LNK3604, LNK3694 & 3696
LinkSwitch-XT2 Family
Energy Efficient, Low Power Off-Line Switcher IC
With Integrated System Level Protection
Product Highlights
+
Easy to Design
• Lowest component count switcher solution
• Selectable device current limit
• Fully integrated auto-restart for short-circuit and open-loop
protection
• Optional self-biased supply
• Frequency jittering greatly reduces EMI
• Meets HV creepage requirements between DRAIN and all other pins
both on the PCB and at the package
• Pin-out simplifies PCB heat sinking
Features Superior to Linear/RCC
•
•
•
•
Output overvoltage protection (OVP)
Input overvoltage line protection (OVL)
Hysteretic over-temperature protection (OTP)
Extended creepage between DRAIN pin and all other pins improves
field reliability
• 725 V MOSFET rating series for excellent surge withstand
• 900 V MOSFET rating series for industrial design or extra safety
margin
• Extremely low component count enhances reliability
• Allows single-sided PCB and full SMD manufacturability
EcoSmart™ – Extremely Energy-Efficient
• Easily meets all global energy efficiency regulations
• No-load consumption ±2 kV on all pins except DRAIN (D) pin
> ±1.5 kV on DRAIN (D) pin
Machine Model ESD
EIA/JESD22-A115-A
> ±200 V on all pins
> ±100 mA or > 1.5 × VMAX on all pins
Part Ordering Information
• LinkSwitch Product Family
• XT2 Series Number (725 V / 900 V)
• Package Identifier
G
Plastic Surface Mount SMD-8C
P
Plastic PDIP-8C
D
Plastic SO-8C
• Tape & Reel and Other Options
LNK 3604 G - TL
TL
Tape and Reel, 1 k pcs minimum for G Package. 2.5 k pcs for D Package.
Not available for P Package.
21
www.power.com
Rev. E 09/18
Revision Notes
Date
A
Code B.
10/16
B
Code S.
11/16
C
Code A.
D
Corrected DRAIN Pin Peak Current to match Figure 17 and Corrected Note 2 in Absolute Maximum Ratings.
01/06/17
11/16
D
Corrected Notes 1 and 2 in Table 1, updated Figure 5 and Reference Designator on page 5.
01/16/17
E
Added LNK3694 and LNK3696 parts.
09/18
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,
SCALE, SCALE-1, SCALE-2, SCALE-3 and SCALE-iDriver, are trademarks of Power Integrations, Inc. Other trademarks are property of their
respective companies. ©2018, Power Integrations, Inc.
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