Hangzhou Silan Microelectronics
SDH8302STR50kHz~68kHz 0.65W 650V 10V~25V SOP-8 AC DC Converters, Offline Switchers
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₹33.01
1,65,105 in stock
HGSEMIDatasheet (PDF)
UC2843BM/TR
Converter Offline 100kHz~500kHz SOP-8
SOP-8RoHSActive
Current-mode PWM controller
- Manufacturer
- HGSEMI
- Manufacturer part #
- UC2843BM/TR
- Store part #
- C19193446
- Package / case
- SOP-8
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
1,340 in stock
#C19193446
Stock & price checked 5 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹29.32 | ₹146.60 |
| 50+ | ₹22.74 | ₹1,137.00 |
| 150+ | ₹19.92 | ₹2,988.00 |
| 500+ | ₹16.42 | ₹8,210.00 |
| 2,500+ | ₹15.31 | ₹38,275.00 |
| 5,000+ | ₹14.37 | ₹71,850.00 |
5 × ₹29.32
₹146.60
excl. GST
₹172.99 incl. 18% GST
- Dispatch in 15-18 working days
- GST invoice with every order
- Standard pack: 2,500 per reel
UC2843BM/TR
₹146.60 for 5 + GST
Specifications
- Operating Temperature
- -40℃~+85℃
- Frequency - Switching
- 100kHz~500kHz
- Output Current
- 1A
- Pd - Power Dissipation
- 1W
- Voltage - Supply
- 10V~30V
- Features
- Under-voltage lockout;Slope compensation;Over Current Protection;Under Voltage Protection
- Output Voltage
- 0V~28V
- Duty Cycle(Max)
- 96%
- Working Mode
- PWM Modulation
Packaging & compliance
- RoHS
- RoHS
- Lifecycle
- Active
- Moisture sensitivity
- MSL 3 (168 hours)
- Packaging
- Tape & Reel (TR)
- Standard pack
- 2,500 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.261 g
Overview
UC2843B is a high-performance fixed-frequency current-mode controller designed for isolated or DC-DC converter applications, offering designers a cost-effective solution requiring minimal external components. The circuit incorporates an undervoltage lockout module with a startup current of less than 0.5mA. A trimmed precision reference voltage providing high accuracy is connected to the error amplifier input. Additional internal modules include logic circuitry for latched operation, current limiting, and a PWM comparator designed to drive a high-current totem-pole output. The output architecture is suitable for driving N-channel MOSFETs, with the output held low during shutdown.
Applications
- Power converters
Key features
- Optimized for isolated or DC/DC converters
- Low startup current (less than 0.5mA)
- Automatic feed-forward compensation
- Cycle-by-cycle current limiting
- Enhanced load transient response
- UVLO with hysteresis
- Double-pulse suppression
- High-current totem-pole output
- Internal trimmed bandgap reference
- Operating frequency up to 500kHz
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