PL3394A Secondary Feedback PWM Power Switch Datasheet
■PL3394A is a high performance and low cost current mode PWM controller which provides several special enhancements designed to meet low standby power requirements. The start-up current is very low, typically 5μA, and the operation current is also low. The “No Audio Noise Green Mode” function is integrated to improve the efficiency at light or no load conditions. This green-mode function enables the power supply to meet even the strictest power conservation requirements easily.
■The built-in slope compensation ensures the stability of peak current mode control. The integrated frequency jitter function helps to reduce EMI emission of a power supply with minimum line filters.
■PL3394A also offers rich protection features including Cycle-by-Cycle peak current limiting, UVLO, VDD over voltage, load OVP, OLP, and OTP.
●Key Features
■Very Low Start-up Current and Operating Current
■No Audio Noise Green Mode PWM Control
■Frequency Jitter Function to Improve EMI Performance
■Built-in Slope Compensation
■Leading Edge Blanking on CS Pin
■Cycle-by-Cycle peak current limiting
■VDD OVP and Under-voltage Lockout
■OLP (Over Load Protection)
■OUT OVP
■OTP
■Built-in Soft Start
■Drive voltage clamp
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Secondary Feedback PWM Power Switch 、 high performance and low cost current mode PWM controller |
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[ AC/DC power supply applications ][ Power Adaptor ][ Battery Charger ][ PC 5V Standby Power ][ Set Top Box Power Supply ] |
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Datasheet |
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Please see the document for details |
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DIP7 |
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English Chinese Chinese and English Japanese |
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2022/4/24 |
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V1.4 |
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583 KB |
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