The NCP1251 is a highly integrated current-mode PWM controller designed for off-line power supplies, including TVs, adapters, and printers. It features fixed 65 or 100 kHz switching, internal ramp compensation, an advanced over power protection system, frequency foldback to reduce light-load power consumption, and soft-start. Its built-in overvoltage, overcurrent, and short-circuit protections ensure high reliability. Operating up to 28 V, it offers low standby power, optional auto-recovery or latched protections, and is compatible with EPS 2.0 standards, making it ideal for efficient, compact, and robust power conversion applications.
ONSEMI NCP1251ASN65T1G Power Supply Controller Specifications:
Switching Frequency: 65 kHz or 100 kHz fixed or adjustable variants
Operation Voltage: Up to 28 V Vcc
Frequency Foldback: Down to 26 kHz during light load
Protection Types: Over Power Protection, Over Voltage Protection, Short Circuit Protection, Over Temperature Protection
Protection Modes: Latched or Auto-Recovery OVP, Auto-Recovery or Latch OPP/OTP
Soft-Start Duration: 4 ms fixed
Maximum Drive Current: ±300 mA
Input Pins: Feedback, Current Sense, OPP/OVP, Driver Output
Package: TSOP-6 (CASE 318G)
Buy the ON Semiconductor NCP1251 Series PWM Controller: NCP1251ASN65T1G
Shop the ON Semiconductor NCP1251ASN65T1G online today and benefit from a compact, reliable PWM controller ideal for offline power supplies. This controller features fixed switching frequencies of 65 kHz, 100 kHz, internal ramp compensation, and advanced protections including over voltage, over power, and short circuit protections. Its low standby power, frequency foldback, and soft-start capabilities ensure efficient operation in applications like TVs, adapters, and printers. Order now to ensure a high-performance, durable, and cost-effective power management solution for your projects.
Order your ON Semiconductor NCP1251ASN65T1G PWM controller today and enhance your power supply designs with reliable protection and high efficiency.
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