Shenzhen Koben Electronics Co., Ltd.
| Payment Terms | Western Union, T/T,Paypal |
| Supply Ability | Consultation |
| Delivery Time | 2-3 working days |
| Packaging Details | 2500PCS/Standard Package |
| Voltage - Supply | 10.6V ~ 20V |
| Frequency - Switching | Up to 200kHz |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Operating Temperature | -40°C ~ 125°C |
| Brand Name | ON Semiconductor |
| Model Number | NCP1207ADR2G |
| Certification | ROHS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | Western Union, T/T,Paypal | Supply Ability | Consultation |
| Delivery Time | 2-3 working days | Packaging Details | 2500PCS/Standard Package |
| Voltage - Supply | 10.6V ~ 20V | Frequency - Switching | Up to 200kHz |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage | Operating Temperature | -40°C ~ 125°C |
| Brand Name | ON Semiconductor | Model Number | NCP1207ADR2G |
| Certification | ROHS | Place of Origin | CHINA |
| High Light | integrated circuit chip ，ic electrical component | ||
NCP1207ADR2G 1207A Converter Offline Flyback Topology Up to 200kHz
GENERAL DESCRIPTION
The NCP1207A/B combines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi−Resonant operation). Due to its inherent skip cycle capability, the controller enters burst mode as soon as the power demand falls below a predetermined level. As this happens at low peak current, no audible noise can be heard. For the NCP1207A, an internal 8.0 s timer prevents the free−run frequency to exceed 125 kHz (therefore below the 150 kHz CISPR−22 EMI starting limit), while the skip adjustment capability lets the user select the frequency at which the burst foldback takes place. For the NCP1207B, the internal timer duration is reduced to 4.5 s to allow operation at higher frequencies (up to 200 kHz). The Dynamic Self−Supply (DSS) drastically simplifies the transformer design in avoiding the use of an auxiliary winding to supply the NCP1207A/B. This feature is particularly useful in applications where the output voltage varies during operation (e.g. battery chargers). Due to its high−voltage technology, the IC is directly connected to the high−voltage DC rail. As a result, the short−circuit trip point is not dependent upon any VCC auxiliary level. The transformer core reset detection is done through an auxiliary winding which, brought via a dedicated pin, also enables fast Overvoltage Protection (OVP). Once an OVP has been detected, the IC permanently latches off. Finally, the continuous feedback signal monitoring implemented with an overcurrent fault protection circuitry (OCP) makes the final design rugged and reliable.
| Output Isolation | Isolated |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | 10.6V ~ 20V |
| Duty Cycle | - |
| Frequency - Switching | Up to 200kHz |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Control Features | - |
| Operating Temperature |
-40°C ~ 125°C |
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Company Details
Business Type:
Distributor/Wholesaler
Year Established:
1995
Ecer Certification：
Site Member
Koben Electronics was founded in 1995 and is located in the Silicon Valley of China, Shenzhen. The mission of Koben has always been to provide quality electronics components to manufacturers worldwide. Early on we became a primary conduit for end-of-program and overstoc... Koben Electronics was founded in 1995 and is located in the Silicon Valley of China, Shenzhen. The mission of Koben has always been to provide quality electronics components to manufacturers worldwide. Early on we became a primary conduit for end-of-program and overstoc...
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