UC3843BNG | onsemi
PWM CONTROLLER UC3843BNG
Unit Price (€ / pc.)
1.0115 € *
Standard delivery time from the manufacturer is: 16 Weeks
High Performance Current Mode Controller, UC3843BNG, ON Semiconductor
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
FEATURES
- Trimmed Oscillator for Precise Frequency Control
- Oscillator Frequency Guaranteed at 250 kHz
- Current Mode Operation to 500 kHz
- Automatic Feed Forward Compensation
Technical Data
- Temperature: 0°C to 70°C
- Output current: 1 A
- Output voltage range: 4.9-5.1 VDC
Technical specifications
| Filter | Property | Value |
|---|---|---|
| max. operating temperature | 70 °C | |
| Frequency | 500 kHz | |
| Assembly | THT | |
| min. operating temperature | 0 °C | |
| Enclosure | DIP-8 |
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Logistics
| Property | Value |
|---|---|
| Country of origin | CN |
| Original Packaging | Bar with 50 pieces |
| Customs tariff number | 85423390 |
Compliance
| Property | Value |
|---|---|
| Date of RoHS guidelines | 6/8/11 |
| RoHS conform | Yes |
| SVHC free | Yes |