NCP1031: Integrated DC-DC Converter for PoE and Telecom
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The NCP1030 and NCP1031 are a family of miniature high-voltage monolithic dc-dc converters with on-chip power switch and start-up circuits. The NCP103x family incorporates in a single IC all the active power, control logic and protection circuitry required to implement, with minimal external components, several switching regulator applications, such as a secondary side bias supply or a low power dc-dc converter.
This controller family is ideally suited for 48 V telecom, 42 V automotive, 12 V input and Power Over Ethernet (PoE) applications. The NCP103x can be configured in any single-ended topology such as forward or flyback. The NCP1030 is targeted for applications requiring up to 3 W, and the NCP1031 is targeted for applications requiring up to 6 W.
The internal error amplifier allows the NCP103x family to be easily configured for secondary or primary side regulation operation in isolated and non-isolated configurations. The fixed frequency oscillator is optimized for operation up to 1 MHz and is capable of external frequency synchronization, providing additional design flexibility. In addition, the NCP103x incorporates individual line undervoltage and overvoltage detectors, cycle by cycle current limit and thermal shutdown to protect the controller under fault conditions. The preset current limit thresholds eliminate the need for external sensing components.
This controller family is ideally suited for 48 V telecom, 42 V automotive, 12 V input and Power Over Ethernet (PoE) applications. The NCP103x can be configured in any single-ended topology such as forward or flyback. The NCP1030 is targeted for applications requiring up to 3 W, and the NCP1031 is targeted for applications requiring up to 6 W.
The internal error amplifier allows the NCP103x family to be easily configured for secondary or primary side regulation operation in isolated and non-isolated configurations. The fixed frequency oscillator is optimized for operation up to 1 MHz and is capable of external frequency synchronization, providing additional design flexibility. In addition, the NCP103x incorporates individual line undervoltage and overvoltage detectors, cycle by cycle current limit and thermal shutdown to protect the controller under fault conditions. The preset current limit thresholds eliminate the need for external sensing components.
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Applications | End Products | |
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Technical Documentation & Design Resources
Design & Development Tools (1) | Data Sheets (1) |
Design Notes (2) | Package Drawings (2) |
Application Notes (2) | Videos (1) |
Simulation Models (1) | Evaluation Board Documents (5) |
Evaluation/Development Tool Information
Product | Status | Compliance | Short Description | Action |
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NCP1031POEEVB | Active |
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6.5 W PoE DC-DC Converter Evaluation Board |
Availability & Samples
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Specifications
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Case Outlines
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Application Diagram
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Intaractive Block Diagram
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Case Outline |
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NCP1031DR2G | Active |
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NCP1031 | SOIC-8 | 751-07 | 1 | 260 | Tape and Reel | 2500 | $0.8 | ||||||||
NCP1031MNTXG | Active |
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NCP1031 | DFN-8 | 488AF | 1 | 260 | Tape and Reel | 4000 | $0.9866 |
Market Leadtime (weeks) | : | Contact Factory |
Avnet (2020-08-19 00:00) | : | >1K |
PandS (2020-09-14 00:00) | : | >1K |
Market Leadtime (weeks) | : | 4 to 8 |
PandS (2020-09-14 00:00) | : | >1K |
Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Package Type
Application
Diagram - Block
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