FAN6862 Highly Integrated Green-Mode PWM Controller Features Description Low Startup Current: 8µA PWM Frequency Continuously Decreasing with Burst Mode at Light Loads VDD Over-Voltage Protection (OVP) A highly integrated PWM controller, FAN6862 provides several features to enhance the performance of flyback converters. To minimize standby power consumption, a proprietary green-mode function provides off-time modulation to continuously decrease the switching frequency under light-load conditions. Under zero-load conditions, the power supply enters burst-mode, which completely shuts off PWM output. Output restarts just before the supply voltage drops below the UVLO lower limit. This green-mode function enables power supplies to meet international power conservation requirements. Feedback Open-Loop Protection with 56ms Delay Low Operating Current in Green Mode: 3mA Peak-Current Mode Operation with Cycle-by-Cycle Current Limiting Constant Output Power Limit (Full AC Input Range) Internal Latch Circuit for OVP, OTP Fixed PWM Frequency (65KHz) with Frequency Hopping Soft Start Time: 4ms 400mA Driving Capability Applications General-purpose switch-mode power supplies and flyback power converters, including: Power Adapters The FAN6862 is designed for SMPS and integrates a frequency-hopping function that helps reduce EMI emission of a power supply with minimum line filters. The built-in synchronized slope compensation is proprietary sawtooth compensation for constant output power limit over universal AC input range. The gate output is clamped at 18V to protect the external MOSFET from over-voltage damage. Other protection functions include VDD over-voltage protection and over-temperature protection. For overtemperature protection, an external NTC thermistor can be applied to sense the ambient temperature. When VDD OVP or OTP is activated, an internal latch circuit latches off the controller. Open-Frame SMPS SMPS with Surge-Current Output, such as for Printers, Scanners, and Motor Drivers Part Number OVP OTP OLP FAN6862TY Latch Latch Auto Restart FAN6862NY Latch Latch Auto Restart Ordering Information Part Number Operating Temperature Range FAN6862TY -40 to +105°C Green 6-Pin SSOT-6 FAN6862NY -40 to +105°C Green 8-Pin Dual In-Line Package (DIP) Eco Status Package Packing Method Tape & Reel Tube For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com FAN6862 — Highly Integrated Green-Mode PWM Controller January 2010 Figure 1. Typical Application Block Diagram FAN6862 — Highly Integrated Green-Mode PWM Controller Typical Application Figure 2. Block Diagram © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 2 FAN6862 — Highly Integrated Green-Mode PWM Controller Marking Information ABx: TT: yyyy: _ _ _: ABD: FAN6862TY Wafer Lot Code Year Code Week Code F – Fairchild Logo Z – Plant Code X – 1-Digit Year Code Y – 1-Digit Week Code TT – 2-Digit Die Run Code T – Package Type (N:DIP) P – Y: Green Package M – Manufacture Flow Code Figure 3. Top Mark Pin Configuration Figure 4. SSOT-6 Figure 5. DIP-8 Pin Definitions Pin # DIP8 Pin # SSOT-6 Name 8 1 GND 7 2 6 Ground. FB Feedback. The FB pin provides the output voltage regulation signal. It provides feedback to the internal PWM comparator, so that the PWM comparator can control the duty cycle. This pin also provide for OLP: if VFB is larger than the trigger level and delays for a long time, the controller stops and restarts. NC No Connect Pin Temperature Detection. An external NTC thermistor is connected from this pin to GND for over-temperature protection. The impedance of the NTC decreases at high temperatures. Once the voltage of the RT pin drops below a threshold, PWM output is disabled. 5 3 RT 4 4 SENSE 3 Description Current Sense. This pin senses the voltage across a resistor. When the voltage reaches the internal threshold, PWM output is disabled. This activates over-current protection. This pin also provides current amplitude information for current-mode control. NC No Connect Pin 2 5 VDD Power Supply. 1 6 GATE Driver Output. The totem-pole output driver for driving the power MOSFET. © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 3 Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. All voltage values, except differential voltages, are given with respect to GND pin. Symbol Parameter VDD Supply Voltage VL Input Voltage to FB, SENSE, RT Pin PD Power Dissipation at TA<50°C ΘJC Thermal Resistance (Junction-to-Case) TJ TSTG TL ESD Min. Max. Unit 30 V -0.3 7.0 V SSOT-6 300 DIP-8 800 SSOT-6 115 DIP-8 67 mW °C/W Operating Junction Temperature -40 +150 °C Storage Temperature Range -55 +150 °C +260 °C Lead Temperature, Wave Soldering, 10 Seconds Human Body Model, JESD22-A114 3.00 Charge Device Model, JESD22-C101 1.25 kV Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol TA Parameter Operating Ambient Temperature © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 Min. Max. Unit -40 +105 °C FAN6862 — Highly Integrated Green-Mode PWM Controller Absolute Maximum Ratings www.fairchildsemi.com 4 VDD = 15V and TA = 25°C unless otherwise noted. Symbol Parameter Test Condition Min. Typ. Max. Unit VDD Section VDD-OP Continuously Operating Voltage 24 V VDD-ON Turn-on Threshold Voltage 15 16 17 V VDD-OFF Turn-off Voltage 7.5 8.5 9.5 V VDD-LH Threshold voltage for Latch-Off release 3 4 5 V IDD-ST Startup Current VDD-ON–0.16V 8 30 μA IDD-OP Normal Operating Supply Current CL=1nF 3 4 mA IDD-BM Green-Mode Operating Supply Current GATE open, VFB=VFB-G 2.5 mA VDD-OVP VDD Over-Voltage Protection tD-VDDOVP VDD OVP Debounce Time IDD-LH Latch-Off Holding Current 24 25 26 V 30 50 μs 40 65 μA 1/4.0 1/3.5 1/3.0 V/V VDD=5V Feedback Input Section AV Input-Voltage to Current-Sense Attenuation ZFB Input Impedance 5.5 kΩ VFB-OPEN FB Pin Open Voltage 5.0 5.2 5.4 V VFB-OLP Threshold Voltage for Open-Loop Protection 4.3 4.6 4.9 V tD-OLP Open-Loop Protection Delay Time 53 56 60 ms 100 250 ns FAN6862 — Highly Integrated Green-Mode PWM Controller Electrical Characteristics Current Sense Section tPD Delay to Output tLEB Leading-Edge Blanking Time 270 360 ns VSTHFL Flat Threshold Voltage for Current Limit Duty>51% 0.5 V VSTHVA Valley Threshold Voltage for Current Limit Duty=0% 0.44 V VSLOPE Slope Compensation Duty=DCYMAX 0.273 V 4 ms tSOFT-START Period During Startup time Oscillator Section Center Frequency fOSC VFB>VFB-N 62 65 Normal PWM Frequency Hopping Range VFB≥VFB-N ±4.2 Hopping Range VFB=VFB-G ±2.9 68 kHz thop-1 Hopping Period 1 VFB≥VFB-N 4.4 ms thop-3 Hopping Period 3 VFB=VFB-G 11.5 ms fOSC-G Green Mode Minimum Frequency 22.5 kHz VFB-N FB Threshold Voltage For Frequency Reduction 2.2 V VFB-G FB Voltage at fOSC-G 2.1 V VFB-ZDC FB Threshold Voltage for Zero Duty 1.7 fDV Frequency Variation vs. VDD Deviation VDD=11.5V to 20V fDT Frequency Variation vs. Temperature Deviation TA= -40 to +105°C 0 0.02 V 2.00 % 2 % Continued on the following page… © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 5 VDD = 15V and TA = 25°C unless otherwise noted. Symbol Parameter Test Condition Min. Typ. Max. Unit PWM Output Section DCYMAX Maximum Duty Cycle 70 VOL Output Voltage Low VDD=15V, IO=50mA VOH Output Voltage High VDD=8V, IO=50mA tR Rising Time CL=1nF 150 tF Falling Time CL=1nF 35 Gate Output Clamping Voltage VDD=20V VCLAMP % 1.5 6 15.0 V V 16.5 200 ns ns 18.0 V Over-Temperature Protection (OTP) Section IRT Output Current of RT Pin 100 VOTP Threshold Voltage for Over-Temperature Protection tDOTP Over-Temperature Debounce Time VOTP2 2 Threshold Voltage for Over-Temperature Protection tDOTP2 2 TA=25°C 0.95 1.00 VFB=VFB-N 17 VFB=VFB-G 51 μA 1.05 V ms nd nd Over-Temperature Debounce Time © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 TA=25°C 0.60 0.70 100 0.75 V μs FAN6862 — Highly Integrated Green-Mode PWM Controller Electrical Characteristics (Continued) www.fairchildsemi.com 6 9.5 16.6 9.1 VDD-OFF (V) VDD-ON (V) 17 16.2 15.8 15.4 8.7 8.3 7.9 15 7.5 -40 -30 -15 0 25 50 75 85 100 125 -40 -30 -15 Temperature (ºC) Turn-on Threshold Voltage (VDD-ON) vs. Temperature Figure 7. 4.5 26 4.1 25.6 3.7 3.3 2.9 50 75 85 100 125 Turn-off Threshold Voltage (VDD-OFF) vs. Temperature 25.2 24.8 24.4 2.5 24 -40 -30 -15 0 25 50 75 85 100 125 -40 -30 -15 Temperature (ºC) Figure 8. 0 25 50 75 85 100 125 Temperature (ºC) Operating Current (IDD-OP) vs. Temperature Figure 9. VDD Over-Voltage Protection (VDD-OVP) vs. Temperature 2.2 68 67 2.12 66 VFB-N (V) fOSC (KHz) 25 Temperature (ºC) VDD-OVP (V) IDD-OP (mA) Figure 6. 0 FAN6862 — Highly Integrated Green-Mode PWM Controller Typical Performance Characteristics 65 2.04 1.96 64 1.88 63 62 1.8 -40 -30 -15 0 25 50 75 85 100 -40 125 Temperature (ºC) -15 0 25 50 75 85 100 125 Temperature (ºC) Figure 10. Center Frequency (fOSC) vs. Temperature © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 -30 Figure 11. FB Threshold Voltage for Frequency Reduction (VFB-N) vs. Temperature www.fairchildsemi.com 7 4.9 2.12 4.8 VFB-OLP (V) VFB-G (V) 2.2 2.04 1.96 1.88 4.7 4.6 4.5 1.8 4.4 -40 -30 -15 0 25 50 75 85 100 125 -40 -30 -15 0 Temperature (ºC) Figure 12. FB Voltage at fOSC-G (VFB-G) vs. Temperature 75 85 100 125 0.6 58 0.56 57 VSTHFL (V) tD-OLP (ms) 50 Figure 13. Threshold Voltage for Open-Loop Protection (VFB-OLP) vs. Temperature 59 56 55 0.52 0.48 0.44 54 0.4 53 -40 -30 -15 0 25 50 75 85 100 -40 125 -30 -15 0 25 50 75 85 100 125 Temperature (ºC) Temperature (ºC) Figure 14. Open-Loop Protection Delay Time (tD-OLP) vs. Temperature Figure 15. Flat Threshold Voltage for Current Limit (VSTHFL) vs. Temperature 0.55 5 0.51 4 tSOFT-START (ms) VSTHVA (V) 25 Temperature (ºC) FAN6862 — Highly Integrated Green-Mode PWM Controller Typical Performance Characteristics (Continued) 0.47 0.43 0.39 3 2 1 0.35 0 -40 -30 -15 0 25 50 75 85 100 125 -40 Temperature (ºC) -15 0 25 50 75 85 100 125 Temperature (ºC) Figure 16. Valley Threshold Voltage for Current Limit (VSTHVA) vs. Temperature © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 -30 Figure 17. Period during Startup (tSOFT-START) vs. Temperature www.fairchildsemi.com 8 200 71 180 70 160 tR (ns) DCYMAX (%) 72 69 68 140 120 67 100 -40 -30 -15 0 25 50 75 85 100 125 -40 -30 -15 0 Temperature (ºC) Figure 18. Maximum Duty Cycle (DCYMAX) vs. Temperature 50 75 85 100 125 Figure 19. Rising Time (tR) vs. Temperature 50 120 40 112 30 104 IRT (μA) tF (ns) 25 Temperature (ºC) 20 10 96 FAN6862 — Highly Integrated Green-Mode PWM Controller Typical Performance Characteristics (Continued) 88 0 80 -40 -30 -15 0 25 50 75 85 100 125 -40 Temperature (ºC) -15 0 25 50 75 85 100 125 Temperature (ºC) Figure 20. Falling Time (tF) vs. Temperature © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 -30 Figure 21. Output Current of RT Pin (IRT) vs. Temperature www.fairchildsemi.com 9 FAN6862 — Highly Integrated Green-Mode PWM Controller Operation Description Startup Operation Figure 22 shows a typical startup circuit and transformer auxiliary winding for a FAN6862 application. Before FAN6862 begins switching operation, it consumes only startup current (typically 8μA) and the current supplied through the startup resistor charges the VDD capacitor (CDD). When VDD reaches turn-on voltage of 16V (VDD-ON), FAN6862 begins switching and the current consumed increases to 3mA. Then, the power required is supplied from the transformer auxiliary winding. The large hysteresis of VDD (8.5V) provides more holdup time, which allows using a small capacitor for VDD. The startup resistor is typically connected to AC line for a fast reset of latch protection. Figure 23. PWM Frequency Vo VFB VFB.ZDC (1.7V) Ids Switching Disabled Figure 22. Startup Circuit Switching Disabled Figure 24. Burst Mode Operation Frequency Hopping Green-Mode Operation EMI reduction is accomplished by frequency hopping, which spreads the energy over a wider frequency range than the bandwidth measured by the EMI test equipment. An internal frequency hopping circuit changes the switching frequency between 60.8kHz and 69.2kHz with a period of 4.4ms, as shown in Figure 25. The FAN6862 uses feedback voltage (VFB) as an indicator of the output load and modulates the PWM frequency, as shown in Figure 23, such that the switching frequency decreases as load decreases. In heavy load conditions, the switching frequency is 65KHz. Once VFB decreases below VFB-N (2.2V), the PWM frequency starts to linearly decrease from 65KHz to 22.5kHz to reduce the switching losses. As VFB decreases below VFB-G (2.1V), the switching frequency is fixed at 22.5kHz and FAN6862 enters “deep” green mode, where the operating current decreases to 2.5mA (maximum), further reducing the standby power consumption. As VFB decreases below VFB-ZDC (1.7V), FAN6862 enters burst-mode operation. When VFB drops below VFB-ZDC, FAN6862 stops switching and the output voltage starts to drop, which causes the feedback voltage to rise. Once VFB rises above VFB-ZDC, switching resumes. Burst mode alternately enables and disables switching, thereby reducing switching loss in standby mode, as shown in Figure 24. © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 Figure 25. Frequency Hopping www.fairchildsemi.com 10 Open-Loop / Over-Load Protection (OLP) When the upper branch of the voltage divider for the shunt regulator (KA431 shown) is broken, as shown in Figure 27, no current flows through the opto-coupler transistor, which pulls up the feedback voltage to 5.2V. Self-protective functions include VDD Over-Voltage Protection (OVP), Open-Loop / Overload Protection (OLP), Over-Current Protection (OCP), Short-Circuit Protection, and Over-Temperature Protection (OTP). OLP, OCP, and SCP are auto-restart mode protections; while OVP and OTP are latch-mode protections. When the feedback voltage is above 4.6V longer than 56ms, OLP is triggered. This protection is also triggered when the SMPS output drops below the nominal value longer than 56ms due to the overload condition. Auto-Restart Mode Protection: Once a fault condition is detected, switching is terminated and the MOSFET remains off. This causes VDD to fall because no more power is delivered from auxiliary winding. When VDD falls to VDD-OFF (8.5V), the protection is reset and the operating current reduces to startup current, which causes VDD to rise. FAN6862 resumes normal operation when VDD reaches VDD-ON (16V). In this manner, the auto-restart can alternately enable and disable the switching of the MOSFET until the fault condition is eliminated (see Figure 26). Latch-Mode Protection: Once this protection is triggered, switching is terminated and the MOSFET remains off. The latch is reset only when VDD is discharged below 4V by unplugging AC power line. FAN6862 — Highly Integrated Green-Mode PWM Controller Protections Figure 27. OLP Operation VDD Over-Voltage Protection (OVP) VDD over-voltage protection prevents IC damage caused by over voltage on the VDD pin. The OVP is triggered when VDD reaches 25V. A debounce time (typically 30µs) prevents false triggering by switching noise. Over-Temperature Protection (OTP) The OTP circuit is composed of current source and voltage comparators. Typically, an NTC thermistor is connected between the RT and GND pins. Once the voltage of this pin drops below a threshold of 1.0V, PWM output is disabled after tDOTP debounce time. If this pin drops below 0.7V, it triggers the latch-off protection immediately after tDOTP2 debounce time. Figure 26. Auto Restart Operation Over-Current Protection (OCP) FAN6862 has over-current protection thresholds. It is for pulse-by-pulse current limit, which turns off MOSFET for the remainder of the switching cycle when the sensing voltage of MOSFET drain current reaches the threshold. The other threshold is for the over-current protection, which shuts down the MOSFET gate when the sensing voltage of MOSFET drain current is above the threshold longer than the shutdown delay (56ms). © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 11 Leading-Edge Blanking (LEB) FAN6862 has saw-limiter for pulse-by-pulse current limit, which guarantees almost constant power limit over different line voltages of universal input range. Each time the power MOSFET is switched on, a turn-on spike occurs across the sense-resistor caused by primary-side capacitance and secondary-side rectifier reverse recovery. To avoid premature termination of the switching pulse, a leading-edge blanking time is built in. During this blanking period (360ns), the PWM comparator is disabled and cannot switch off the gate driver. Thus, RC filter with a small RC time constant is enough for current sensing. The conventional pulse-by-pulse current limiting scheme has a constant threshold for current limit comparator, which results in a higher power limit for high line voltage. FAN6862 has a sawtooth current limit threshold that increases progressively within a switching cycle, which provides lower current limit for high line and makes the actual power limit level almost constant over different line voltages of universal input range, as shown in Figure 28. FAN6862 — Highly Integrated Green-Mode PWM Controller Constant Output Power Limit Figure 29. Current Sense R-C Filter Soft-Start Figure 28. Sawtooth Current Limiter © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 The FAN6862 has an internal soft-start circuit that increases pulse-by-pulse current-limit comparator inverting input voltage slowly after it starts. The typical soft-start time is 4ms. The pulsewidth to the power MOSFET is progressively increased to establish the correct working conditions for transformers, rectifier diodes, and capacitors. The voltage on the output capacitors is progressively increased with the intention of smoothly establishing the required output voltage. It also helps prevent transformer saturation and reduces the stress on the secondary diode during startup. www.fairchildsemi.com 12 C1 R3 C 102P/1206 R 47R/1206 N5 2 1 N4 +1 D1 N3 11 R5 R 750K/1206 C3 D1 20A/100V D2 D 1N4007 C82uF/450V 22 Q1 MOS 6A/600V 2 + C11 R10 R 1K/1206 SGN 7 飛線 D3 D 1N4007 1 3 R 0R/0805 + C6 RM8 1 R17 R8 R 0R22/1W R6 R 100/1206 R9 R 0R/0805 U1 GND 1 FB 2 C7 C 102P/0805 RT 3 GND GATE FB VDD RT SENSE R11 FAN6862 R 5.6K/0805 6 GATE D4 5 VDD 1 2 D 1N4148 4 SENSE + C12 C/4.7uF/50V C8 C 471p/0805 + C9 C/10uF/50V NTC2 TTC 100K 1 4 R13 R 560/0805 R12 U3 PC817 K 2 3 R/100/1206 U2 VO LED1 -1 10 YC470p/400V 2 10uH 1 3 N2 3 + VO 1 2 C 330uF/25V 2 1 飛線 1 4 C4 L3 6 C5 C 472pF/1KV R7 R4 R 100K/1206 R 750K/1206 R2 R 1.5M/1206 TR1 N1 1 1 C 680uF/25V 4 2 N1 L2 TRN-0211 C2 1 4 L1 900uH BD1 BD 2A/600V 3 2 R1 R 1.5M/1206 XC 0.33uF/275V 1 M1 MOV 3 NTC1 SCK053 3.15A 3 F1 2 L1 C10 R14 C 0.1uF/0805 R 10K/0805 R16 R 39K/1206 R TL431 A R15 R 10K/0805 Figure 30. 36W (12V/3A) Application Circuit FAN6862 — Highly Integrated Green-Mode PWM Controller Applications Information BOM Designator Part Type Designator Part Type BD1 2KBP06M 2A/600V C8 CC 470pF/50V D1 Y2010DN 20A/100V C9 EC 10µF/50V D2, D3 1N4007 C10 CC 0.1µF/50V D4 1N4148 C12 EC 4.7µF/50V F1 Fuse 3.15A/250V R1, R2 R 1.5MΩ (option) NTC1 NTC Thermistor SCK053 R3 R 47Ω NTC2 NTC Thermistor TTC 100KΩ R4, R5 R 750KΩ (option) L1 900µH R6, R12 R 100Ω L2 10mH R7 R 100KΩ L3 10µH R8 R 0.22Ω / 1W TR1 RM-8 400µH R9 R 0Ω M1 VZ 9G R10 R 1KΩ LED1 LED R11 R 5.6KΩ C1 CC 1nF R13 R 560Ω C2 XC 0.33µF/275V R14, R15 R 10KΩ C3 YC 470pF/400V R16 R 39KΩ C4 EC 82µF/400V U1 IC FAN6862 C5 CC 4.7nF/1KV U2 TL431 C6, C11 EC 680µF/25V U3 PC-817 C7 CC 1nF Q1 MOSFET 6A/600V © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 13 FAN6862 — Highly Integrated Green-Mode PWM Controller Physical Dimensions Figure 31. 6-Pin, SUPERSOT6 “SSOT-6”, JEDEC MO-193, 1.6mm Wide Package Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 14 FAN6862 — Highly Integrated Green-Mode PWM Controller Physical Dimensions 9.83 9.00 6.67 6.096 8.255 7.61 3.683 3.20 5.08 MAX 7.62 0.33 MIN 3.60 3.00 (0.56) 2.54 0.56 0.355 0.356 0.20 9.957 7.87 1.65 1.27 7.62 NOTES: UNLESS OTHERWISE SPECIFIED A) THIS PACKAGE CONFORMS TO JEDEC MS-001 VARIATION BA B) ALL DIMENSIONS ARE IN MILLIMETERS. C) DIMENSIONS ARE EXCLUSIVE OF BURRS, MOLD FLASH, AND TIE BAR EXTRUSIONS. D) DIMENSIONS AND TOLERANCES PER ASME Y14.5M-1994 E) DRAWING FILENAME AND REVSION: MKT-N08FREV2. Figure 32. 8-Pin Dual In-Line Package (DIP) Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 15 FAN6862 — Highly Integrated Green-Mode PWM Controller © 2009 Fairchild Semiconductor Corporation FAN6862 • Rev. 1.0.2 www.fairchildsemi.com 16