NCP1251BSN65T1G

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NCP1251BSN65T1G

IC OFFLINE SWITCH FLYBACK 6TSOP

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  • Fr. Teil #NCP1251BSN65T1G
  • Paket TSOP-6
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputIsolation Isolated
InternalSwitch(s) No
Topology Flyback
Voltage-StartUp 18 V
Voltage-Supply(Vcc/Vdd) 8.8V ~ 28V
DutyCycle 80%
Frequency-Switching 65kHz
FaultProtection Over Power, Over Voltage, Short Circuit
OperatingTemperature -40°C ~ 125°C (TJ)
Package/Case SOT-23-6 Thin, TSOT-23-6
SupplierDevicePackage 6-TSOP

Übersicht

Description

The NCP1251BSN65T1G is a highly integrated, high-performance power management IC designed for use in off-line power supplies. It features a current-mode controller for flyback converters, enabling efficient energy conversion with minimal external components. With a wide input voltage range, it supports various applications such as adapters, battery chargers, and LED drivers.
Key features include an adjustable output voltage, built-in soft-start, and a robust protection mechanism that includes over-voltage, over-current, and thermal shutdown protection. Its low start-up current and high efficiency help improve overall system performance, making it suitable for energy-sensitive applications.
The NCP1251 is packaged in a compact surface-mount format, making it ideal for space-constrained designs. Its versatility and reliability make it a popular choice among designers looking to enhance power supply designs with reduced size and increased efficiency.

Features

The NCP1251BSN65T1G is a high-performance integrated circuit designed for switch-mode power supply applications. Key features include:
1. High Efficiency: Optimized for low standby power consumption and high efficiency in various operating conditions.
2. Integrated Start-Up Circuit: Simplifies design by eliminating the need for an external resistor.
3. Wide Input Voltage Range: Supports input voltages from 85V to 265V AC, making it suitable for universal AC-DC applications.
4. Built-in Overcurrent Protection: Protects against overload conditions, ensuring reliability.
5. Thermal Shutdown: Automatically shuts down the device in the event of overheating.
6. Adjustable Output Voltage: Allows for versatility in output voltage configurations.
7. Frequency Modulation: Reduces electromagnetic interference (EMI) due to variable switching frequency.
These features make the NCP1251BSN65T1G ideal for use in adapters, battery chargers, and other power supply designs.

Package

The NCP1251BSN65T1G is packaged in a SOIC-8 (Small Outline Integrated Circuit) package. This surface-mount package features eight leads and is designed for efficient heat dissipation and compact design in power management applications.

Pinout

The NCP1251BSN65T1G is a high-performance off-line switcher IC used in power supply applications. It features a total of 8 pins. The pinout and their primary functions are as follows:
1. VCC - Supply voltage input.
2. GND - Ground connection.
3. CSN - Current sense input for controlling the switched current.
4. CSP - Current sense input for positive feedback.
5. COMP - Compensation network connection for stability.
6. RAMP - Ramp compensation pin to prevent subharmonic oscillation.
7. SW - Switch node connecting to the external power switch.
8. ON/OFF - Enable/disable pin for turning the IC on or off.
This IC is commonly used in power solutions for applications such as adapters and chargers, providing efficient power conversion and regulation.

Manufacturer

The NCP1251BSN65T1G is manufactured by ON Semiconductor, a global semiconductor company. ON Semiconductor specializes in providing a wide range of semiconductor solutions, including power management, analog, and logic devices, as well as sensors and connectivity solutions. The company focuses on energy-efficient technologies and serves various markets, including automotive, industrial, communications, and consumer electronics. Established in 1999, ON Semiconductor has grown through acquisitions and innovation, aiming to enable sustainable energy-efficient solutions for its customers.

Application

The NCP1251BSN65T1G is a high-performance offline Switch Mode Power Supply (SMPS) controller primarily used in applications such as LED drivers, adapter power supplies, and charger circuits. It is designed for efficient energy conversion in low to medium power applications, making it suitable for consumer electronics, telecommunications, and industrial equipment. Its features support reduced standby power consumption and improved energy efficiency, aligning with energy regulations.

Equivalent

Equivalent products to the NCP1251BSN65T1G include the TOPSwitch series (like TOP246), the UCC28C series from Texas Instruments, and the LNK series from Power Integrations (like LNK302). These alternatives share similar features for off-line flyback converters, but always check specific parameters like voltage, current ratings, and switching frequency to ensure compatibility for your application.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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