LNK33x2-7D
LinkSwitch-TNZ Family
Energy Efficient Off-line Switcher IC with Best-in-Class
Light Load Efficiency and Lossless AC Zero-Cross Detection
Product Highlights
Highest Performance and Design Flexibility
•
•
•
•
•
Lossless zero cross signal generation
Supports buck, buck-boost and flyback topologies
Enables ±3% regulation across line and load
Selectable device current limit
66 kHz operation with accurate current limit
• Allows the use of low-cost off-the-shelf inductors
• Reduces size and cost of magnetics and output capacitor
• Frequency jittering reduces EMI filter complexity
• X capacitor discharge function (LNK331x only)
Enhanced Safety and Reliability Features
•
•
•
•
•
•
Soft-start limits system component stress at start-up
Auto-restart for short-circuit and open loop faults
Output overvoltage protection (OVP)
Line input overvoltage protection (OVL)
Hysteretic over-temperature protection (OTP)
Extended creepage between DRAIN pin and all other pins improves
field reliability
• 725 V MOSFET rating for excellent surge withstand
• Nemko (EN62368-1) and CB (IEC62368-1) certifications
EcoSmart™– Extremely Energy Efficient
•
•
•
•
IC standby supply current ±100 mA or > 1.5 × VMAX on all pins
Human Body Model ESD
ANSI/ESDA/JEDEC JS-001-2014
> ±2 kV on all pins, except DRAIN pin for
LNK33x2 ±1.5 kV
Charge Device Model ESD
ANSI/ESDA/JEDEC JS-002-2014
> ±200 V on all pins
Part Ordering Information
• LinkSwitch Product Family
• TNZ Series Number
• Package Identifier
D
Plastic SO-8C
• Tape & Reel and Other Options
LNK 33x4 D - TL
TL
Tape and Reel, 2.5 k pcs for D Package.
22
Rev. D 06/21
www.power.com
LinkSwitch-TNZ
Notes
23
www.power.com
Rev. D 06/21
Revision
Notes
Date
B
Code A release.
12/20
C
Added Family part numbers and size 7 parameter updates.
03/21
C
Corrected Diode references in Feedback Diode D3 section on page 7.
05/21
D
Added EN/IEC 62368-1 certification bullet point on page 1.
06/21
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 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.
Power Integrations, the Power Integrations logo, CAPZero, ChiPhy, CHY, DPA-Switch, EcoSmart, E-Shield, eSIP, eSOP, HiperPLC, HiperPFS,
HiperTFS, InnoSwitch, Innovation in Power Conversion, InSOP, LinkSwitch, LinkZero, LYTSwitch, SENZero, TinySwitch, TOPSwitch, PI, PI Expert,
PowiGaN, SCALE, SCALE-1, SCALE-2, SCALE-3 and SCALE-iDriver, are trademarks of Power Integrations, Inc. Other trademarks are property of
their respective companies. ©2021, Power Integrations, Inc.
Power Integrations Worldwide Sales Support Locations
World Headquarters
5245 Hellyer Avenue
San Jose, CA 95138, USA
Main: +1-408-414-9200
Customer Service:
Worldwide: +1-65-635-64480
Americas: +1-408-414-9621
e-mail: usasales@power.com
China (Shanghai)
Rm 2410, Charity Plaza, No. 88
North Caoxi Road
Shanghai, PRC 200030
Phone: +86-21-6354-6323
e-mail: chinasales@power.com
Germany (AC-DC/LED Sales)
Einsteinring 24
85609 Dornach/Aschheim
Germany
Tel: +49-89-5527-39100
e-mail: eurosales@power.com
Germany (Gate Driver Sales)
HellwegForum 3
59469 Ense
Germany
Tel: +49-2938-64-39990
e-mail: igbt-driver.sales@power.com
India
#1, 14th Main Road
China (Shenzhen)
Vasanthanagar
17/F, Hivac Building, No. 2, Keji Nan Bangalore-560052 India
8th Road, Nanshan District,
Phone: +91-80-4113-8020
Shenzhen, China, 518057
e-mail: indiasales@power.com
Phone: +86-755-8672-8689
e-mail: chinasales@power.com
Italy
Via Milanese 20, 3rd. Fl.
20099 Sesto San Giovanni (MI) Italy
Phone: +39-024-550-8701
e-mail: eurosales@power.com
Japan
Yusen Shin-Yokohama 1-chome Bldg.
1-7-9, Shin-Yokohama, Kohoku-ku
Yokohama-shi,
Kanagawa 222-0033 Japan
Phone: +81-45-471-1021
e-mail: japansales@power.com
Korea
RM 602, 6FL
Korea City Air Terminal B/D, 159-6
Samsung-Dong, Kangnam-Gu,
Seoul, 135-728, Korea
Phone: +82-2-2016-6610
e-mail: koreasales@power.com
Singapore
51 Newton Road
#19-01/05 Goldhill Plaza
Singapore, 308900
Phone: +65-6358-2160
e-mail: singaporesales@power.com
Taiwan
5F, No. 318, Nei Hu Rd., Sec. 1
Nei Hu Dist.
Taipei 11493, Taiwan R.O.C.
Phone: +886-2-2659-4570
e-mail: taiwansales@power.com
UK
Building 5, Suite 21
The Westbrook Centre
Milton Road
Cambridge
CB4 1YG
Phone: +44 (0) 7823-557484
e-mail: eurosales@power.com
