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Overview
| Topology | Power Factor Correction |
| Input voltage | 110-230 V |
| Switching frequency | 26 kHz |
| Output 1 | 12 V / 20 A |
Description
The NCP1615AIOGEVB Evaluation Board is a high voltage PFC controller designed to drive PFC boost stages based on an innovative Current Controlled Frequency Foldback (CCFF) method. In this mode, the circuit classically operates in critical conduction mode (CrM) when the inductor current exceeds a programmable value. When the current is below this preset level, the NCP1615AIOGEVB Evaluation Board linearly decays the frequency down to a minimum of about 26 kHz when the input current is zero. CCFF maximizes the efficiency at both nominal and light load. In particular, the standby losses are reduced to a minimum. An innovative circuitry allows near-unity power factor even when the switching frequency is reduced.
Features
- High Voltage Start−Up Circuit with Integrated Brownout Detection
- Input to Force Controller into Standby Mode
- Restart Pin Allows Adjustment of Bulk Voltage Hysteresis in Standby Mode
- Skip Mode Near the Line Zero Crossing
- Fast Line / Load Transient Compensation
- Valley Switching for Improved Efficiency
- High Drive Capability: −500 mA/+800 mA
- Wide VCC Range: from 9.5 V to 28 V
- Input Voltage Range Detection
- Input X2 Capacitor Discharge Circuitry
- Power Saving Mode (PSM) Enables < 30 mW No−load Power Consumption
- This is a Pb and Halogen Free Device
- Adjustable Bulk Undervoltage Detection (BUV)
- Soft Overvoltage Protection
- Line Overvoltage Protection
- Overcurrent Protection
- Open Pin Protection for FB and FOVP/BUV Pins
- Internal Thermal Shutdown
- Bi−Level Latch Input for OVP and OTP
- Bypass/Boost Diode Short Circuit Protection
- Open Ground Pin Protection
Typical applications
- LED Drivers
- Flat TVs
- PC Power Supplies
- Off Line Appliances Requiring Power Factor Correction
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | Ø Cable max. (mm) | Ø OD (mm) | Ø ID (mm) | Z @ 25 MHz 1 turn (Ω) | Z @ 100 MHz 1 turn (Ω) | Material | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | VDE Approval | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 820512711 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-VD Disk Varistor | 230 VAC | – | – | – | – | – | – | -40 °C up to +85 °C | – | 12.5 | 4.4 | 16 | – | – | – | – | – | – | – | 275 | 350 | 430 | 2500 | 66 | 0.4 | Yes | ||
 | 890334026027 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | Across the mains | 1 µF | 310 | X2 | 170 | 0.1 | 10 GΩ | -40 °C up to +105 °C | 22.5 | 26 | 11 | 20 | Bulk | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 74270021 | SPEC | 2 files | Active i| Production is active. Expected lifetime: >10 years. | WE-SAFB | – | – | – | – | – | – | – | -25 °C up to +125 °C | – | 9.8 | – | 5.65 | – | 3 | 5.65 | 3 | 53 | 79 | 4 W 620 | – | – | – | – | – | – | – | ||
| 750370249 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | Ø Cable max. (mm) | Ø OD (mm) | Ø ID (mm) | Z @ 25 MHz 1 turn (Ω) | Z @ 100 MHz 1 turn (Ω) | Material | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | VDE Approval | Samples |
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