ISL1903FAZ-T7A Intersil, ISL1903FAZ-T7A Datasheet
ISL1903FAZ-T7A
Specifications of ISL1903FAZ-T7A
Related parts for ISL1903FAZ-T7A
ISL1903FAZ-T7A Summary of contents
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... FIGURE 1B. CURRENT vs AC CONDUCTION ANGLE FIGURE 1. ISL1903 APPLICATION PERFORMANCE CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 Intersil (and design trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners ...
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Functional Block Diagram - ISL1903 VREF BIAS AND VDD REFERENCE GENERATOR UVLO + - OTP BG SHUTDOWN 150°C TO 170°C GND DUTY CYCLE TO VOLTAGE CONVERTER LOW PASS FILTER REFERENCE OUT CLK MASTER OSCILLATOR REF PEAK DETECTOR AC-PRESENT AC AC ...
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Typical Application - Dimmable Buck LED Driver DIMMER EMI FILTER AC MAINS 1 OUT 16 VDD 2 OFFREF PWMOUT VREF DHC 4 GND 13 IOUT ISL1903 OVP 7 FB RAMP ...
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Typical Application - DC Input Dimmable Buck LED Driver 9V TO 26V 1 OUT 16 VDD 2 OFFREF PWMOUT 15 3 VREF DHC 14 4 GND 13 IOUT ISL1903 OVP 7 FB RAMP ...
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Typical Application - Isolated Dimmable Buck LED Driver DIMMER EMI FILTER AC MAINS 1 OUT 16 VDD 2 OFFREF PWMOUT VREF DHC 4 GND 13 IOUT ISL1903 OVP 7 FB ...
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Pin Configuration Pin Descriptions PIN # SYMBOL 1 VDD VDD is the power connection for the IC. To optimize noise immunity, bypass VDD to GND with a ceramic capacitor as close to the VDD and GND pins as possible. 2 ...
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... VDD greater than 12V. OUT has pull-down capability when UVLO is active or when the IC is not biased. Ordering Information PART NUMBER (Notes MARKING ISL1903FAZ 1903 FAZ ISL1903EVAL2Z Evaluation Board 1. Add “-T*” suffix for tape and reel. Please refer to 2 ...
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... Lead QSOP (Notes 0.3V Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . -55°C to 150°C REF Maximum Storage Temperature Range . . . . . . . . . . . . . . . -65°C to 150°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Operating Conditions Temperature Range ISL1903Fxx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 125°C Supply Voltage Range (Typical VDC = 17V, R ...
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Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram - ISL1903” on page 2 and “Typical Application schematics” beginning on page 3. V +125°C, Typical values are +25°C; Boldface limits apply over the ...
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Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram - ISL1903” on page 2 and “Typical Application schematics” beginning on page 3. V +125°C, Typical values are +25°C; Boldface limits apply over the ...
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Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram - ISL1903” on page 2 and “Typical Application schematics” beginning on page 3. V +125°C, Typical values are +25°C; Boldface limits apply over the ...
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Test Waveforms and Circuits OC THRESHOLD OC LEADING EDGE BLANKING OC PROPAGATION DELAY OC + LEB TO OUT DELAY OUT FIGURE 4. OC +LEB TO OUT DELAY Typical Performance Curves 1.001 1.000 0.999 0.998 0.997 0.996 -40 -25 -10 5 ...
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Functional Description Features The ISL1903 LED driver is an excellent choice for low cost AC mains powered single conversion LED lighting applications. It provides active power factor correction (PFC) to achieve high power factor using critical conduction mode operation, and ...
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TABLE 1. OSCILLATOR DEFINITIONS V = Minimum RMS input voltage mINrms V = Maximum RMS input voltage maxINrms f = Typical frequency when V min(avg) minimum V IN(rms Maximum typical duty cycle desired max D = Minimum typical ...
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AC Detection and Reference Generation The ISL1903 creates 0.5V reference for the LED current control loop by measuring the conduction angle of the AC input voltage. The reference changes only with conduction angle and is virtually unaffected ...
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Control Loop The control loop configuration is user adjustable with the selection of the external compensation components. For applications requiring power factor correction (PFC), a very low bandwidth integrator is used, typically 20Hz or less. In other applications, the control ...
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If the hysteresis was implemented as a fixed voltage instead, the signal could be filtered with a small capacitor ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. ...
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Package Outline Drawing M16.15A 16 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE (QSOP/SSOP) 0.150” WIDE BODY Rev 3, 8/12 16 INDEX AREA 1 TOP VIEW 3 -A- 4.98 4.80 0.635 BSC 0.31 7 0.20 0.17(0.007 SIDE VIEW 1 ...