FSDM0365RNB Fairchild Semiconductor, FSDM0365RNB Datasheet
FSDM0365RNB
Specifications of FSDM0365RNB
FSDM0365RNB_NL
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FSDM0365RNB Summary of contents
Page 1
... FSDL0365RNB, FSDM0365RNB Green Mode Fairchild Power Switch (FPS Features • Internal Avalanche Rugged Sense FET • Consumes only 0.65W at 240VAC & 0.3W load with Advanced Burst-Mode Operation • Frequency Modulation for low EMI • Precision Fixed Operating Frequency • Internal Start-up Circuit • ...
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... FSDL0365RNB, FSDM0365RNB Internal Block Diagram + V /V BURL BURH - V BURH Vcc Vcc I I delay 2. Vcc Vovp TSD 2 Vcc 2 8V/12V Vcc Freq. Modulation I B_PEAK OSC Normal PWM Burst Vcc good R Q Figure 2. Functional Block Diagram of FSDx0365RNB Vstr 5 I start Vcc good Internal Vref ...
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... The Drain pin is designed to connect directly to the primary lead of the trans- former and is capable of switching a maximum of 650V. Minimizing the length of the trace connecting this pin to the transformer will decrease leak- age inductance. 8DIP Drain GND 1 8 Vcc 2 Drain 7 Vfb 6 Drain 3 Ipk 4 5 Vstr Figure 3. Pin Configuration (Top View) FSDL0365RNB, FSDM0365RNB 3 ...
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... FSDL0365RNB, FSDM0365RNB Absolute Maximum Ratings (Ta=25°C, unless otherwise specified) Characteristic Maximum Drain Pin Voltage Maximum Vstr Pin Voltage (1) Drain Current Pulsed Single Pulsed Avalanche Energy Maximum Supply Voltage Analog Input Voltage Range Total Power Dissipation Operating Junction Temperature. Operating Ambient Temperature. ...
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... OSC FSDL0365RNB F MOD -25°C ≤ Ta ≤ 85°C - (2) D MAX D MIN V V =GND START =GND STOP =GND =4V S BURH V - BURL I Max. inductor current OVER T CLD FSDL0365RNB, FSDM0365RNB Min. Typ. Max. = =125°C C =0. 315 =25V 11.2 =1. 28 ±1.5 ±2 ±1.0 ±1.5 - ±5 71 ...
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... FSDL0365RNB, FSDM0365RNB Shutdown Feedback Voltage Over Voltage Protection Shutdown Feedback Delay Current Leading Edge Blanking Time TOTAL DEVICE SECTION Operating Current Start Up Current Vstr Supply Voltage Note: ≤ 1. Pulse test: Pulse width 300uS, duty 2. These parameters, although guaranteed, are tested in EDS (wafer test) process 3 ...
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... Reduced conducted EMI ±1.5KHz @50KHz Yes-built into • Improve light load efficiency controller • Reduces no-load consumption • Transformer audible noise reduction 7.62mm • Greater immunity to arcing as a result of build-up of dust, debris and other contaminants FSDL0365RNB, FSDM0365RNB 7 ...
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... FSDL0365RNB, FSDM0365RNB Typical Performance Characteristics (Sense FET part) 8.0 7.5 7.0 6.5 6.0 5 5.0 4.5 4.0 3.5 3.0 2 Drain Current [A] D On-Resistance vs. Drain Current 700 600 C 500 iss C 400 oss 300 C rss 200 100 - Drain-Source Voltage [V] DS Capacitance vs. Drain-Source Voltage Top : 15 ...
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... D=0.5 0.2 0.1 0.05 0.02 0.01 single pulse 1E-4 1E-3 0.01 0 Square Wave Pulse Duration [sec] 1 Thermal Response FSDL0365RNB, FSDM0365RNB 2.5 2.0 1.5 1.0 0.5 - 100 Junction Temperature [ J On-Resistance vs. Temperature 50 75 100 T , Case Temperature [ ] ℃ C Max. Drain Current vs. Case Temperature ※ ...
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... FSDL0365RNB, FSDM0365RNB Typical Performance Characteristics (Control Part) (These characteristic graphs are normalized 1.20 1.00 0.80 0.60 0.40 0.20 0.00 - emp[ ℃ ] Operating Frequency (Fosc) 1.20 1.00 0.80 0.60 0.40 0.20 0.00 - emp[ ℃ ] Maximum duty cycle (Dmax) 1.20 1.00 0.80 0.60 ...
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... T emp[ ℃ ] Burst peak current (Iburst) (Continued) 50 100 150 50 100 150 50 100 150 FSDL0365RNB, FSDM0365RNB 1.20 1.00 0.80 0.60 0.40 0.20 0.00 - emp[ ℃ ] Peak current limit (Iover) 1.20 1.00 0.80 0.60 0.40 0.20 0.00 ...
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... FSDL0365RNB, FSDM0365RNB Functional Description 1. Startup : In previous generations of Fairchild Power Switches (FPS) the Vstr pin had an external resistor to the DC input voltage line. In this generation the startup resistor is replaced by an internal high voltage current source and a switch that shuts off when 15mS goes by after the supply voltage, Vcc, gets above 12V ...
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... V BURH limit is set to a fixed limit internally to minimize flux density in the transformer. The fixed current limit is larger than that defined by Vfb = V further. Switching continues until the feedback voltage drops below V FSDL0365RNB, FSDM0365RNB Drain current [A] 1mS 14steps 15steps Current limit 5 V ...
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... EMI reduction is directly related to the depth of the reference frequency. As can be seen in Figure 10, the fre- quency changes from 65KHz to 69KHz in 4mS for the FSDM0365RNB. Frequency modulation allows the use of a cost effective inductor instead input mode choke to satisfy the requirements of world wide EMI limits. ...
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... XkΩ 1.3kΩ, Since X represents the resistance of the parallel network, A can be calculated using the following equation (X/2.8kΩ)) Ω PWM comparator SenseFET Rsense Sense FSDL0365RNB, FSDM0365RNB 15 ...
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... D15 will be better.) is used to minimize the voltage error for the higher voltage outputs. Due to the high ambient operating temperature requirement typical of a set-top box (60 °C) the FSDM0365RNB is used to reduce conduction losses without a heatsink. Resistor R5 sets the device current limit to limit overload power. ...
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... PIN SPEC 800uH ± 10 15uH MAX. FSDL0365RNB, FSDM0365RNB 6mm P/2 N 23V N 17V 3.3V bottom N P/2 W INDING M ETHOD SOLENOID W INDING STACK W INDING ...
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... FSDL0365RNB, FSDM0365RNB Layout Considerations DC_link Capacitor #1 : GND #2 : VCC #3 : Vfb #4 : Ipk #5 : Vstr #6 : Drain #7 : Drain #8 : Drain Figure 14. Layout Considerations for FSDx0365RNB using 8DIP 18 SURFACE MOUNTED COPPER AREA FOR HEAT SINKING - + DC OUT Y1- CAPACITOR ...
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... Package Dimensions 8DIP FSDL0365RNB, FSDM0365RNB 19 ...
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... FSDL0365RNB, FSDM0365RNB Ordering Information Product Number Package FSDM0365RNB 8DIP FSDL0365RNB 8DIP 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 ...