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ISL97644IRZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL97644IRZ Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 15 page 4 FN9228.0 April 11, 2006 VFB Feedback Voltage (VFB)ILOAD = 100mA, TA = 25°C 1.20 1.21 1.22 V ILOAD = 100mA, TA = -40°C to +85°C 1.19 1.21 1.23 V IFB FB Input Bias Current 250 500 nA RDS(ON) Switch On Resistance 150 300 m Ω EFF Peak Efficiency 92 % ILIM Switch Current Limit 2.1 2.6 3.1 A DMAX Max Duty Cycle 85 90 % FOSC Oscillator Frequency FREQ = 0V 550 650 800 KHz FREQ = VIN2 1.0 1.2 1.4 MHz ISS Soft-Start Slew Current SS < 1V, TA = 25°C 2.75 µA LDO REGULATOR VSL Input Voltage Range VIN1 ADJ = LDO_OUT 3.0 5.5 V ADJ OPEN 3.35 5.5 V ADJ = 0V 3.8 5.5 V VLDO Output Voltage ADJ = GND, ILDO = 1mA 3.31 V ADJ = GND, ILDO = 350mA 3.29 V ADJ OPEN, ILDO = 1mA 2.86 V ADJ OPEN, ILDO = 350mA 2.84 V ADJ = LDO_OUT, ILDO = 1mA 2.51 V ADJ = LDO_OUT, ILDO = 350mA 2.49 V ACCLDO Overall Accuracy 1mA < ILDO < 350mA -4 4 % ∆VLDO/∆VIN Line Regulation ILDO = 1mA, 3.0V < VIN1 < 5.5V 2 mV/V ∆VLDO/∆IOUT Load Regulation 1mA < ILDO < 350mA 0.75 % VDO Dropout Voltage Output drops by 2%, ILDO = 350mA 300 500 mV ILIML Current Limit Output drops by 2% 350 400 mA VCOM AMPLIFIER RLOAD = 10K, CLOAD = 10pF, Unless Otherwise Stated VSAMP Supply Voltage 4.5 20 V ISAMP Supply Current 3mA VOS Offset Voltage 320 mV IB Noninverting Input Bias Current 0 100 nA CMIR Common Mode Input Voltage Range 0VDD2 V CMRR Common-Mode Rejection Ratio 50 70 dB PSRR Power Supply Rejection Ratio 70 85 dB VOH Output Voltage Swing High Iout(source) = 5mA VDD2-50 mV VOH Output Voltage Swing High Iout(source) = 50mA VDD2-450 mV VOL Output Voltage Swing Low Iout(sink) = 5mA 50 mV VOL Output Voltage Swing Low Iout(sink) = 50mA 450 mV Electrical Specifications VIN1 =VIN2 = ENABLE = 5V, VDD1 = VDD2 = 14V, VGH = 25V, AVDD = 10V, TA = -40°C to 85°C Unless Otherwise Noted. (Continued) SYMBOL PARAMETER TEST CONDITION MIN TYP MAX UNIT ISL97644 |
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