Power Integrations LNK623DG-TL
- Part No.:
- LNK623DG-TL
- Manufacturer:
- Power Integrations
- Category:
- AC DC Converters, Offline Switches
- Package:
- 8-SOIC (0.154", 3.90mm Width), 7 Leads
- Datasheet:
-
LNK623DG-TL.pdf
- Description:
- IC OFFLINE SWITCH FLYBACK 8SO
- Quantity:
-
Unit Price:$0
Ext Price:$0
- Payment:
-
- Shipping:
-
LNK623DG-TL Information
- Specifications
- Product Details
- Comparison
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Power Integrations
- Series:
- LinkSwitch®-CV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width), 7 Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Isolation:
- Isolated
- Internal Switch(s):
- Yes
- Voltage - Breakdown:
- 725V
- Topology:
- Flyback
- Voltage - Start Up:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Duty Cycle:
- 54%
- Frequency - Switching:
- 100kHz
- Power (Watts):
- 9 W
- Fault Protection:
- Current Limiting, Open Loop, Over Temperature, Short Circuit
- Control Features:
- -
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SO-8C
- Mounting Type:
- Surface Mount
- Datasheet:
-
LNK623DG-TL.pdf
LNK623DG-TL – Power Integrations LinkSwitch-CV Energy-Efficient CV Offline Switcher IC
Quick Answer The LNK623DG-TL is a highly integrated offline switching IC from Power Integrations' LinkSwitch-CV family. It combines a 700V power MOSFET with On/Off control for accurate constant voltage (CV) output regulation without requiring an optocoupler or secondary feedback circuitry. Capable of delivering up to 9W (open frame, 230 VAC) / 6W (enclosed), it is ideal for compact, cost-effective chargers, adapters, and LED drivers in a SO-8C package.
Current Stock at ICMASS: Strong inventory available for immediate worldwide delivery.
Key Specifications
| Parameter | Value | Details |
|---|---|---|
| Manufacturer | Power Integrations | LinkSwitch-CV Family |
| Part Number | LNK623DG-TL | CV Offline Switcher |
| Package | SO-8C | 8-Pin Surface Mount (Tape & Reel) |
| Input Voltage Range | 85 – 265 VAC | Universal Input |
| Output Power (Open Frame) | Up to 9 W | 230 VAC |
| Output Power (Enclosed) | Up to 6 W | Typical adapter |
| Breakdown Voltage | 700 V | Integrated MOSFET |
| Switching Frequency | 100 kHz (typical) | Jittered |
| Protection Features | Output Short Circuit, Open Loop, Over Temperature, Auto-Restart | Built-in |
[Download Official LinkSwitch-CV Datasheet PDF]
Why Choose LNK623DG-TL?
- Accurate primary-side CV regulation without optocoupler
- Integrated 700V MOSFET for high reliability
- Very few external components required
- Excellent line and load regulation
- Low no-load consumption for high efficiency
- Auto-restart protection for output faults
- Pb-free, RoHS compliant, and halogen-free
- Cost-effective solution for 6-9W power supplies
Typical Applications
- Smart phone / tablet chargers (low to medium power)
- USB chargers and adapters
- LED drivers and LED lighting
- Industrial control power supplies
- Battery chargers
- AC-DC adapters (5V/1A ~ 9V/0.7A class)
- Consumer electronics power modules
- IoT and smart home devices
LNK623DG-TL Alternatives & Cross Reference Popular Alternatives:
- LNK624DG-TL (higher power)
- LNK632DG-TL / LNK604DG (lower power)
- LNK625DG / LNK626DG (higher power in CV family)
- TNY series (TinySwitch) or LinkSwitch-II
Comparison Table:
| Model | Max Output Power (Open Frame, 230VAC) | MOSFET Voltage | Family | Package | Best For |
|---|---|---|---|---|---|
| LNK623DG-TL | 9 W | 700 V | LinkSwitch-CV | SO-8C | 6-9W CV precision |
| LNK624DG-TL | 11 W | 700 V | LinkSwitch-II | SO-8C | Higher power |
| LNK632DG-TL | 3.1 W | 700 V | LinkSwitch-II | SO-8C | Lower power |
| LNK625DG | 13 W | 700 V | LinkSwitch-CV | SO-8C | Higher power |
Purchasing Information at ICMASS
- Stock Status: Strong inventory available
- MOQ: 100 pieces (samples welcome)
- Lead Time: 1-3 days for stock orders
- Shipping: Fast global delivery (DHL, UPS, FedEx)
- Quality Guarantee: 100% genuine Power Integrations components
Get Competitive Quote – Contact us for bulk pricing and technical support.
Frequently Asked Questions (FAQ)
Q1: What is the LNK623DG-TL mainly used for? A: It is an offline CV flyback switcher IC designed for medium low-power AC-DC adapters and chargers up to 9W.
Q2: What is the maximum output power? A: Up to 9W in open frame (typically 6W in enclosed adapters) at 230 VAC.
Q3: Does it require an optocoupler? A: No, it achieves precise CV regulation without optocoupler or secondary feedback.
Q4: What package does the LNK623DG-TL use? A: SO-8C (DG) surface mount package, supplied in Tape & Reel.
Q5: What is the integrated MOSFET voltage rating? A: 700 V.
Q6: Is it suitable for universal input? A: Yes, it supports 85-265 VAC universal input.
Q7: What protection features does it include? A: Output short circuit, open loop, over temperature with auto-restart.
Q8: Do you have real stock of LNK623DG-TL? A: Yes, we maintain good inventory levels for fast delivery.
Q9: What is the typical no-load power consumption? A: Very low, meeting stringent standby power regulations.
Q10: Can you provide reference designs or layout recommendations? A: Yes, we supply official Power Integrations datasheet, reference design kits (RDK), and PI Expert design software support.
Q11: Do you offer volume pricing? A: Yes. Competitive tiered pricing is available for quantities from 1K to 100K+.
Q12: How does LNK623DG compare to LNK624DG? A: LNK623DG is rated for lower maximum power (9W) while LNK624DG supports up to 11W in the similar LinkSwitch family.
Related Products
- LNK62xDG LinkSwitch-CV / LinkSwitch-II Family
- LNK63x Series (Lower Power)
- Other Power Integrations Offline Switchers
- TinySwitch and TOPSwitch Families
| Image |
|
|
| Part Number | LNK623DG-TL | LNK623DG |
| Manufacturer | Power Integrations | Power Integrations |
| Series | LinkSwitch®-CV | LinkSwitch®-CV |
| Package/Case | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads |
| Packaging | Tape & Reel (TR) | Tube |
| Product Status | Active | Discontinued at Digi-Key |
| Output Isolation | Isolated | Isolated |
| Internal Switch(s) | Yes | Yes |
| Voltage - Breakdown | 725V | 725V |
| Topology | Flyback | Flyback |
| Voltage - Start Up | - | - |
| Voltage - Supply (Vcc/Vdd) | - | - |
| Duty Cycle | 54% | 54% |
| Frequency - Switching | 100kHz | 100kHz |
| Power (Watts) | 9 W | 9 W |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Short Circuit | Current Limiting, Open Loop, Over Temperature, Short Circuit |
| Control Features | - | - |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Grade | - | - |
| Qualification | - | - |
| Supplier Device Package | SO-8C | SO-8C |
| Mounting Type | Surface Mount | Surface Mount |
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