NCP1342DADBDD1R2G

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NCP1342DADBDD1R2G

IC OFFLINE SWITCH FLYBACK 9SOIC

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規格

Part Status Active
Output Isolation Isolated
Internal Switch(s) No
Topology Flyback
Voltage - Start Up 17 V
Voltage - Supply (Vcc/Vdd) 9V ~ 28V
Frequency - Switching 500kHz
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 10-SOP (0.154", 3.90mm Width), 9 Leads
Supplier Device Package 9-SOIC
Mounting Type Surface Mount
Base Product Number NCP1342

概述

Description

The NCP1342DADBDD1R2G is a high-performance, integrated PWM (Pulse Width Modulation) controller designed for power management applications. It is particularly suited for off-line and DC-DC converter designs, providing features that enhance efficiency and reliability.
Key characteristics include a wide input voltage range, high-frequency operation, and integrated high-voltage startup capability. The controller employs a current mode control scheme, which improves transient response and simplifies compensation. It also includes features such as programmable soft start, over-voltage protection, and thermal shutdown.
The NCP1342DADBDD1R2G is typically used in applications such as power adapters, LED drivers, and battery chargers, where efficiency and compact design are crucial. Its compact package, combined with the robust feature set, makes it an ideal choice for modern power supply designs. Overall, the NCP1342DADBDD1R2G is designed to meet the demands of energy-efficient power management solutions.

Features

The NCP1342DADBDD1R2G is a highly integrated, high-performance offline switcher designed for power supply applications. Key features include:
1. Integrated Controller: Combines a high-voltage start-up circuit with a PWM controller, reducing component count.
2. PWM Control: Offers frequency modulation for improved efficiency and reduced electromagnetic interference (EMI).
3. Wide Input Voltage Range: Supports input voltage from 85V to 265V AC, making it suitable for various applications.
4. Built-in Protection Features: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown to enhance reliability.
5. Adjustable Output Voltage: Offers flexibility in output voltage settings, accommodating various load requirements.
6. Compact Packaging: Available in a small surface mount SOIC-16 package, facilitating space-saving designs.
7. High Efficiency: Designed for high efficiency at light loads, making it suitable for energy-saving applications.
These features make the NCP1342DADBDD1R2G ideal for use in LED drivers, adapters, and other power supply circuits.

Package

The NCP1342DADBDD1R2G is packaged in a 16-pin HTSSOP (Thin Shrink Small Outline Package) format. This package type is designed for compact applications, providing efficient thermal performance and a reduced footprint.

Pinout

The NCP1342DADBDD1R2G is a high-performance, controlled on-time, current-mode PWM (Pulse Width Modulation) controller designed for power supplies. It features a total of 16 pins.
Pin Functions:
1. VDD: Supply voltage.
2. GND: Ground connection.
3. RAMP: Ramp voltage input.
4. COMP: Compensation network connection.
5. CSN: Current sense negative.
6. CSP: Current sense positive.
7. SOFT_START: Soft-start input.
8. RT: Timing resistor connection.
9. SENSE: Sensing pin for feedback.
10. ON/OFF: Enable pin for switching control.
11. ISENSE: Current sense.
12. FB: Feedback pin.
13. PWM: PWM output for driving the power transistor.
14. VREF: Reference voltage output.
15. AGND: Analog ground.
16. SS: Soft-start capacitor connection.
This device is primarily used in applications such as power supplies for consumer electronics and industrial equipment.

Manufacturer

The NCP1342DADBDD1R2G is manufactured by ON Semiconductor, a global company known for designing and manufacturing a wide range of semiconductor components. ON Semiconductor specializes in various sectors, including automotive, industrial, communications, and consumer electronics, providing solutions for power management, analog, and mixed-signal applications. The NCP1342DADBDD1R2G is a high-performance, integrated power supply controller, often used in applications requiring efficient power conversion. The company is recognized for its commitment to innovation and sustainability in the semiconductor industry.

Application

The NCP1342DADBDD1R2G is a high-performance PWM controller primarily used in power supply applications. It is suitable for isolated and non-isolated topologies, including flyback converters, and is commonly employed in devices such as adapters, chargers, and power supplies for consumer electronics, industrial equipment, and telecommunications. Its features enable efficient power conversion and management, making it ideal for applications requiring compact and reliable power solutions.

Equivalent

The NCP1342DADBDD1R2G is a PWM controller for power supplies. Equivalent products include the LM3445, UC3842, and MC34063. These alternatives also serve in similar applications for power management but may have different specifications. Always consult datasheets for detailed comparison and compatibility.

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