The NCP1445FR4 is a 560 kHz DC-DC switching regulator designed for high efficiency with a maximum output current of 4.0 A. It operates over a wide input voltage range of 2.7 V to 30 V, making it suitable for various power supply configurations, including boost and inverting converters. The device features current mode architecture, which enhances load and line regulation while providing built-in overcurrent protection and thermal shutdown with hysteresis. The NCP1445FR4 can regulate negative output voltages and includes provisions for external synchronization and shutdown. It is packaged in a PowerFLEX 7-pin format, allowing for a compact design with minimal external components. This regulator is ideal for applications in portable computers, battery-powered systems, and distributed power systems.
Switching Regulator, Current-mode, 8A, 640kHz Switching Freq-Max, PSSO7
IC 8 A SWITCHING REGULATOR, 640 kHz SWITCHING FREQ-MAX, PSSO7, POWER FLEX 7 PIN, Switching Regulator or Controller Product overview: NCP1445FR4 from onsemi is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8 A, 640 kHz. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 8 A, 640 kHz, Voltage Regulator IC, DC Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 739-NCP1445FR4 can be used for catalog matching and distributor lookup.
Manufacturer: ON Semiconductor
Win Source Part Number: 133283-NCP1445FR4
Packaging: Reel - TR
Mounting: SMD (SMT)
Output Type: Adjustable
Topology: Boost, Flyback, Forward Converter, SEPIC
Frequency - Switching: 560kHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 4A (Switch)
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: 0°C to 150°C (TJ)
Case / Package: 7-Powerflex
Purpose: Step-Up, Step-Up/Step-Down
Maximum Input Voltage: 30V
Minimum Input Voltage: 2.7V
Popularity: Medium
Fake Threat In the Open Market: 61 pct.
Supply and Demand Status: Limited
IC REG MULT CONFG ADJ POWERFLEX7
IC REG MULT CONFG ADJ POWERFLEX7
Boost, Flyback, Forward Converter, SEPIC Switching Regulator IC Positive or Negative Adjustable 1 Output 4A (Switch) Powerflex-7
| Rochester Electronics | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | NCP1445FR4 | 739-NCP1445FR4 | 133283-NCP1445FR4 | NCP1445FR4 | NCP1445FR4 | NCP1445FR4 |
| Product Name | 8 A 640 kHz Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - NCP1445FR4 | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | |
| Package Type | Other; SMSIP7H | Other; 7-Powerflex | Other; Powerflex-7 | |||
| Life Cycle Stage | Obsolete | PhaseOut; Obsolete(EOL) | Removed | Removed; Obsolete | ||
| Output Voltage Type | Adjustable / Variable | Adjustable / Variable; Adjustable | Adjustable / Variable; Adjustable | |||
| IOUT | 4 amps | 4 amps | 4 amps | 4 amps | 4 amps | |
| Operating Temperature | 0 C (32 F) | 0 to 150 C (32 to 302 F) | 0 to 150 C (32 to 302 F) | 0 to 150 C (32 to 302 F) |
