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SG2524BJ Integrated Circuit SG2524BJ Voltage Mode PWMs The SG1524B is a pulse width modulator for switching power supplies which features improved performance over industry standards like the SG1524. A direct pin-for-pin replacement for the earlier device, it combines advanced processing techniques and circuit design to provide improved reference accuracy, and extended common mode range at the error amplifier and current limit inputs. A DC-coupled flip-flop eliminates triggering and glitch problems, and a PWM data latch prevents edge oscillations. The circuit incorporates true digital shutdown for high speed response, while an undervoltage lockout circuit prevents spurious outputs when the supply voltage is too low for stable operation. Full double-pulse suppression logic insures alternating output pulses when the Shutdown pin is used for pulse-by-pulse current limiting. The SG1524B is specified for operation over the full military ambient temperature range of -55°C to 125°C. The SG2524B is characterized for the industrial range of -25°C to 85°C, and the SG3524B is designed for the commercial range of 0°C · 100Hz to 400KHz oscillator range · Excellent external sync capability · Dual 100mA output transistors · Wide current limit common mode range · Full double-pulse suppression logic See the entire datasheet at: http://www.ortodoxism.ro/datasheets/microsemi/SG1524B.pdf (We do not proofread any ads submitted by members) |
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