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Primary & Secondary Side PWM Controllers Off-Line Switcher IC PSR LinkSwitch HP
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LNK6777E Product Details
A LinkSwitch™-HP device monolithically integrates a controller and high-voltage power MOSFET into one package. It has a newly developed analogue control scheme, which enables continuous conduction mode (CCM), primary side regulated (PSR) power supplies up to 90 W without the efficiency limitation of DCM or audible noise. It uses an enhanced peak current mode PWM control scheme with multi-mode operation. The multi-mode control engine uses the error amplifier output signal voltage at the COMPENSATION pin to set the operating peak current and switching frequency to maintain the output voltage in regulation as shown in Figure 5. For COMPENSATION pin voltages lower than VC(MCM) (typ. 1.25 V) the device enters multi-cycle modulation (MCM) with a fixed peak current of 25% of the programmed current limit. Several innovative improvements have been added to the peak current mode control to allow primary side regulated CCM operation with no instability. The device meets less than 30 mW input power with no-load at high-line (LNK67xx families).
• Auto-restart limits power delivery to 3% during overload faults
• Output short-circuit protection (SCP)
• Output overload/over-current protection (OPP, OCP)
• Optional extended shutdown delay time
• Output overvoltage protection (OVP), auto-restart or latching
• Line brown-in/out protection (line UV)
• Line overvoltage (OV) shutdown extends line surge withstand
• Accurate thermal shutdown (OTP), hysteretic or latching
- External current limit selection
- Primary-side sensed output overvoltage protection
- Lost regulation protection during output overload or short-circuit
- Internal current limit over line compensation for constant overload power over line
- High-voltage bus overvoltage sense for extended line surge withstand
- High-voltage bus undervoltage sense for brown-in/out protection
- Accurate over temperature protection
- Output OVP/OCP/OTP shutdown type selection
- Cycle-by-cycle current limit control
- Regulator/shunt voltage clamp
- Hysteretic thermal shutdown
- Safe operating area protection
- Programmable shutdown delay
- Current limit setting
- Multi-mode control maximizes efficiency over full load range
- Eliminates optocoupler and all secondary control circuitry
- Accurate programmable current limit - Compensation over line limits overload power
- Frequency jittering reduces EMI filter
- Output overvoltage protection, auto-restart or latching
- Line brown-in/out protection
(Picture:Pinout / Diagram)
- Switching Frequency
- 120 kHz to 136 kHz
- Package / Case
- Mounting Style
- Through Hole
- Output Current
- 15 uA
- Output Power
- 85 W
- Supply Current
- 1.7 mA
- Off Line Switcher
LNK6777E Related Products
Ratings and Reviews (1)
- 5 / 5
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- 4 Stars 0%
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- 1 Stars 0%
Tutto perfetto! . Grazie. All right . perfect. Thank you . AAAAA+++++
Estimated Delivery Time: Jun 01 - Jun 06 days (choose Expedited at checkout).
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After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
- Q: How does Jotrin guarantee that LNK6777E is the original manufacturer or agent of POWER?
- We have a professional business development department to strictly test and verify the qualifications of POWER original manufacturers and agents. All POWER suppliers must pass the qualification review before they can publish their LNK6777E devices; we pay more attention to the channels and quality of LNK6777E products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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- You can use Jotrin's intelligent search engine, or filter by Primary & Secondary Side PWM Controllers category, or find it through Power Integrations, Inc Information page.
- Q: Are the POWER's LNK6777E price and stock displayed on the platform accurate?
- The POWER's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LNK6777E, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
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Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
- Q: What is the process for returns or replacement of LNK6777E?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the LNK6777E we delivered, we will accept the replacement or return of the LNK6777E only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LNK6777E.
(3)The LNK6777E is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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