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ISL78229 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL78229 Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 71 page Block Diagram FIGURE 3. BLOCK DIAGRAM VIN_OV 5.2V LDO VIN PVCC VCC SS NTC 1.2*VREF_DAC (Default) 0.8*VREF_DAC (Default) PGOOD VOUT_OV VOUT_UV Gm1 ATRK/DTRK VREF_DAC (1.6V Default) FB COMP ADDR1 CLKOUT ADDR2 PLLCOMP FSYNC SLOPE R2 Q S R1 CSA ISEN1P ISEN1N BOOT1 UG1 PH1 LG1 DE/PHDRP DUPLICATE FOR EACH PHASE ISEN1 105µA OC2_PH1 SDA ISEN1 DROP_PHASE2 SGND 5µA FAULT SCL SALERT LOGIC AND REGISTERS VIN/48 8-bit DAC PVCC PGND PGND VREF_TRK DE MODE AND PHASE DROP MODE SELECTION IMON 2V (DEFAULT) OC_AVG Gm2 PROGRAMMABLE ADAPTIVE DEAD TIME RDT RBLANK HIC/LATCH LP Filter TRACK VREF_2.5V 1k M U X SS CLOCK VRAMP 80µA OC1_PH1 -48µA OC_NEG_PH1 ISEN1 ISEN1 2µA ISEN1 20µA VCO PLL CLOCK SLOPE COMPENSATION I2C/PMBus INTERFACE ATRAK/ DTRK ÷ 48 POR 1.2V EN EN EN VIN/48 OTP PLL SOFT-START DELAY AND LOGIC EN_SS PWM CONTROL ZCD_PH1 17µA 3.47V VREF_TRK 0.3V SS HICCUP /LATCH-OFF Rising Delay 1.1V PHASE_DROP 1.6V (DEFAULT) 1.21V VREF_CC VREF_ VOUTOV 3 bits [2:0] D3h VREF_ VOUTUV 3 bits [2:0] D4h 3 bits [2:0] D5h 112µA 112µA ÷ 8 ISEN1 ÷ 8 ISEN2 IOUT N.C. PAD VIMON VFB VFB FAULT INITIALIZATION DELAY 8 bits [7:0] 21h M U X VNTC VFB VIMON 10-bit ADC EN_DE PHASE DROP CONTROL EN_PHASE_DROP HICCUP RETRY DELAY DEFAULT SELECTION D2h LATCH-OFF LOGIC SS_DONE EN_HICCP EN_LATCHOFF IBIAS (PH1) (PH2) PWM Comparator CMP_PD CMP_OCAVG DCC EN OT_NTC_WARN VOUT_OV VOUT_UV OC_AVG OT_NTC_FAULT VIN_OV OC2_PEAK_PH1 OC2_PEAK_PH2 PLLCOMP_SHORT VREF_ OCAVG 3 bits [2:0] D6h PLL_LOCK |
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Similar Description - ISL78229 |
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