ISL6745A Intersil Corporation, ISL6745A Datasheet
ISL6745A
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ISL6745A Summary of contents
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... BiCMOS design also features adjustable switching frequency up to 1MHz, 1A FET drivers, and very low propagation delays for a fast response to overcurrent faults. The ISL6745A is available in a space-saving MSOP-10 package and is guaranteed to meet rated specifications over a wide -40°C to +105°C temperature range. Ordering Information PART TEMP ...
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Internal Architecture V DD UVLO + - INTERNAL BG OT SHUTDOWN 130°C - 150°C GND R 2. RTD V BIAS 160µ PEAK 2. VALLEY 0. DCH ON CS 0.6V PWM ...
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... RTD 3 VERR VR1 ISL2100A VDD VSS ISL6745A 10 VDD VDDP 9 OUTB 8 OUTA 7 6 GND R4 VR2 C5 T1 CR1 CR2 L1 T2 CR3 CR4 C9 R11 R6 R10 TL431 + VOUT + ...
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... Discharge Current Gain C Valley Voltage T C Peak Voltage T 4 ISL6745A Thermal Information Thermal Resistance (Typical, Note 1) 10 Lead MSOP Maximum Junction Temperature . . . . . . . . . . . . . . .-55°C to +150°C Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C Pb-Free Reflow Profile .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp < ...
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... Fall Time THERMAL PROTECTION Thermal Shutdown Thermal Shutdown Clear Hysteresis, Internal Protection NOTES: 3. Limits established by characterization and are not production tested. 5 ISL6745A < 16V 51.1kΩ +25°C; Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise A TEST CONDITIONS ...
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... Typical Performance Curves 0.01 0.02 0.03 0.04 0.05 0.06 RTD CURRENT (mA) FIGURE 1. OSCILLATOR CT DISCHARGE CURRENT GAIN 600 500 400 300 200 100 0 100 200 300 400 500 600 CT (pF) FIGURE 3. CAPACITANCE vs OSCILLATOR FREQUENCY (RTD = 49.9kΩ) 6 ISL6745A 1-10 1-10 100 0.07 0.08 0.09 0.10 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 700 800 900 1k 1.07 1.06 1.05 1.04 1.03 1.02 1.01 1.00 0.99 0. RTD (kΩ ...
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... Oscillator The ISL6745A has an oscillator with a frequency range to 2MHz, programmable using a resistor R The switching period may be considered to be the sum of the timing capacitor charge and discharge durations. The charge duration is determined by C source (assumed to be 160µ ...
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... Soft-start occurs during start-up and after recovery from an overcurrent shutdown. The soft-start voltage is clamped to 4V. Gate Drive The ISL6745A is capable of sourcing and sinking 1A peak current, and may also be used in conjunction with a MOSFET driver such as the ISL6700 for level shifting. To limit the peak current through the IC, an external resistor may be placed between the totem-pole output of the IC (OUTA or OUTB pin) and the gate of the MOSFET ...
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... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 9 ISL6745A ISL6745A M10.118 (JEDEC MO-187BA) 10 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE SYMBOL A ...