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AP3105NV

Diodes
Part Number AP3105NV
Manufacturer Diodes
Description COST EFFECTIVE GREEN PWM CONTROLLER
Published Aug 4, 2014
Detailed Description A Product Line of Diodes Incorporated AP3105NA/NV/NL/NR COST EFFECTIVE GREEN PWM CONTROLLER Description The AP3105NA/N...
Datasheet PDF File AP3105NV PDF File

AP3105NV
AP3105NV

Overview
A Product Line of Diodes Incorporated AP3105NA/NV/NL/NR COST EFFECTIVE GREEN PWM CONTROLLER Description The AP3105NA/NV/NL/NR is a low startup current, current mode PWM controller with green-mode power-saving operation.
The PWM switching frequency at normal operation is set with 65kHz typically and the dithering of frequency will also improve the EMI feature.
When the load decreases, the frequency will reduce and when at a very low load, the IC will enter the ‘burst mode’ to minimize switching loss.
About 20kHz frequency switching is to avoid the audible noise as well as reducing the standby loss.
The skip mode point can be adjusted through the external resistor connected to the current sense resistor.
The AP3105NA/NV/NL/NR features a lot of functions such as the Leading-Edge Blanking (LEB) of the current sensing, internal slope compensation and several protection functions including cycle-bycycle current limit (OCP), VCC Over Voltage Protection (VOVP), OTP and OLP protection.
The versatile latch function can be set by the customer through few components.
This IC is available in SOT-23-6 package.
Pin Assignments K Package (SOT-23-6) Pin 1 Mark GND 1 2 3 6 5 4 GATE FB VCC CTRL SENSE Features             Very Low Start-up Current Current Mode Control Non-audible-noise Green-mode Control Skip Mode Adjustable Internal Slope Compensation Soft Start During Startup Process Frequency Fold Back for High Average Efficiency Secondary Short Winding Protection with FOCP Soft Switching for Reducing EMI VCC Maintain Mode Latch Function for OTP/OVP Useful Pin Fault Protection: SENSE Pin Floating CTRL Pin Short to Ground FB/Opto-coupler Open/Short Comprehensive System Protection Feature: VCC Over Voltage Protection (VOVP) Over Load Protection (OLP) Mini Size with Packages Pin to Pin Compatible with AP3103 Applications     Switching AC-DC Adapter/Charger ATX/BTX Auxiliary Power Set-top Box(STB) Power Supply Open Frame Switching Power Supply    AP31...


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