LYT7503-7504
LYTSwitch-7 Family
Phase-Cut Dimmable Single-Stage LED Driver IC
with Combined PFC and Constant Current Output
for Buck Topology
Product Highlights
Single-Stage PFC + Accurate CC Output
±3% CC regulation in single line input voltage applications
Power factor >0.9
High efficiency >85%
Robust 725 V MOSFET for increased line voltage surge resistance
Critical Conduction Mode (CrM) buck
Low EMI
Excellent line noise and transient rejection
LYTSwitch-7
BP
S
Dimming Highlights
Fast turn-on ( ±2000 V on all pins
Machine Model ESD
JESD22-A115CA
> ±200 V on all pins
Charged Device Model ESD
JESD22-C101
> ±500 V on all pins
> ±100 mA or > 1.5 × V(max) on all pins
Part Ordering Information
• LYTSwitch-7 Product Family
• Series Number
• Package Identifier
D
SO-8
• Tape & Reel and Other Options
Blank
LYT 7504 D - TL
TL
Standard Configuration of 100 pcs.
Tape & Reel, 2500 pcs min/mult.
10
Rev. C 07/16
www.power.com
LYT7503-7504
Notes
11
www.power.com
Rev. C 07/16
Revision Notes
Date
A
Code S.
07/16
B
Code A.
07/16
C
Added Application Example section.
07/16
For the latest updates, visit our website: www.power.com
Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations
does not assume any liability arising from the use of any device or circuit described herein. POWER INTEGRATIONS MAKES NO WARRANTY
HEREIN AND SPECIFICALLY DISCLAIMS ALL WARRANTIES INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS.
Patent Information
The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one
or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of
Power Integrations patents may be found at www.power.com. Power Integrations grants its customers a license under certain patent rights as set
forth at http://www.power.com/ip.htm.
Life Support Policy
POWER INTEGRATIONS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS
WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF POWER INTEGRATIONS. As used herein:
1. A Life support device or system is one which, (i) is intended for surgical implant into the body, or (ii) supports or sustains life, and (iii) whose
failure to perform, when properly used in accordance with instructions for use, can be reasonably expected to result in significant injury or
death to the user.
2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or system, or to affect its safety or effectiveness.
The PI logo, TOPSwitch, TinySwitch, SENZero, SCALE-iDriver, Qspeed, PeakSwitch, LYTSwitch, LinkZero, LinkSwitch, InnoSwitch, HiperTFS,
HiperPFS, HiperLCS, DPA-Switch, CAPZero, Clampless, EcoSmart, E-Shield, Filterfuse, FluxLink, StakFET, PI Expert and PI FACTS are trademarks of
Power Integrations, Inc. Other trademarks are property of their respective companies. ©2016, Power Integrations, Inc.
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