ISL97682IRTZ-TK Intersil, ISL97682IRTZ-TK Datasheet
ISL97682IRTZ-TK
Specifications of ISL97682IRTZ-TK
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ISL97682IRTZ-TK Summary of contents
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... FIGURE 1B. PWM DIMMING WITH DIMMING FREQUENCY 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. of 45V OUT of 26 ...
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... PART NUMBER (Notes ISL97682IRTZ 7682 ISL97683IRTZ 7683 ISL97684IRTZ 7684 ISL97682IRTZ-EVALZ Evaluation Board ISL97683IRTZ-EVAL Evaluation Board ISL97684IRTZ-EVALZ Evaluation Board NOTES: 1. Add “-T*” suffix for tape and reel. Please refer to These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte 2 ...
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ISL97682, ISL97683, ISL97684 Pin Configurations ISL97682 (16 LD TQFN) TOP VIEW AGND 1 COMP 2 RSET 3 FSW OVP 11 VDC 10 PGND ISL97684 (16 LD TQFN) ...
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ISL97682, ISL97683, ISL97684 Pin Descriptions PIN ISL97682 ISL97683 ISL97684 1 AGND AGND AGND 2 COMP COMP COMP 3 RSET RSET RSET 4 FSW FSW FSW 5 PWMI PWMI PWMI VIN VIN VIN 8 FPWM/ FPWM/ ...
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... Thermal Resistance (Typical TQFN (Notes Thermal Characterization (Typical TQFN (Note 6 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 and θ thermal resistance ratings All specifications below are characterized at T CONDITION T = +25° ...
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ISL97682, ISL97683, ISL97684 Electrical Specifications unless otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) PARAMETER DESCRIPTION D Boost Minimum Duty Cycle MIN F Boost Switching Frequency SW ILX_leakage LX Leakage Current REFERENCE I Channel-to-Channel ...
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ISL97682, ISL97683, ISL97684 Typical Performance Curves 4. (%) FIGURE 3. ISL97683 TYPICAL EFFICIENCY FOR 3P7S, ILED = ...
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ISL97682, ISL97683, ISL97684 Typical Performance Curves 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 MEASURED 0 0.8 1.6 2.4 DC (%) FIGURE 9. CURRENT LINEARITY vs LOW LEVEL PWM DIMMING DUTY CYCLE AT 12V FOR 4P10S AT 20mA/CH ...
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ISL97682, ISL97683, ISL97684 Typical Performance Curves V (1V/DIV) O ILED (20mA/DIV) FIGURE 15. LOAD REGULATION WITH ILED CHANGE FDROM 100 PWM DIMMING Vout OUT EN EN FIGURE 17. IN-RUSH AND LED CURRENT ...
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ISL97682, ISL97683, ISL97684 Theory of Operation PWM Boost Converter The current mode PWM boost converter produces the minimal voltage needed to enable the LED stack with the highest forward voltage drop to run at the programmed current. The ISL97682, ISL97683, ...
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ISL97682, ISL97683, ISL97684 Maximum DC Current Setting The initial brightness should be set by choosing an appropriate value for R . This should be chosen to fix the maximum SET possible LED current as shown in Equation 2 for ISL97682 ...
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Phase Shift Control The ISL97682, ISL97683, ISL97684 are capable of delaying the phase of each current source. Conventional LED drivers exhibit the worst load transients to the boost circuit by turning on all channels simultaneously as shown in Figures 20 ...
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ISL97682, ISL97683, ISL97684 Fault Protection and Monitoring The ISL97682, ISL97683, ISL97684 feature extensive protection functions to cover all the perceivable failure conditions. The failure mode of a LED can be either open circuit short. The behavior of ...
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ISL97682, ISL97683, ISL97684 VIN IMAX LOGIC I LIMIT VIN VSET/2 REG CASE FAILURE MODE DETECTION MODE 1 CH1 Short Circuit Over-Temperature Protection limit (OTP) not triggered and CH1 < 4.4V 2 CH1 Short Circuit OTP triggered but VCH1 < 4.4V ...
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ISL97682, ISL97683, ISL97684 Components Selections According to the inductor Voltage-Second Balance principle, the change of inductor current during the switching regulator On-time is equal to the change of inductor current during the switching regulator Off-time. Since the voltage across an ...
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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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ISL97682, ISL97683, ISL97684 Package Outline Drawing L16.3x3D 16 LEAD THIN QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 0, 3/10 3.00 6 PIN 1 INDEX AREA (4X) 0.15 TOP VIEW (2.80 TYP) ( 1.60) TYPICAL RECOMMENDED LAND PATTERN 17 4X 1.50 A ...