Datasheet Details
| Part number | FSDH321 |
|---|---|
| Manufacturer | Fairchild (now onsemi) |
| File Size | 957.77 KB |
| Description | (FSDH321 / FSDL321) Green Mode Fairchild Power Switch |
| Datasheet |
 FSDH321 Datasheet
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General Description
Each product in the FSDx321 (x for H, L) family consists of an integrated Pulse Width Modulator (PWM) and Sense FET, and is specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components.
Key Features
- Internal Avalanche Rugged Sense FET.
- Consumes only 0.65W at 240VAC & 0.3W load with Advanced Burst-Mode Operation.
- Frequency Modulation for EMI Reduction.
- Precision Fixed Operating Frequency.
- Internal Start-up Circuit.
- Pulse-by-Pulse Current Limiting.
- Abnormal Over Current Protection (AOCP).
- Over Voltage Protection (OVP).
- Over Load Protection (OLP).
- Internal Thermal Shutdown Function (TSD).
- Auto-R.