NCP1256BSN100T1G
NCP1256BSN100T1G: AC Switching Controller for efficient power management
Inventory:5,632
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Part Number : NCP1256BSN100T1G
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Package/Case : TSOP-6
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Brand : Onsemi
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Components Classification : AC DC Converters, Offline Switches
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Datesheet : NCP1256BSN100T1G DataSheet (PDF)
Overview of NCP1256BSN100T1G
The NCP1256 includes everything to build cost-effective switch mode power supplies ranging from a few watts up to several tens of watts. Housed in a tiny TSOP-6 package, the part can be supplied up to 30 V. It hosts a jittered 65 or 100-kHz switching circuitry operated in peak current mode control. When the power in the secondary side starts to decrease, the controller automatically folds back its switching frequency down to a minimum level of 26 kHz. As the power further goes down, the part enters skip cycle while limiting the peak current. NCP1256 comes with several protection features such as a timer-based auto-recovery short circuit protection, lossless OPP, and an easily adjustable Brown Out (BO) pin. Two inputs are provided to latch off the part in a practical way, for instance with OVP and OTP events. Several options exists to chose latch or auto-recovery.
Key Features
- Frequency Foldback down to 26 kHz and Skip−cycle in Light Load Conditions
- 70−ms Timer−based Auto−recovery Short−circuit Protection
- Frequency Jittering in Normal and Frequency Foldback Modes
- +500 mA/ −500 mA Source/Sink Drive Capability
- Fixed−frequency 65−kHz or 100−kHz Current−mode Control Operation
- Pb−Free Device
- Adjustable Over Power Protection (OPP) Circuit, Disabled at Low Line
- Adjustable Brown Out Level
- Internally−fixed Slope Compensation Ramp
- Internally−fixed 4−ms Soft−start
- Double Hiccup Auto−recovery Short−circuit Protection
- Pre−short Ready for Latched OCP Option
- Latched OVP Protection on Vcc
- Latched Inputs for Improved Robustness (OVP and OTP implementations)
- EPS 2.0 Compliant
Application
- Ac−dc Adapters for Portable Devices
- Ac−dc Adapters for Computers
- Ac−dc Adapters for Tablets
- General Ac−dc Adapters
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Status | Last Shipments | Compliance | PbAHP |
Package Type | TSOP-6 | Case Outline | 318G-02 |
MSL Type | 3 | MSL Temp (°C) | 260 |
Container Type | REEL | Container Qty. | 3000 |
ON Target | N | Topology | Flyback |
Control Mode | Current Mode | fsw Typ (kHz) | 100 |
Stand-by Mode | Yes | UVLO (V) | 8.3 |
Short Circuit Protection | Yes | Latch | No |
Soft Start | Yes | VCC Max (V) | 35 |
Drive Cap. (mA) | 500 / 500 | Pricing ($/Unit) | Price N/A |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package
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Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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