ISL8843_06 INTERSIL [Intersil Corporation], ISL8843_06 Datasheet
ISL8843_06
Related parts for ISL8843_06
ISL8843_06 Summary of contents
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Data Sheet Industry Standard Single-Ended Current Mode PWM Controller The ISL8843 is an industry standard drop-in replacement for the popular 28C43 and 18C43 PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated ...
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Functional Block Diagram V DD START/STOP UV COMPARATOR + - + - GND A 2.5V A=0 Total = 1.15V ERROR AMPLIFIER COMP VREF 100K 2.9V 1.0V 150K OSCILLATOR COMPARATOR < 10nS - RTCT + CLOCK ...
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Typical Application - 48V Input Dual Output Flyback VIN+ R1 36-75V C1 VIN VR1 CR2 C5 CR6 R22 R27 U4 R26 COMP VREF CS FB RTCT ISL8843 R10 CR1 C8 CR5 C21 ...
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Absolute Maximum Ratings Supply Voltage GND - 0.3V to +30.0V DD OUT . . . . . . . . ...
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Electrical Specifications ISL8843A - Typical Application schematic. V are at T PARAMETER FB Input Bias Current COMP Sink Current COMP Source Current COMP VOH COMP VOL PSRR OSCILLATOR Frequency Accuracy Frequency Variation with V DD Temperature Stability Amplitude, Peak to ...
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Electrical Specifications ISL8843M Typical Application schematic. V are at T PARAMETER Long Term Stability Current Limit, Sourcing Current Limit, Sinking CURRENT SENSE Input Bias Current CS Offset Voltage COMP to PWM Comparator Offset Voltage Input Signal, Maximum = ∆V Gain, ...
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Typical Performance Curves 1.01 1 0.99 0.98 -60 -40 - TEMPERATURE (°C) FIGURE 1. FREQUENCY vs TEMPERATURE 1.001 1.000 0.998 0.997 0.996 -60 -40 - TEMPERATURE (°C) FIGURE 3. EA REFERENCE vs ...
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OUT - This is the drive output to the power switching device high current output capable of driving the gate of a power MOSFET with peak currents of 1.0A. This GATE output is actively held low when ...
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The double-pole will be critically damped if the Q-factor is set to 1, over-damped for Q < 1, and under- damped for Q > under-damped condition may result in current loop instability ------------------------------------------------- = π ...
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Example 12V 48V 800µH s Ns/ 8.0µ 200mA O Switching Frequency, Fsw = 200kHz Duty Cycle 28. 499Ω Solve for the current ...
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Small Outline Plastic Packages (SOIC) N INDEX 0.25(0.010) H AREA E - SEATING PLANE - -C- α 0.10(0.004) 0.25(0.010 NOTES: 1. Symbols are defined in the ...
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Mini Small Outline Plastic Packages (MSOP -B- INDEX 1 2 0.20 (0.008) AREA TOP VIEW 0.25 (0.010) GAUGE PLANE SEATING PLANE - 0.10 (0.004) b -H- - 0.20 (0.008) SIDE VIEW 0.20 ...