HV9986K6-G Supertex, HV9986K6-G Datasheet
HV9986K6-G
Specifications of HV9986K6-G
Related parts for HV9986K6-G
HV9986K6-G Summary of contents
Page 1
... Supertex inc. Three-Channel, Closed-Loop, Switch Mode LED Driver IC with External Reset Features ► Switch mode controller for single-switch converters ► Gate drivers optimized for driving Logic Level FETs ♦ 0.25A sourcing ♦ 0.5A sinking ► Typical ±2% absolute and string-to-string current accuracy (with ± ...
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... Ordering Information 40-Lead QFN 6.00x6.00mm body Device 1.00mm height (max) 0.50mm pitch HV9986 HV9986K6-G -G indicates package is RoHS compliant (‘Green’) Absolute Maximum Ratings Parameter VIN to GND VDD to GND, VDD 1-3 to GND All other pins to GND Junction temperature Storage ambient temperature range Continuous power dissipation (T A Stresses beyond those listed under “ ...
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... R Resistor divider ratio (∆V RATIO # Denotes specifications guaranteed by design. * The specifications which apply over the full operating temperature range at 0 Supertex inc. (cont.) (The * denotes the specifications which apply over the full operating ambient temperature = 24V ...
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... Reset pull down resistor RST # Denotes specifications guaranteed by design. * The specifications which apply over the full operating temperature range at 0 Supertex inc. ● (cont.) (The * denotes the specifications which apply over the full operating ambient temperature = 24V, V ...
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... Internal Block Diagram θ θ = 120 CLK θ = 240 RT Common Circuitry Circuitry for a single channel STATUS1 FDA RESET PWMD1 100kΩ FLT1 OVP1 + - REF Supertex inc. VIN EN CLK A CLK B Linear CLK C Regulator FCA S Q CLKA FCA + DELAY PWMDA PWMDA ...
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... VIN pin sum of the 1.0mA (max) current drawn by the all the internal circuitry (for all three channels) and the cur- rent drawn by the gate drivers (which in turn depends on the switching frequency and the gate charge of the external FET). Supertex inc 1mA + ( the above equation, f converters and Q FETs (which can be obtained from the FET datasheets) ...
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... CS pin during the time the FET is off. Assuming the worst case switch duty cycle of 92%, 0. • 300Ω • Supertex inc. Assuming a down slope of DS (A/μs) for the inductor current, the current sense resistor and the slope compensation resis- tor can be computed as: (see ...
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... COMP pin is pulled to GND. The corresponding STATUS pin of the channel with the fault is pulled low to indicate a fault condition. The external micro- Supertex inc. processor can then attempt to restart the channel by apply- ing a pulse at the RST pin necessary to ensure that the ...
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... Thus, the total delay time for detecting a short circuit will depend on the condition of the PWMD input. Supertex inc. If the output short circuit exists before the PWM dimming signal goes high, the total detection time will be: ...
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... Layout Guidelines Input Return Terminal Star Connection of GND Reference Supertex inc. GND1 VDD1 HV9986 REF1 VDD REF2 GND GND Tab Connection ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 10 VDD Connection GND2 VDD2 GND3 VDD3 REF3 REF Connection ● Tel: 408-222-8888 ● www.supertex.com ...
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... PWM dimming of the three channels is accomplished by using the PWMD pins. The three pins directly 18 PWMD2 control the PWM dimming of the three channels and a square wave input should be applied at these pins 19 PWMD3 Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 11 ● Tel: 408-222-8888 ● ...
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... GND3 Ground return for each of the channels recommended that all the GNDs of the IC be connected 34 GND2 together in a STAR connection at the input GND terminal to ensure best performance. 39 GND1 Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 12 ● Tel: 408-222-8888 ● ...
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... This dimension is not specified in the JEDEC drawing. † This dimension differs from the JEDEC drawing. Drawings not to scale. Supertex Doc. #: DSPD-40QFNK66X6P050, Version C041009. (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to http://www.supertex.com/packaging.html.) does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives Supertex inc ...