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ISL6529CRZ-T Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL6529CRZ-T Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 19 page 6 FN9070.5 April 12, 2005 Functional Pin Descriptions LGATE (Pin 1), (Pin 16 QFN) Lower gate drive output. Connect to gate of the low-side MOSFET. PGND (Pin 2), (Pin 1 QFN) This pin is the power ground return for the lower gate driver. GND (Pin 3), (Pin 2 QFN) Signal ground for the IC. All voltage levels are measured with respect to this pin. Place via close to pin to minimize impedance path to ground plane. 5VCC (Pin 4), (Pin 3 QFN) Provide a well decoupled 5V bias supply for the IC to this pin. The voltage at this pin is monitored for Power-On Reset (POR) purposes. DRIVE2 (Pin 5), (Pin 4 QFN) Connect this pin to the gate terminal of an external N-Channel MOSFET transistor. This pin provides the gate voltage for the linear regulator pass transistor. It also provides a means of compensating the error amplifier for applications where the user needs to optimize the regulator transient response. COMP Low Output, Sink Current IOUT Low 2.5 3.5 - mA Undervoltage Level (VFB/VREF)VUV - 51.5 - % PWM CONTROLLER GATE DRIVERS UGATE and LGATE Maximum Voltage VHGATE 12VCC = 12V 11 12 - V UGATE and LGATE Minimum Voltage VLGATE 12VCC = 12V - 0 0.5 V UGATE and LGATE Source Current IGATE 12VCC = 12V - -1 - A UGATE and LGATE Sink Current IGATE 12VCC = 12V - 1 - A UGATE and LGATE OUTPUT IMPEDANCE RDS(on) 12VCC = 12V - 3.1 4.3 Ω LINEAR REGULATOR (DRIVE2) DC Gain RL = 10K, CL = 10pF - 80 - dB Gain-Bandwidth Product GBWP RL = 10K, CL = 10pF - 15 - MHz Slew Rate SR RL = 10K, CL = 10pF - 6 - V /µs FB2 Input Current II VFB2 = 0.8V - 20 150 nA Drive2 High Output Voltage VOUT High 9.5 10.3 - V Drive2 Low Output Voltage VOUT Low - 0.1 1.0 V Drive2 High Output Source Current IOUT High -0.7 -1.4 - mA Drive2 Low Output Sink Current IOUT Low 0.85 1.2 - mA Over-Voltage Level (VFB2/VREF)VOV Percent of Nominal - 160 - % Under-Voltage Level (VFB2/VREF)VUV Percent of Nominal - 51.5 - % REGULATOR ISOLATION Change in Linear Regulator Output Voltage (Note 4) ∆Vout Linear Output = 2.5V, 6A Load Change on PWM - <0.5 - % Change in PWM Regulator Output Voltage (Note 4) ∆Vout PWM Output = 1.5V, 1A Load Change on Linear - <0.5 - % NOTE: 4. Measured in the evaluation board. Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System Diagrams, and Typical Application Schematic (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS 5VCC GND DRIVE2 FB2 UGATE FB COMP LGATE 14 13 12 11 1 2 3 4 10 9 8 5 6 7 12VCC PGND NC NC = NO INTERNAL NC NC NC CONNECTION ISL6529, ISL6529A |
Similar Part No. - ISL6529CRZ-T |
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Similar Description - ISL6529CRZ-T |
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