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NCP1587

ON Semiconductor
Part Number NCP1587
Manufacturer ON Semiconductor
Description Low Voltage Synchronous Buck Controller
Published Feb 24, 2011
Detailed Description NCP1587, NCP1587A Low Voltage Synchronous Buck Controller The NCP1587 and NCP1587A are low cost PWM controllers designe...
Datasheet PDF File NCP1587 PDF File

NCP1587
NCP1587

Overview
NCP1587, NCP1587A Low Voltage Synchronous Buck Controller The NCP1587 and NCP1587A are low cost PWM controllers designed to operate from a 5 V or 12 V supply.
These devices are capable of producing an output voltage as low as 0.
8 V.
These 8−pin devices provide an optimal level of integration to reduce size and cost of the power supply.
The NCP1587/A provide a 1 A gate driver design and an internally set 275 kHz (NCP1587) and 200 kHz (NCP1587A) oscillator.
In addition to the 1 A gate drive capability, other efficiency enhancing features of the gate driver include adaptive non−overlap circuitry.
The devices also incorporate an externally compensated error amplifier and a capacitor programmable soft−start function.
Protection features include programmable short circuit protection and under voltage lockout (UVLO).
The NCP1587/A comes in an 8−pin SOIC package.
Features • Input Voltage Range from 4.
5 to 13.
2 V • 275 kHz (NCP1587) and 200 kHz (NCP1587A) Internal Oscillator • Boost Pin Operat...


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