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ISL62882HRTZ Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL62882HRTZ Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 42 page 7 FN6890.2 April 29, 2010 CHANNEL FREQUENCY Nominal Channel Frequency fSW(nom) Rfset = 7kΩ, 2-channel operation, VCOMP = 1V 285 300 315 kHz Adjustment Range 200 500 kHz AMPLIFIERS Current-Sense Amplifier Input Offset IFB = 0A -0.15 +0.15 mV Error Amp DC Gain (Note 7) Av0 90 dB Error Amp Gain-Bandwidth Product (Note 7) GBW CL = 20pF 18 MHz ISEN Imbalance Voltage Maximum of ISENs - Minimum of ISENs 1 mV Input Bias Current 20 nA POWER-GOOD AND PROTECTION MONITORS PGOOD Low Voltage VOL IPGOOD = 4mA 0.26 0.4 V PGOOD Leakage Current IOH PGOOD = 3.3V -1 1 μA PGOOD Delay tpgd CLK_ENABLE# LOW to PGOOD HIGH 6.3 7.6 8.9 ms GATE DRIVER UGATE Pull-Up Resistance (Note 7) RUGPU 200mA Source Current 1.0 1.5 Ω UGATE Source Current (Note 7) IUGSRC UGATE - PHASE = 2.5V 2.0 A UGATE Sink Resistance (Note 7) RUGPD 250mA Sink Current 1.0 1.5 Ω UGATE Sink Current (Note 7) IUGSNK UGATE - PHASE = 2.5V 2.0 A LGATE1a and 1b Pull-Up Resistance (Note 7) RLGPU 250mA Source Current 2.0 3 Ω LGATE1a and 1b Source Current (Note 7) ILGSRC LGATE1a and 1b - VSSP1 = 2.5V 1.0 A LGATE1a and 1b Sink Resistance (Note 7) RLGPD 250mA Sink Current 1 1.8 Ω LGATE1a and 1b Sink Current (Note 7) ILGSNK LGATE1a and 1b - VSSP1 = 2.5V 2.0 A UGATE1 to LGATE1a and 1b Deadtime tUGFLGR UGATE1 falling to LGATE1a and 1b rising, no load 23 ns LGATE1a and 1b to UGATE1 Deadtime tLGFUGR LGATE1a and 1b falling to UGATE1 rising, no load 28 ns LGATE Pull-Up Resistance (Note 7) RLGPU 250mA Source Current 1.0 1.5 Ω LGATE Source Current (Note 7) ILGSRC LGATE - VSSP = 2.5V 2.0 A LGATE Sink Resistance (Note 7) RLGPD 250mA Sink Current 0.5 0.9 Ω LGATE Sink Current (Note 7) ILGSNK LGATE - VSSP = 2.5V 4.0 A UGATE to LGATE Deadtime tUGFLGR UGATE falling to LGATE rising, no load 23 ns LGATE to UGATE Deadtime tLGFUGR LGATE falling to UGATE rising, no load 28 ns BOOTSTRAP DIODE Forward Voltage VF PVCC = 5V, IF = 2mA 0.58 V Reverse Leakage IR VR = 25V 0.2 µA PROTECTION Overvoltage Threshold OVH VSEN rising above setpoint for >1ms 150 195 240 mV Electrical Specifications Operating Conditions: VDD = 5V, TA = -40°C to +100°C, fSW = 300kHz, unless otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +100°C. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 6) TYP MAX (Note 6) UNITS ISL62882, ISL62882B |
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