Hangzhou Silan Microelectronics
SDH8302STR50kHz~68kHz 0.65W 650V 10V~25V SOP-8 AC DC Converters, Offline Switchers
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FMDatasheet (PDF)
FM2542S
Converter Offline Flyback Topology 72kHz SOP-8
SOP-8ROHS CompliantActive
Low-power primary-side feedback switching power supply chip
- Manufacturer
- FM
- Manufacturer part #
- FM2542S
- Store part #
- C2931990
- Package / case
- SOP-8
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
3,575 in stock
#C2931990
Stock & price checked 17 h ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹19.29 | ₹96.45 |
| 50+ | ₹16.87 | ₹843.50 |
| 150+ | ₹15.84 | ₹2,376.00 |
| 500+ | ₹13.85 | ₹6,925.00 |
| 2,500+ | ₹13.27 | ₹33,175.00 |
| 4,000+ | ₹12.93 | ₹51,720.00 |
5 × ₹19.29
₹96.45
excl. GST
₹113.81 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 4,000 per reel
FM2542S
₹96.45 for 5 + GST
Specifications
- Operating Temperature
- -40℃~+150℃
- Output Current
- 1.7A
- Frequency - Switching
- 72kHz
- Pd - Power Dissipation
- 0.45W
- Voltage - Breakdown
- 650V
- Topology
- Flyback
- Features
- Constant Current Mode (CC);Constant Voltage (CV);Over Voltage Protection;Short Circuit Protection;Overtemperature protection (OTP);Over Current Protection;Under Voltage Protection
- Feedback System
- Primary-side feedback
- Working Mode
- PFM Modulation;PWM Modulation
Packaging & compliance
- RoHS
- ROHS Compliant
- Lifecycle
- Active
- Moisture sensitivity
- MSL 3 (168 hours)
- Packaging
- Tape & Reel (TR)
- Standard pack
- 4,000 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.144 g
Overview
FM25XX is a low-power Primary-Side Regulation (PSR) switching power supply IC with an integrated high-power MOSFET, designed for isolated high-efficiency low-power portable device charger applications. It employs a unique PSR control technique with CC/CV functionality, along with a proprietary PFM+PWM scheme to reduce the IC's own power consumption under light load for high-efficiency operation. Output cable drop compensation is incorporated to ensure sufficient output power at high current. Additional features include over-temperature protection, VCC under-voltage protection, VCC over-voltage protection, and output short-circuit protection. The compact DIP/SOP package facilitates system design and PCB layout.
Applications
- Chargers and adapters for portable devices such as mobile phones
- LED driver power supplies
- Auxiliary power supplies
Key features
- Integrated high-power MOSFET
- High-precision constant voltage and constant current control
- PFM+PWM mode
- Standby power consumption < 75mW
- No audio noise
- Output short-circuit protection
- VCC overvoltage and clamp protection
- VCC undervoltage protection
- Over-temperature protection
- Primary-side feedback with minimal external components
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