AIC3843 Current-Mode PWM Controller

Analog Integrations

Description

AIC3843 Current-Mode PWM Controller .
The AIC3843 control IC provides the features that are necessary to implement off-line or DC/DC Converter fixed-frequency current-mode schemes with a m.

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Datasheet Specifications

Part number: AIC3843
Manufacturer: Analog Integrations
File Size: 477.46 KB
Datasheet: AIC3843_AnalogIntegrations.pdf
Description: Current-Mode PWM Controller

Features

* Low Start-Up Current (300µA Typical) Internal Precision Reference. 500KHz Current-Mode Operation. Pulse-by-Pulse Current Limiting. Automatic Feed-Forward Compensation. Optimized for Off-line and DC/DC Converters. Under-voltage Lockout with Hysteresis. Double Pulse Suppression. High Current Totem Pol

Applications

* AC/DC Off-line Converter. DC/DC Off-line Converter. TYPICAL APPLICATION CIRCUIT 2 C2 R3 51K FEEDBACK SIGNAL 300pF C3 1000P 1 8 6 5 3 C6 300P VFB VCC 7 + R1 10 R2 20K R5 390 C7 1nF RS 0.33 C1 47µF VCC INDUCTOR M1 COMP VREF OUTPUT GND R4 7.5K C5 0.1µF 4 RT/CT ISENSE AIC3843 C4 2.2nF Current M

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AIC3843 Current-Mode PWM Controller Analog Integrations

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