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NCP1246BD065R2G
Controller, Fixed Frequency, Current Mode, for Flyback Converters
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Manufacturer:
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Mfr.Part #:
NCP1246BD065R2G
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Datasheet:
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Case Outline:
751U
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MSL Temp (°C):
260
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Container Type:
REEL
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EDA/CAD Models:
Availability: 6506 PCS
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NCP1246BD065R2G General Description
The NCP1246 is a new fixed-frequency current-mode controller featuring Dynamic Self-Supply. This function greatly simplifies the design of the auxiiary supply and the Vcc capacitor by activating the internal startup current source to supply the controller during start-up, transients, latch, stnad-by etc. This device contains a special HV detector which detects the application unplug from the AC input line and triggers the X2 discharge current. The HV structure also includes brown-out detection circuitry.
The NCP1246 features a timer-based fault detection that ensures the detection of overload and an adjustable power compensation to help keep the maximum power independent of the input voltage.
Due to frequency foldback, the controller exhibits excellent efficiency in light load condition while still achieving very low standby power consumption. Internal frequency jittering, ramp compensation, and a versatile latch input make this controller an excellent candidate for robust power supply designs.
A dedicated off mode allows the SMPS to reach extremely low no load input power consumption when combinded with secondary side contoller NCP4353 or NCP4354. When used together, the SMPS is capable of achieving <10 mW no load input power consumption. The secondary side contoller signals the NCP1246 to enter a sleep mode, minimizing the power consumption of the control circuitry.
This product is IEC60950 compliant. Please see the test report and certification in the Conformance report section below.
Key Features
- Frequency foldback and skip mode
- Timer-based overload protection with latched (A version) or auto-recovery (B version) operation
- High-voltage startup with dynamic self supply
- Integrated brown-out detection
- Frequency Modulation
- Adjustable overpower protection
- Latch off input
Application
- AC-DC Adapters
- LCD TV power supplies
Specifications
Status | Active | Case Outline | 751U |
MSL Temp (°C) | 260 | Container Type | REEL |
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NCP1246BD065R2G Datasheet PDF
NCP1246BD065R2G PDF Preview
Availability: 6506 PCS
+BOMQty. | Unit Price | Ext. Price |
---|---|---|
1+ | $0.687 | $0.69 |
10+ | $0.673 | $6.73 |
30+ | $0.663 | $19.89 |
100+ | $0.651 | $65.10 |
The prices below are for reference only.
All bill of materials (BOM) can be sent via email to [email protected], or fill below form to Quote for NCP1246BD065R2G, guaranteed quotes back within 12hr.
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