FAN7602BN Fairchild Semiconductor, FAN7602BN Datasheet
FAN7602BN
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FAN7602BN Summary of contents
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... Auxiliary Power Supply Related Application Notes AN6014 - Green Current Mode PWM Controller FAN7602 Ordering Information Operating Temp. Part Number Range FAN7602BN FAN7602BM -25°C to +125°C FAN7602BMX © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Description The FAN7602B is a green current-mode PWM controller. ...
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... OVP Latch SS End 10ms Soft Start 65kHz clock Latch/ Latch 2 Plimit 4V Plimit Offset Generator Figure 2. Functional Block Diagram of FAN7602B © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 FAN7602B Figure 1. Typical Flyback Application V STR 8 Auto Restart Protection Latch Reset Protection Circuit V CC ...
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... Pin Definitions Pin # Name 1 LUVP 2 Latch/Plimit 3 CS/FB 4 GND 5 OUT STR © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0 STR LUVP CS/FB Latch/ Plimit Figure 3. Pin Configuration (Top View) Line Under-Voltage Protection Pin. This pin is used to protect the set when the input voltage is lower than the rated input voltage range. ...
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... V ESD Capability, Charged Device Model ESD_CDM Thermal Impedance Symbol θ Thermal Resistance, Junction-to-Ambient JA Note: 1. Regarding the test environment and PCB type, please refer to JESD51-2 and JESD51-10. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Parameter Parameter 8-DIP 4 Value Unit 20 V +450/-600 mA -0 ...
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... OLP Line Under-Voltage Protection On V LUVPoff to Off Line Under-Voltage Protection Off V LUVPon Over-Voltage Protection OVP Note: 1. These parameters, although guaranteed by design, are not tested in production. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Condition V = 30V 25°C STR A V increasing CC V decreasing 25° ...
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... Figure 6. UVLO Hysteresis vs. Temp. 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 - Temperature [°C] Figure 8. Operating Supply Current vs. Temp. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 8.8 8.4 8.0 7.6 7.2 75 100 125 -25 Figure 5. Stop Threshold Voltage vs. Temp. 350 300 250 ...
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... Temperature [°C] Figure 12. Offset Gain vs. Temp. 20.0 19.6 19.2 18.8 18.4 18.0 - Temperature [°C] Figure 14. OVP Voltage vs. Temp. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 (Continued) 70 CSFB2 CSFB3 -25 75 100 125 Figure 11. Operating Frequency vs. Temp ...
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... Temperature [°C] Figure 16. LUVP On-to-Off Voltage vs. Temp. 1.08 1.04 1.00 0.96 0.92 - Temperature [°C] Figure 18. CS/FB Threshold Voltage vs. Temp. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 (Continued) 1.70 1.65 1.60 1.55 1.50 1.45 1.40 75 100 125 -25 Figure 17. LUVP Off-to-On Voltage vs. Temp. ...
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... S current. The current-sense information is filtered filter composed of R and C F voltage feedback information, I © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 charging C is discharged through R Figure 21 shows typical voltage waveforms of the CS/FB pin. The current-sense waveform is added to the offset voltage, as shown in Figure 21. The CS/FB pin voltage is compared with PWM+ that Plimit offset ...
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... LUVP signal is generated. The com- parator has 0.5V hysteresis. If the LUVP signal is gener- ated, the output drive block is shut down, the output © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 voltage feedback loop is saturated, and the OLP initiates if the LUVP condition persists more than 22ms ...
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... C103 C104 R113 C102 C110 R107 R101 C107 C101 FUSE AC INPUT © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Input Voltage 48W Universal input (85~265V ) AC voltage higher than 8V when the input voltage is 265V CC voltage lower than OVP when the input voltage is 85V CC voltage lower than maximum rating when the output is shorted ...
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... Insulation: Polyester Tape t = 0.03mm, 2 Layers 2 → 1 Np2 Outer Insulation: Polyester Tape t = 0.03mm, 2 Layers 4. Electrical Characteristics Inductance Inductance 5. Core & Bobbin Core: EER2828 Bobbin: EER2828 2 Ae(mm ): 82.1 © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 3mm Shield 5 Shield 5 Figure 26. Inductor Schematic Diagram Wire Turns φ ...
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... R204 27kΩ R205 7kΩ R206 10Ω R207 10kΩ IC IC101 FAN7602B IC201 KA431 OP1, OP2 H11A817B © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Note Part C101 C102 C103, C104 C105 1/4W C106 1/2W C107 1/4W C108 1/4W C109 ...
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... PCB Layout DC Link Figure 27. PCB Layout Recommendations for FAN7602B 8. Performance Data Input Power at No Load Input Power at 0.5W Load OLP Point © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Minimize leakage inductance Out STR Latch/ LUVP CS/FB GND Plimit Place these cap. ...
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... Mechanical Dimensions 8-DIP Dimensions are in inches (millimeters) unless otherwise noted. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 Figure 28. 8-Lead Small Dual In-line Package (DIP) 15 www.fairchildsemi.com ...
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... Mechanical Dimensions 8-SOP Dimensions are in millimeters unless otherwise noted. © 2007 Fairchild Semiconductor Corporation FAN7602B Rev. 1.0.0 (Continued) Figure 29. 8-Lead Small Outline Package (SOP) 16 www.fairchildsemi.com ...
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... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ® ACEx Across the board. Around the world. ActiveArray Bottomless Build it Now CoolFET CROSSVOLT CTL™ Current Transfer Logic™ ...