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ISL6405ER-T Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL6405ER-T Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 13 page 6 22kHz TONE SECTION Tone Frequency ftone ENT1/2 = H 20.0 22.0 24.0 kHz Tone Amplitude Vtone ENT1/2 = H 500 680 800 mV Tone Duty Cycle dctone ENT1/2 = H 405060 % Tone Rise or Fall Time Tr, Tf ENT1/2 = H 5 8 14 µs LINEAR REGULATOR Drop-out Voltage Iout = 750mA (Note 8) - 1.2 - V DSQIN PIN DSQIN pin logic Low - - 1.5V V DSQIN pin Logic HIGH 3.0 - - V DSQIN pin Input Current -1- µA CURRENT SENSE Pulse by Pulse Current Limit (max Vin) 150 200 250 mV Input Bias Current IBIAS - 700 - nA Over Current Threshold Static current mode, DCL = H 325 400 500 mV ERROR AMPLIFIER Open Loop Voltage Gain AOL (Note 8) 70 88 - dB Gain Bandwidth Product GBP (Note 8) 10 - - MHz PWM Maximum Duty Cycle 90 93 - % Minimum Pulse Width (Note 8) - 20 - ns OSCILLATOR Oscillator Frequency fo Fixed at (10)(ftone) 200 220 240 kHz Thermal Shutdown Temperature Shutdown Threshold (Note 8) - 150 - Temperature Shutdown Hysteresis (Note 8) - 20 - NOTES: 6. Internal Digital Soft-start 7. VO1 for LNB1, VO2 for LNB2. Voltage programming signals VSEL1, VSEL2, LLC1, and LLC2 are implemented via the I2C bus. IO1 = IO2 = 350mA/750mA. 8. Guaranteed by Design Electrical Specifications VCC = 12V, TA = -20oC to +85oC, unless otherwise noted. Typical values are at TA = 25oC. EN1 = EN2 = H, LLC1 = LLC2 = L, ENT1 = ENT2 = L, DCL = L, DSQIN1 = DSQIN2 = L, Iout = 12mA, unless otherwise noted. See software description section for I2C access to the system. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS ISL6405 |
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