowing a wide LED power range • • • • • Single stage topology for small PCB footprint Ease of design-in I ntegrated start-up JFET Low electronic Bill Of Material (BOM) Various converte r topologies supported The IC drives a n external switch for easy power scalin g. It has been designed to start up dir ectly from the High-Voltage (HV) supply by an internal high-voltage current so urce. Flyback, buck and buck-boost circ uit topologies are supported. Primary s ide sensing provides accurate output cu rrent control. The IC can operate in th ree switching modes at two switching fr equency ranges. It offers tradeoffs bet ween the output current ripple, the mains current Total Harmonic Distortion (.
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