AP8012H

AP8012H High performance Off-line PWM switching power controller——AP8012H  DESCRIPTION AP8012H is and vibrating frequency for low EMI a high-performance  off- line PWM switching power supply controller, which meets With functions of frequency modulation the requirement of No-load power consumption is less than 0.15W green environmental protection. The circuit has builtin high-voltage start loop, soft start loop and PIN CONFIGURATION multiple protection functions, with simplified application periphery and high reliability. Under certain operating conditions, the circuit can also be used as a non-isolated application DIP8 scheme. SOP8 Available in DIP-8/SOP-8 Package. AP8012H 1 8 GND can be widely used in all kinds of economical DRAIN 2 7 GND switching power supply. DRAIN 3 6 COMP DRAIN 4 5 VDD FEATURES  Build-in 750V power MOSFET  Built-in high voltage start-up circuit  AC input voltage range:85V ~ 265V  Latch pulse width modulation, pulse DRAIN TYPICAL APPLICATION  current limiting detection Small household application power  Soft start  Built-in over-load protection(OLP),over  Electromagnetic oven power supplies temperature protection(OTP),VDD  Used throughout the voltage range of 6W supplies over-voltage protection(OVP), output open/short circuit protection function PIN DESCRIPTION PIN SYMBOL DESCRIPTION GND Ground PIN 1. DESCRIPTION DRAIN Internal MOSFET drain 5. 2. 6. 3. COMP Output Feedback 7. 4. VDD Power Supply 8. V1.0 SYMBOL -1- http://www.cschip.com AP8012H ORDERING INFORMATION DEVICE PACKAGE MARKING AP8012H DIP8 AP8012H PACKING Tube 10K/Small Box T&R 4K/reel XXXxX AP8012H SOP8 AP8012H XXXxX BLOCK DIAGRAM Figure.1 V1.0 Functional block diagram of AP8012H -2- http://www.cschip.com AP8012H ABSOLUTE MAXIMUM RATINGS（TA=25℃） PARAMETER SYMBOL VALUE UNIT VDD Pin Voltage VDD -0.3~45.0 V COMP terminal voltage VCOMP -0.3~6.0 V DRAIN terminal voltage VDRAIN -0.3~750 V PN junction to ambient thermal resistance θJA Operating Temperature TJ 0 ~150 ℃ Storage Temperature TSTG -55~150 ℃ ESD(Human Body Model) — 2 KV SOP 85 DIP 55 ℃/W Note：Instant maximum ratings specified will not cause permanent damage to the product, while long maximum ratings specified applied will do and may affect product reliability. ELECTRICAL CHARACTERISTICS（TA=25℃） SYMBOL TEST CONDITION MIN TYP MAX UNIT Working power range VDD — 10 — 35 V Start-up Voltage VDD _ON — 13 15 17 V Shut Down VDD _OFF — 7 8 9 V VDD Restart Voltage VDD_RST — — 6.0 — V VDD Over-voltage Protection Voltage VDD_OVP — 36 40 44 V VDD Start-up Charging Current IHV VAC=85V~265V — 1.25 — mA Start-up Current ISTART — 300 — μA Operating Current ICC VDD = VDD_ON-1V VDD = VDD_ON+1V VCOMP=0.5V — 3.5 6 mA PARAMETER VDD Voltage Section OSCILLATOR Section Initial Accuracy OSC — 38 43 48 kHz Frequency Variation FD — — ±5 — kHz IS — 500 600 700 mA VCOMP_SP — 1.1 1.2 1.3 V Current detection Section Output Limiting Current COMP Sense Section COMP Shut Down V1.0 -3- http://www.cschip.com AP8012H RCOMP — — 1.0 — kΩ Maximum Duty Cycle DMAX — — — 90 % Minimum Duty Cycle DMIN — 5 — — % Minimum Turn On Time TLEB — — 400 — nS Minimum Turn On Time Tonmin — — 800 — nS TSD — — 150 — °C TSD_DLY — — 30 — °C MOSFET Drain Source Voltage Withstand VBVDSS VGS=0V, ID=0.25mA 750 — — V MOSFET On Resistance Rdson ID=1A — 17 — Ω COMP Pin Input Impedance Pulse width modulation Section Temperature protection Sense Section Thermal protection temperature Thermal protection hysteresis temperature Power MOSFET Section APPLICATION CIRCUIT Figure.2 typical application diagram V1.0 -4- http://www.cschip.com AP8012H OUTLINE DRAWING DIP8 Symbol Dimensions In Inches Min Max Min Max A 3.710 4.310 0.146 0.170 A1 0.510 A2 3.200 3.600 0.126 0.142 B 0.380 0.570 0.015 0.022 B1 0.020 1.524(BSC) 0.060(BSC) C 0.204 0.360 0.008 0.014 D 9.000 9.400 0.354 0.370 E 6.200 6.600 0.244 0.260 E1 7.320 7.920 0.288 0.312 e V1.0 Dimensions In Millimeters 2.540(BSC) 0.100(BSC) L 3.000 3.600 0.118 0.142 E2 7.620 9.000 0.300 0.354 -5- http://www.cschip.com AP8012H SOP8 Symbol V1.0 Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.350 1.750 0.053 0.069 A1 0.100 0.250 0.004 0.010 A2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 c 0.170 0.250 0.006 0.010 D 4.700 5.100 0.185 0.200 E 3.700 4.100 0.150 0.157 E1 5.800 6.200 0.228 0.224 e 1.270(BSC) 0.050(BSC) L 0.400 1.270 0.016 0.050 θ 0° 8° 0° 8° -6- http://www.cschip.com