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ISL6549 Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL6549 Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 18 page 5 FN9168.2 September 22, 2006 ISL6549 Sawtooth Amplitude (Note 6) DVOSC 1.5 V Soft-Start Interval TSS FOSC = 620kHz 6.8 ms REFERENCE VOLTAGE Reference Voltage VREF ISL6549C; For Error Amp 1 and 2 0.792 0.8 0.808 V ISL6549I; For Error Amp 1 and 2 0.788 0.8 0.812 V PWM CONTROLLER ERROR AMPLIFIER DC Gain (Note 6) RL = 10K, CL = 10pF 96 dB Gain-Bandwidth Product (Note 6) GBWP RL = 10K, CL = 10pF 20 MHz Slew Rate (Note 6) SR RL = 10K, CL = 10pF 8 V/µs FB Input Current ⎜I I ⎜ VFB = 0.8V 0.1 1.0 µA COMP High Output Voltage VOUT High 4.8 V COMP Low Output Voltage VOUT Low 0.6 V COMP High Output, Source Current IOUT High -2.8 mA Undervoltage Level (VFB/VREF)VUV 70 75 80 % PWM CONTROLLER GATE DRIVERS UGATE Maximum Voltage VHUGATE VCC12 = 12V; PHASE = 12V 17 17.5 18 LGATE Maximum Voltage VHLGATE VCC12 = 12V; based on PVCC5 voltage 5.25 6 V UGATE and LGATE Minimum Voltage VLGATE VCC12 = 12V; PHASE = 0V 0 0.5 V UGATE Source Output Impedance RDS(ON) VCC12 = 12V; IGATE = 100mA 0.8 Ω UGATE Sink Output Impedance RDS(ON) VCC12 = 12V; IGATE = 100mA 0.7 Ω LGATE Source Output Impedance RDS(ON) VCC12 = 12V; IGATE = 100mA 0.8 Ω LGATE Sink Output Impedance RDS(ON) VCC12 = 12V; IGATE = 100mA 0.4 Ω LINEAR REGULATOR (LDO_DR) DC Gain (Note 6) Gain RL = 10K, CL = 10pF 100 dB Gain-Bandwidth Product (Note 6) GBWP RL = 10K, CL = 10pF 2 MHz Slew Rate (Note 6) SR RL = 10K, CL = 10pF 6 V /µs LDO_FB Input Current ⎜II ⎜ VLDO_FB = 0.8V 0.1 1.0 µA LDO_DR High Output Voltage VOUT High VCC12 = 12V 11.0 11.5 V LDO_DR Low Output Voltage VOUT Low 0.0 0.5 V LDO_DR High Output Source Current IOUT High VOUT = 2.0V 2.0 mA LDO_DR Low Output Sink Current IOUT Low 0.5 mA Undervoltage Level (VLDO_FB/VREF)VUV Percent of Nominal 70 75 80 % NOTES: 4. Current in VCC5 is actually higher disabled, due to extra current required to pull down against the FS_DIS pin. VCC12 current is lower disabled. 5. Guaranteed by design, not production tested. Exceeding the maximum current from PVCC5 may result in degraded performance and unsafe operation. 6. Guaranteed by design, not production tested. Electrical Specifications Recommended Operating Conditions, unless otherwise noted. VCC12 = 12V Temperature = 0 to +70°C (typical = +25°C) for Commercial; Temperature = -40 to + 85°C (typical = +25°C) for Industrial. Refer to Block Diagram, Simplified Power System Diagram, and Typical Application Schematic. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS |
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