isl98602 print page 5 channel dc/dc converter + v on slice + power good features description isim design simulation technical documentation tools and support pricing / samples related devices datasheet isl98602 5 channel dc/dc converter + v on slice + power good input voltage (v) 9.5 to 15 v boost (v) 10.83 to 19 boost current limit (a) 5.5 v on (v) up to 36 v off (v) down to -10 v logic (v) (vlogic1) 2.5 to 3.3 (vlogic2) 0.9 to 2.0 # of v com n/a # of gamma n/a features automatic start-up sequencing, fault protection input voltage (min) (v) 9.5 input voltage (max) (v) 15 v boost (min) (v) 10.83 v boost (max) (v) 19 v on (min) (v) * v on (max) (v) 36 v off (min) (v) -10 v off (max) (v) * v logic (min) (v) 2.5, 0.9 v logic (max) (v) 3.3, 2 product information key features 9.5v to 15.0v input supply 1.3mhz switching frequency 5.5a integrated boost for up to 19v a vdd v on charge pump, up to 36v and 120ma v off charge pump, down to -10v and 120ma synchronous buck1 for 3.3v/2.5v with 2.0a peak fet synchronous buck2 controller output from 0.9v to 2.0v on-board avdd delay switch v on slice function integrated power good function for tcon enable automatic start-up sequencing uvlo, uvp, ovp, ocp, and otp protection 40 ld 6x6 qfn specified for ambient operation over the -40c to +85c temperature range pb- free (rohs compliant) description the isl98602 represents a high-power, integrated lcd supply ic targeted at large panel lcd displays. the isl98602 integrates a high-power boost converter for avdd generation, v on and v off charge pump drivers, one synchronous buck regulator, and one synchronous buck controller for two logic voltages. the v on slicing circuitry and power good function are also included. pa g e 1 of 3 4/17/2012
operating at 1.3mhz, the avdd boost converter features a 5.5a boost fet. feedback is taken from the far side of the delay fet for improving regulation. the ovp circuit protects output side components. the logic synchronous buck converter features two 2.3a fets operating at 1.3mhz internal clock. the output voltage is set by the ic internally or with a feedback resistor. the soft-start circuitry is also integrated with the buck. the second logic voltage is generated from a synchronous buck converter with mosfet controllers. the overcurrent protection is also integrated with the buck. the charge pump of v on and v off uses the full switching frequency and integrates the driver for high current capability. v on is further processed through an integrated v on slice circuit in order to reduce flicker. alternative fixed voltages at the boost, buck1, buck2, v on charge pump, and v off charge pump are available in isl98602; please contact intersil marketing via e-mail at rmonteir@intersil.com . pricing / packaging / samples / ordering ibuy direct from intersil ibuy direct - out of stock request samples check distributor inventory available in rohs/pb-free part no. design-in status temp. package msl price us $ isl98602iraaz active ind 40 ld qfn 32.50 isl98602iraaz-t active ind 40 ld qfn t+r 32.50 isl98602iraaz-t7a active ind 40 ld qfn t+r 32.75 isl98602iraaz-tk active ind 40 ld qfn t+r 32.50 isl98602irabz active ind 40 ld qfn 32.50 isl98602irabz-t active ind 40 ld qfn t+r 32.50 ISL98602IRABZ-T7A active ind 40 ld qfn t+r 32.75 isl98602irabz-tk active ind 40 ld qfn t+r 32.50 the price listed is the manufacturer's suggested retail price for quantities of 1k units. however, prices in today's market are fluid and may change without notice. msl = moisture sensitivity level - per ipc/jedec j-std-020 smd = standard microcircuit drawing technical documentation datasheet(s): 5 channel dc/dc converter + v on slice + power good technical homepage: display products tools and support isim design simulation no models available application block diagrams lcd-tv panel applications lcd tv related devices parametric table el7515 high frequency pwm step-up regulator el7520 4-channel dc/dc controller pa g e 2 of 3 4/17/2012
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