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NCP1342AMDCCDR2G

Name: NCP1342AMDCCDR2G
Rating: 4.7 (12 reviews)

IC OFFLINE SWITCH FLYBACK 8SOIC

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仕様

Part Status	Active
Output Isolation	Isolated
Internal Switch(s)	No
Topology	Flyback
Voltage - Start Up	17 V
Voltage - Supply (Vcc/Vdd)	9V ~ 28V
Fault Protection	Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit
Control Features	EN, Frequency Control, Soft Start, Sync
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Mounting Type	Surface Mount
Base Product Number	NCP1342

概要

Description

The NCP1342AMDCCDR2G is a high-performance integrated circuit designed for power management applications, specifically in power supply designs. It is primarily used for controlling power converters, such as flyback, buck, and boost converters. This IC features a wide input voltage range, which allows it to operate effectively in various environments.
Key features include its ability to provide high efficiency, built-in protection mechanisms (such as over-voltage, under-voltage, and thermal shutdown), and adjustable output voltage for flexibility in different applications. The NCP1342 also supports various control schemes, enhancing its suitability for both consumer and industrial applications.
Additionally, the chip is packaged in a compact 8-pin SOIC format, making it easy to integrate into existing designs while minimizing space requirements. Overall, the NCP1342AMDCCDR2G is an essential component for engineers designing reliable and efficient power supply solutions.

Features

The NCP1342AMDCCDR2G is a high-performance, integrated PWM controller designed for power supply applications. Key features include:
1. Current Mode Control: Provides excellent line and load regulation.
2. Wide Input Voltage Range: Operates from 8 V to 45 V, suitable for various applications.
3. High Efficiency: Supports low power losses, enhancing overall efficiency.
4. Programmable Switching Frequency: Adjustable from 100 kHz to 500 kHz for design flexibility.
5. Integrated Soft Start: Reduces inrush current during startup.
6. Overvoltage Protection (OVP): Enhances safety by preventing system failures.
7. Thermal Shutdown: Protects the device from overheating.
8. Low Start-Up Current: Minimizes power consumption during standby.
9. DIP or SOIC Packages: Available in multiple package types for design versatility.
These features make the NCP1342AMDCCDR2G suitable for various applications, including adapters, battery chargers, and industrial power supplies.

Package

The NCP1342AMDCCDR2G is available in a SOIC-16 package type. This surface-mount package features a 16-pin configuration, suitable for various power management applications.

Pinout

The NCP1342AMDCCDR2G is a high-performance, integrated PWM controller designed for use in power supply applications. It features a total of 8 pins.
Here are the primary pin functions:
1. VDD (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. CSN (Pin 3): Current sense negative input.
4. CSN (Pin 4): Current sense positive input.
5. RAMP (Pin 5): Ramp signal input for frequency modulation.
6. COMP (Pin 6): Compensation network connection for stability.
7. OUT (Pin 7): Gate drive output for controlling the power switch.
8. RT (Pin 8): Timing resistor connection for setting the switching frequency.
The NCP1342 is typically used in applications like power factor correction and flyback converters, making it suitable for various AC-DC and DC-DC power supply designs.

Manufacturer

The NCP1342AMDCCDR2G is manufactured by ON Semiconductor, a global company that specializes in semiconductor solutions. ON Semiconductor is known for its diverse portfolio that includes power management, analog, logic, and sensing devices, serving various industries such as automotive, industrial, communications, and consumer electronics. The company focuses on delivering energy-efficient solutions and innovative technologies, aiming to enable a sustainable future through its products and services.

Application

The NCP1342AMDCCDR2G is a high-performance PWM controller primarily used in power supply applications. Its main application areas include isolated DC-DC converters, industrial power supplies, LED drivers, and telecommunications equipment. It is designed for efficiency in switching power supplies, providing features like voltage regulation, protection mechanisms, and ease of integration in both low and high-power systems.

Equivalent

The NCP1342AMDCCDR2G chip is a PWM controller primarily used for power supply applications. Equivalent products include the LM3478 from Texas Instruments, the UC3842 from Texas Instruments, and the TL494 from Texas Instruments. These alternatives may vary in specifications, so ensure to check compatibility for specific applications.