 |
 |
 |
FAN7930B − Critical Conduction Mode PFC Controller
The FAN7930B is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM). It uses a voltagemode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn-off signal. Because the voltage-mode CRM PFC controller does not need rectified AC line voltage information, it saves the power loss of an input voltage sensing network necessary for a current-mode CRM PFC controller.FAN7930B provides over-voltage protection, openfeedback protection, over-current protection, inputvoltage- absent detection, and under-voltage lockout protection. The additional OVP pin can be used to shut down the boost power stage when output voltage exceeds OVP level due to the resistors that are connected at INV pin are damaged. The FAN7930B can be disabled if the INV pin voltage is lower than 0.45V and the operating current decreases to a very low level. Using a new variable on-time control method, THD is lower than the conventional CRM boost PFC ICs.
Buy Products
Request Free Samples
Product Status/Pricing/Packaging
| Product | Product & Eco Status | *Pricing | Packaging & Packing Info | **Package Marking Convention | Qualification Support | Compliance Certificates |
|---|---|---|---|---|---|---|
| FAN7930BMX |
Full Production ROHS Compliant |
$0.53 | SO 8L NB Details TAPE REEL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:FAN
Line 3:7930B |
FIT :
6.5
ESD (CDM) : 2000 V ESD (HBM) : 2500 V Show more... |
- Fairchild 1,000 piece Budgetary Pricing. *
- If there is no sample button displayed at the top of the page, please contact one of the Fairchild distributors or your local sales office to obtain samples.
- Top mark packaging information for product FAN7930B is available. **
Features
- Additional OVP Detection Pin
- Input Voltage Absent Detection Circuit
- Maximum Switching Frequency Limitation
- Internal Soft-Start and Overshoot-less Control
- Internal Total Harmonic Distortion (THD) Optimizer
- Precise Adjustable Output Over-Voltage Protection
- Open-Feedback Protection and Disable Function
- Zero Current Detector
- 150µs Internal Startup Timer
- MOSFET Over-Current Protection
- Under-Voltage Lockout with 3.5V Hysteresis
- Low Startup and Operating Current
- Totem-Pole Output with High State Clamp
- +500/-800mA Peak Gate Drive Current
- 8-Pin Small Outline Package (SOP)
Applications
|
Application Notes
| Application Note | Description |
|---|---|
| AN-8035 | Design Consideration for Boundary Conduction Mode Power Factor Correction (PFC) Using FAN7930(1,199 K) 04-Apr-2013 |
| AN-9738 | Design Guideline on 150W Power Supply for LED Street Lighting Design Using FL7930B and FAN7621S(1,209 K) 20-Apr-2011 |
| AN-8035SC | Design Consideration for Boundary Conduction Mode Power Factor Correction (PFC) Using FAN7930 (Chinese Translation)(1,316 K) 21-Jul-2011 |
Reference Designs
| Application | Document Number | Featured Products | Output Power |
Input Voltage |
Topology |
|---|---|---|---|---|---|
| LED Lighting | RD-L013 | FAN7621S, FAN7930B, FCPF11N60NT, FDPF7N60NZ, FL7930B | 150W | 85-277VAC | CRM PFC + LLC H/B |
|
