FAN7544M Fairchild Semiconductor, FAN7544M Datasheet
FAN7544M
Specifications of FAN7544M
FAN7544M_NL
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FAN7544M Summary of contents
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... V − CPH 2V 5V ©2004 Fairchild Semiconductor Corporation Descriptions The FAN7544 provides simple and high performance elec- tronic ballast control functions. The FAN7544 is optimized for electronic ballast requiring a minimum board area, by reducing component counts and lowering power dissipation. The features include programmable preheating time and fre- quency and programmable run frequency ...
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FAN7544 Pin Assignments Pin Definitions Pin Number Pin Name 1 RPH CPH 5 GND 6 OUT2 7 OUT1 RPH CPH 4 YWW : Work Week ...
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Absolute Maximum Ratings Parameter Supply Voltage Peak Drive Output Current Output Drive Clamping Diode Current CPH, CT, RT, and RPH Pins Input Voltage Operating Temperature Range Storage Temperature Range Power Dissipation Thermal Resistance (Junction-to-Air) Temperature Characteristics (-25°C ≤ Ta ≤ ...
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FAN7544 Electrical Characteristics Unless otherwise specified, for typical values Vcc=15V, Ta=25°C -25°C ≤ Ta ≤ 125°C and 12.7V ≤ V temperature range with Parameter UNDER VOLTAGE LOCK OUT SECTION Start Threshold Voltage UVLO Hysteresis SUPPLY CURRENT SECTION Start Up Supply ...
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Typical Characteristics 0.008 0.008 0.007 0.007 0.006 0.006 0.005 0.005 0.004 0.004 0.003 0.003 0.002 0.002 0.001 0.001 0.000 0.000 -0.001 -0.001 Vcc[V] Vcc[V] Figure 1. UVLO 14.0 14.0 14.0 13.5 13.5 13.5 13.0 ...
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FAN7544 Typical Characteristics(Con’t) 120 120 110 110 100 100 Rph [kΩ] Rph [kΩ] Figure 6. Preheating Frequency, C 130 130 120 120 110 110 100 100 90 90 ...
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Application Information Start-up Circuit The start-up current is supplied to the IC through the start up resistor (Rst). In order to reduce the power dissipation in Rst, the Rst is connected to the full wave rectified output voltage. The following ...
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FAN7544 Operating Mode Vcc Vth(st =1.6µA CPH CPHL 5V 2. pre f pre f run preheating t ph The FAN7544 has three operating mode as was shown in the figure 12. 1) Preheating Mode The preheating ...
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Application Circuit <32W×2 Lamps Ballast> C1 D12 D13 D10 D11 1 NTC CY1 CY2 CX2 LF1 CX1 TNR F1 AC INPUT C53 R50 T1 1 R52 C52 8 7 FAN7544 ZD50 1 CT RPH ...
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FAN7544 Components List (for Wide-Range 32W× 2Lamps Application) Part number INPUT PART F1 CX1 CX2 CY1, CY2 TNR NTC D10, D11, D12, D13 PFC PART R1, R2 R10 R11 R12 R13 R14 VR1 ...
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Part number R102, R202 R103, R203 R106, R206 C50 C51 C52, C53 C54 C55, C56, C57, C58 CT CPH C100, C101, C200, C201 C102, C202 L100, L200 T1 Q50 M50, M51 500V, 5A, Power Mosfet D50, D51, D100, D101, D200, ...
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FAN7544 Mechanical Dimensions Package 12 Dimensions in millimeters/inches 8-SOP-225 ...
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Mechanical Dimensions Package (Continued) 8-DIP-300 Dimensions in millimeters/inches FAN7544 13 ...
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... Package FAN7544N 8DIP FAN7544M 8SOP FAN7544MX 8SOP DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...