Hangzhou Silan Microelectronics
SDH8302STR50kHz~68kHz 0.65W 650V 10V~25V SOP-8 AC DC Converters, Offline Switchers
From
₹33.01
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UTCDatasheet (PDF)
UC3843BP-SO8-R
1A 225kHz~275kHz 300mW 7.6V~8.4V SOIC-8 AC DC Converters, Offline Switchers
SOIC-8RoHSActive
High Performance Current Mode Controllers
- Manufacturer
- UTC
- Manufacturer part #
- UC3843BP-SO8-R
- Store part #
- C75526
- Package / case
- SOIC-8
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
22,460 in stock
#C75526
Stock & price checked 6 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹23.43 | ₹117.15 |
| 50+ | ₹18.16 | ₹908.00 |
| 150+ | ₹15.92 | ₹2,388.00 |
| 500+ | ₹13.10 | ₹6,550.00 |
| 2,500+ | ₹11.84 | ₹29,600.00 |
| 5,000+ | ₹11.09 | ₹55,450.00 |
5 × ₹23.43
₹117.15
excl. GST
₹138.24 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 2,500 per reel
UC3843BP-SO8-R
₹117.15 for 5 + GST
Specifications
- Operating Temperature
- 0℃~+70℃
- Output Current
- 1A
- Frequency - Switching
- 225kHz~275kHz
- Pd - Power Dissipation
- 300mW
- Voltage - Supply
- 7.6V~8.4V
- Features
- Under-voltage lockout;Slope compensation;Under Voltage Protection;Over Current Protection
- Duty Cycle(Max)
- 96%
- Working Mode
- PWM Modulation
Packaging & compliance
- RoHS
- RoHS
- Lifecycle
- Active
- Packaging
- Tape & Reel (TR)
- Standard pack
- 2,500 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.22 g
Overview
The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UC3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. The UC3843B is tailored for lower voltage applications having UVLO thresholds of 8.4V(on) and 7.6V(off).
Key features
- Trimmed oscillator for precise frequency control
- Oscillator frequency guaranteed at 250kHz
- Current mode operation to 500kHz
- Automatic feed forward compensation
- Latching PWM for cycle-by-cycle current limiting
- Internally trimmed reference with undervoltage lockout
- High current totem pole output
- Undervoltage lockout with hysteresis
- Low startup and operating current
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