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UC1527A 데이터시트

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UC1527A Regulating Pulse Width Modulators Unitrode
Unitrode Semiconductor Unitrode
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DESCRIPTION
The UC1525A/1527A series of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip +5.1V reference is trimmed to ±1% and the input common-mode range of the error amplifier includes the reference voltage, eliminating external resistors. A sync input to the oscillator allows multiple units to be slaved or a single unit to be synchronized to an external system clock. A single resistor between the CT and the discharge terminals provides a wide range of dead-time adjustment. These devices also feature built-in soft-start circuitry with only an external timing capacitor required.

FEATURES
• 8 to 35V Operation
• 5.1V Reference Trimmed to ±1%
• 100Hz to 500kHz Oscillator Range
• Separate Oscillator Sync Terminal
• Adjustable Deadtime Control
• Internal Soft-Start
• Pulse-by-Pulse Shutdown
• Input Undervoltage Lockout with Hysteresis
• Latching PWM to Prevent Multiple Pulses
• Dual Source/Sink Output Drivers

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UC1527A 관련 기타 제조 업체 검색

부품명상세내역PDF제조사
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