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ISL1904FAZ 数据表(PDF) 2 Page - Intersil Corporation |
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ISL1904FAZ 数据表(HTML) 2 Page - Intersil Corporation |
2 / 21 page Functional Block Diagram - ISL1904 OUT PWM COMPARATOR PWM LATCH + - S R Q Q + - RAMP AC CRCM DETECTOR FMAX CLAMP 200mV + - MASTER OSCILLATOR REFERENCE OUT DUTY CYCLE TO VOLTAGE CONVERTER LOW PASS FILTER + - - DELADJ + - TRIANGLE WAVE GENERATOR CLK - + PWMOUT VERR 600mV DIMMING PWM EA1 CRCM OSCILLATOR/PWM/ERROR AMPLIFIERS OC LEADING EDGE BLANKING FB1 QUASI-ZVS DELAY IOUT REFINBUFF PRIMARY OC CLK FMIN CLAMP PEAK DETECTO R 1/5 SS/5 1/5 VERR/5 PWM VERR _ + + BIAS AND REFERENCE GENERATOR GND VDD UVLO + - VREF OTP SHUTDOWN 150 °C TO 170 °C BIAS/UVLO/OTP + - CS+ ISENSE IOUT - + OFFREF MINIMUM DIMMING LEVEL CONTROL 0.25V SS LOW FAULT LATCH + - S R Q Q SS + - 300ms SOFT-START ENABLE + - 1.50 V BG INHIBIT INHIBIT VERR CLAMP OVP REF REFERENCE SS AC-PRESENT SS REFINBUFF REFERENCE SS BUFFER AC DETECTION SOFT-START/POR/ OVP DHC PRIMARY CURRENT SENSE PROCESSOR |
类似零件编号 - ISL1904FAZ |
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类似说明 - ISL1904FAZ |
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