Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER General Description Features The AP3106 is a high voltage start-up, current mode PWM controller with green-mode power-saving operation. • • • • • • • • • • • • The PWM switching frequency at normal operation is externally programmable and trimmed to a narrow range. The AP3106 integrates a proprietary internal frequency dithering function that helps to reduce EMI emission of a power supply with minimum line filters used. To minimize the standby power consumption, a proprietary adaptive green-mode function is available to implement frequency modulation under light-load conditions. To avoid acoustic noise problems, the minimum PWM frequency is set at about 26kHz. • The AP3106 integrates a lot of functions such as the Lead-Edge Blanking (LEB) of the current sensing, internal slope compensation, line compensation, and several protection features that include cycle-by-cycle current limit (OCP), over voltage protection, OTP, OLP and brownout protection. • AP3106 High-voltage Start-up Circuit Low Start-up Current: 15µA (Max.) Current Mode Control Programmable PWM Switching Frequency Non-audible-noise Green Mode Control LEB (Leading-Edge Blanking) on SENSE Pin Fast OCP for Abnormal Short Circuit Frequency Linearly Decreasing at Light Load Soft Driving Internal Slope Compensation Built-in Brownout Protection Useful Pin Fault Protection CS Pin Floating RI Pin Short to Ground RI Pin Floating Comprehensive System Protection VCC Over Voltage Protection (VOVP) Over Temperature Protection (OTP) Constant Over Load Protection (COLP) Short Circuit Protection (SCP) Compact Size SOIC-7 Package Applications • • • The AP3106 is available in SOIC-7 package to realize a compact size. Switching AC/DC Adaptor LCD Monitor/TV Power Open Frame Switching Power Supply SOIC-7 Figure 1. Package Type of AP3106 Sep. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Pin Configuration M Package (SOIC-7) Figure 2. Pin Configuration of AP3106 (Top View) Pin Description Pin Number Pin Name 1 RI Set the bias current to determine the normal switching frequency 2 FB Voltage feedback pin. By connecting an opto-coupler to close the control loop, it can achieve the system regulation 3 SENSE 4 GND Ground 5 GATE Gate drive output to drive the external MOSFET 6 VCC 7 Sep. 2011 HV Function Current sense pin. Connect it to sense the MOSFET current Supply voltage pin Connect this pin to positive terminal of bulk capacitor to provide the startup current for the controller. When VCC voltage reachs UVLO (on), this HV loop will be turned off to save the power loss of the startup circuit Rev. 1. 0 BCD Semiconductor Manufacturing Limited 2 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Functional Block Diagram HV 7 UVLO Line Sense O/S Protection UVLO UVLO VCC RI 5 GATE Line Sense VCC 16V 8.6V 1 Internal Bias &VREF Relative Blocks 6 OTP VCC OVP 35V 140℃ 25 s Filter OTP OLP 28V VCC OVP OVP PG OLP SCP 35ms Timer D DFF CLK RB OSC with Frequency Dithering FB 0.3V Soft Driver QB 18V R3 Burst Mode OLP OLP R1 FB 2R2 2 PWM OCP 1.1V 0.85V R2 GND Line Sense 4ms Soft Start 4 FOCP 250ns LEB 3 SENSE Figure 3. Functional Block Diagram of AP3106 Sep. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 3 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Ordering Information AP3106 - Circuit Type G1: Green Package M: SOIC-7 Blank: Tube TR: Tape & Reel Package Temperature Range SOIC-7 -40 to 85°C Part Number Marking ID Packing Type AP3106M-G1 3106M-G1 Tube AP3106MTR-G1 3106M-G1 Tape & Reel BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green. Sep. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit VCC 30 V VHV 600 V IGATE 500 mA Input Voltage to FB, SENSE Thermal Resistance (Junction to Ambient) Power Dissipation at TA<25ºC VFB, VSENSE -0.3 to 7 V θJA 186 °C/W PD 550 mW Operating Junction Temperature TJ -40 to 150 °C TSTG 150 °C ESD (Human Body Model) 3000 V ESD (Machine Model) 300 V Power Supply Voltage Input Voltage to High Voltage Pin (HV) GATE Output Current Storage Temperature Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Parameter Symbol Min Max Unit Supply Voltage VCC 10 25 V Ambient Temperature TA -40 85 °C Sep. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 5 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Electrical Characteristics VIN =16V, TA=25°C, unless otherwise specified. Parameter HIGH-VOLTAGE SUPPLY (HV Pin) High-Voltage Current Source Off-State Leakage Current Conditions VCC<UVLO (on) , VHV=400V Min Typ Max Unit 1 2 3.5 mA VCC>UVLO (off), VHV=100V 2.5 VCC>UVLO (off), VHV=400V 10 18 5 15 µA SUPPLY VOLTAGE (VCC Pin) Start-up Current VCC=14.8V µA VFB=0V, CL=1nF 0.2 0.6 1 VFB=3V, CL=1nF 1.5 2.5 3.5 UVLO (on) 15 16 17 V UVLO (off) 7.6 8.6 9.6 V VCC OVP 27 28 30 V Operating Supply Current VCC Clamp ICC=5mA 35 De-latch VCC mA V 3.8 5.7 7 70 75 80 V OSCILLATOR SECTION Maximum Duty Cycle Minimum Duty Cycle 0 Oscillation Frequency RI=100kΩ Green Mode Frequency RI=100kΩ Frequency Temperature Stability -40 to 85°C 5 Frequency Voltage Stability VCC=12V to 30V 5 60 ∆f/center frequency CURRENT SENSE SECTION (SENSE Pin) VHV=100V RI=100kΩ % % % 0.8 0.85 0.9 V 2.5 3 3.5 V/V 150 250 350 ns 100 RI=100kΩ kHz kHz ±6 Delay to Output Soft Start Time 70 28 Frequency Dithering Maximum SENSE Voltage The Ratio of Input Voltage to Current Sense Voltage LEB Time of SENSE 65 % ns 3 4 5 ms -0.6 -0.3 mA 2.1 V FEEDBACK INPUT SECTION (FB Pin) Short Circuit Current VFB=0V Green Mode Threshold VFB Burst Mode Threshold VFB Open Loop Voltage FB pin open Input Impendence Sep. 2011 Rev. 1. 0 0.89 1.15 1.41 V 4.8 5.4 6 V 10 16 22 kΩ BCD Semiconductor Manufacturing Limited 6 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Electrical Characteristics (Continued) VIN =16V, TA=25°C, unless otherwise specified. Parameter Conditions Output Low Level IGATE=50mA, VCC=12V Output High Level IGATE=50mA, VCC=12V Min Typ Max Unit 1 V 8 Output Clamping V 15.5 17.5 19.5 V Rising Time CL=1nF 150 250 350 ns Falling Time CL=1nF 30 50 90 ns 97 105 113 V BROWNOUT PROTECTION Turn-on DC Input (HV), VON R=0k Turn-off DC Input (HV), VOFF R=0k De-bounce Time of Enable De-bounce Time of Turn Off VFB=3V, RI=100kΩ 25 VON-5 V 25 µs 35 45 ms OVER-TEMPERATURE PROTECTION SECTION Shutdown Temperature 140 °C Temperature Hysteresis 20 °C DELAY TIME SECTION Delay 1 Short circuit, OLP, RI=100kΩ Delay 2 VCC OVP, brown out, RI=100kΩ 25 35 45 ms µs 25 Typical Performance Characteristics 16.3 8.60 16.2 8.55 Shutdown Voltage (V) Start-up Voltage (V) 16.1 16.0 15.9 15.8 15.7 8.50 8.45 8.40 8.35 8.30 15.6 8.25 15.5 -60 -40 -20 0 20 40 60 80 100 120 140 8.20 -60 160 -20 0 20 40 60 80 100 120 140 160 Ambient Temperature ( C) Ambient Temperature ( C) Figure 4. Start-up Voltage vs. Ambient Temperature Sep. 2011 -40 o o Figure 5. Shutdown Voltage vs. Ambient Temperature Rev. 1. 0 BCD Semiconductor Manufacturing Limited 7 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Typical Performance Characteristics (Continued) 5.0 2.80 4.8 Operating Current (mA) Start-up Current (µA) 2.75 4.6 4.4 4.2 4.0 3.8 3.6 2.70 2.65 2.60 2.55 2.50 2.45 2.40 3.4 2.35 3.2 -60 -40 -20 0 20 40 60 80 100 120 140 2.30 -60 160 -40 -20 0 20 40 60 80 100 120 140 160 o Ambient Temperature ( C) o Ambient Temperature ( C) Figure 6. Start-up Current vs. Ambient Temperature Figure 7. Operating Current vs. Ambient Temperature 0.90 65.0 Switching Frequency (kHz) 0.89 OCP Voltage (V) 0.88 0.87 0.86 0.85 0.84 0.83 0.82 64.5 64.0 63.5 63.0 62.5 0.81 0.80 -60 -40 -20 0 20 40 60 80 100 120 140 62.0 -60 160 Sep. 2011 -20 0 20 40 60 80 100 120 140 160 o Ambient Temperature ( C) Figure 8. OCP Voltage vs. Ambient Temperature -40 Ambient Temperature ( C) o Figure 9. Switching Frequency vs. Ambient Temperature Rev. 1. 0 BCD Semiconductor Manufacturing Limited 8 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Typical Application Figure 10. Typical Application of AP3106 Sep. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3106 Mechanical Dimensions SOIC-7 Sep. 2011 Rev. 1. 0 Unit: mm(inch) BCD Semiconductor Manufacturing Limited 10 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE IMPORTANT NOTICE BCD Semiconductor BCD Semiconductor Manufacturing Manufacturing Limited Limited reserves reserves the the right right to to make make changes changes without without further further notice notice to to any any products products or or specifispecifications herein. cations herein. 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