ISL97672AIRZ Intersil, ISL97672AIRZ Datasheet
ISL97672AIRZ
Specifications of ISL97672AIRZ
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ISL97672AIRZ Summary of contents
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... AGND IN CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. All other trademarks mentioned are the property of their respective owners. Copyright Intersil Americas Inc. 2011. All Rights Reserved ...
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... PART (Notes MARKING ISL97672AIRZ 672A 20 Ld 3x4 QFN ISL97672AIRZ-EVAL Evaluation Board NOTES: 1. Add “-T*” suffix for tape and reel. Please refer to Tech Brief details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb- free material sets, molding compounds/die attach materials, and ...
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Pin Descriptions (I = Input Output Supply) PIN NAME PIN # TYPE FAULT 1 O Fault disconnect switch. VIN 2 S Input voltage for device and LED power The device needs 4ms for ...
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... Ld QFN Package (Notes Thermal Characterization (Typical QFN Package (Note Maximum Continuous Junction Temperature . . . . . . . . . . . . . . . . .+125°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Operating Conditions Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C and θ thermal resistance ratings +25° ...
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Electrical Specifications All specifications are tested at T PARAMETER DESCRIPTION REGULATOR VDC LDO Output Voltage IVDC_STBY Standby Current VLDO VDC LDO Droop Voltage EN Guaranteed Range for EN Input Low Voltage Low EN Guaranteed Range for EN Input High Voltage ...
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Electrical Specifications All specifications are tested at T PARAMETER DESCRIPTION FAULT PIN I Fault Pull-down Current FAULT V Fault Clamp Voltage with Respect to V FAULT LXstart_thres LX Start-up Threshold ILX LX Start-up Current Startup NOTES: 8. Parameters with MIN ...
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Typical Performance Curves 100 90 80 +25° 0°C +85° FIGURE 7. EFFICIENCY TEMPERATURE AT 20mA (100% LED IN DUTY CYCLE) 1.2 1.0 0.8 ...
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Typical Performance Curves V = 12V, 6P12S 20V/DIV O 2.00µs/DIV I_V = 1A/DIV IN ILED = 20mA/DIV EN FIGURE 13. IN-RUSH AND LED CURRENT 20mA/CHANNEL 6P12S, 20mA/ 10V/DIV IN 10.0ms/DIV I_V IN ...
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Typical Performance Curves PWM DIMMING DUTY CYCLE (%) FIGURE 19. MINIMUM DIMMING LINEARITY AT 200Hz Theory of Operation PWM Boost Converter The current mode PWM boost converter produces the minimal ...
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Dynamic Headroom Control The ISL97672A features a proprietary Dynamic Headroom Control circuit that detects the highest forward voltage string or effectively the lowest voltage from any of the CH0 through CH5 pins. When this lowest channel voltage is lower than ...
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For basic LEDs (which do not have built-in Zener diodes), an open-circuit failure of an LED results only in the loss of one channel of LEDs, without affecting other channels. Similarly, a short-circuit condition on a channel that results in ...
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VIN /FLAG FAULT DRIVER IMAX LOGIC ILIMIT FAULT FLAG CASE FAILURE MODE DETECTION MODE 1 CH0 short circuit Upper Over-Temperature Protection limit (OTP) not triggered, and CH0 < 7.5V 2 CH0 short circuit Upper OTP triggered, but VCH0 < 7.5V ...
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CASE FAILURE MODE DETECTION MODE 6 CH0 LED open circuit Upper OTP triggered, but has paralleled but CH0 < 7.5V Zener 7 CH0 LED open circuit Upper OTP not but has paralleled triggered, but Zener CHx > 7.5V 8 Channel-to-channel ...
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L and f result, for a given switching frequency and minimum input voltage at which the system operates, the inductor I chosen carefully. Usually given inductor size, the larger the inductance, ...
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V = 2.7~26.5V IN Q1(optional) ISL97672A 1 FAULT VBIAS = 5V~12V VIN OVP 16 4 VDC PGND 19 6 /FLAG CH0 10 CH1 11 5 PWM CH2 CH3 13 17 RSET CH4 14 CH5 ...
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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 L20.3x4 20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 1, 3/10 3. PIN 1 INDEX AREA A TOP VIEW (2.65) (3.80) (1.65) (2.80) TYPICAL RECOMMENDED LAND PATTERN 17 ISL97672A A B 20X 4 4.00 0.15 ...