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NCP1395BDR2G

Name: NCP1395BDR2G
Rating: 4.7 (12 reviews)

IC OFFLINE SW HALF-BRDG 16SOIC

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Mfr。パート #NCP1395BDR2G
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仕様

Part Status	Obsolete
Base Product Number	NCP1395
Output Isolation	Isolated
Internal Switch(s)	No
Topology	Half-Bridge
Voltage - Start Up	13.3 V
Voltage - Supply (Vcc/Vdd)	9.3V ~ 20V
Duty Cycle	50%
Frequency - Switching	50kHz ~ 1MHz
Fault Protection	Over Temperature, Over Voltage
Control Features	Frequency Control, Soft Start
Operating Temperature	-40°C ~ 150°C (TJ)
Package	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package	16-SOIC
Mounting Type	Surface Mount
Packaging	Tape & Reel (TR)

概要

Description

The NCP1395BDR2G is a high-performance, offline power supply controller designed for applications requiring high efficiency and compact size. It is primarily used in AC-DC power converters, offering features such as pulse-width modulation (PWM) control, integrated startup circuit, and a built-in high-voltage startup switch.
This controller supports both continuous and discontinuous conduction modes, making it suitable for a variety of load conditions. It also includes a range of protection features, such as over-voltage, over-current, and thermal shutdown, which enhance reliability and safety in end-use applications. Operating in a wide input voltage range, the NCP1395BDR2G is ideal for consumer electronics, industrial equipment, and other power supply solutions where efficiency and compactness are critical.
Overall, it delivers robust performance in a cost-effective package, making it a popular choice among engineers designing efficient power supply circuits.

Features

The NCP1395BDR2G is a high-performance PWM controller designed for offline power supply applications. Key features include:
1. High Voltage Startup: Operates with a wide input voltage range, supporting up to 40V.
2. Current Mode Control: Provides tight regulation and improved transient response.
3. Integrated MOSFET Driver: Reduces external components and enhances efficiency.
4. Frequency Modulation: Helps minimize EMI emissions by varying switching frequency.
5. Built-in Protection: Includes features like over-voltage protection (OVP), under-voltage lockout (UVLO), and cycle-by-cycle current limiting.
6. Soft Start: Reduces inrush current during startup to enhance system reliability.
7. Adjustable Switching Frequency: Customizable for various applications, typically in the range of 66 kHz to 100 kHz.
8. Thermal Shutdown: Protects the device from overheating.
These features make the NCP1395BDR2G suitable for applications such as adapters, chargers, and power supplies in consumer electronics.

Package

The NCP1395BDR2G is packaged in a SO-8 (Small Outline 8-lead) surface-mount package. This compact design is suitable for various applications, providing efficient space utilization and easy integration into circuit boards.

Pinout

The NCP1395BDR2G is a power management integrated circuit (PMIC) designed for use in off-line power supply applications. It features a 16-pin dual-in-line package (DIP) configuration.
The primary functions of the pins include:
1. VDD: Supply voltage input.
2. GND: Ground connection.
3. CSN: Current sense negative input.
4. CSP: Current sense positive input.
5. VREF: Reference voltage output.
6. COMP: Compensation network connection.
7. SS: Soft-start control.
8. RT: Timing resistor for oscillation frequency.
9. CS: Current sense input.
10. VOUT: Output voltage feedback.
11. DRAIN: Connects to the switching element (e.g., MOSFET).
12. FREQ: Frequency selection.
13. TSD: Thermal shutdown input.
14. ZCD: Zero-current detection input.
15. CT: Timing capacitor connection.
16. EN: Enable pin for activation.
The NCP1395BDR2G is optimized for high-efficiency switching applications, making it suitable for various power supply designs.

Manufacturer

The NCP1395BDR2G is manufactured by ON Semiconductor, a global semiconductor company headquartered in Phoenix, Arizona. ON Semiconductor specializes in designing and manufacturing a wide range of semiconductor components, including power management solutions, analog ICs, and sensors. The company caters to various industries, including automotive, industrial, communications, and consumer electronics, providing innovative solutions that enable energy efficiency and enhanced performance in electronic devices.

Application

The NCP1395BDR2G is a primary-side control IC designed for offline flyback converters. Its application areas include power supplies for LED lighting, adapters, chargers for consumer electronics, and industrial equipment. It is particularly suited for low to medium power applications, offering features like high efficiency, minimal external components, and built-in protection mechanisms.

Equivalent

Equivalent products to the NCP1395BDR2G chip include the NCP1395B, NCP1396, and NCP1397 from On Semiconductor, which offer similar features for power supply applications. Additionally, you can consider the LM5118 from Texas Instruments and the TPS40210 as alternatives, depending on specific requirements like voltage ratings and switching frequencies. Always check the datasheets for compatibility with your specific application.