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FAN5070 数据表(PDF) 3 Page - Fairchild Semiconductor |
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FAN5070 数据表(HTML) 3 Page - Fairchild Semiconductor |
3 / 14 page FAN5070 REV. 1.0.1 8/7/01 3 Absolute Maximum Ratings Note 1: Component mounted on demo board in free air. Recommended Operating Conditions Supply Voltage VCCP to GND 15V Supply Voltage VCCA to GND 13.5V Voltage Identification Code Inputs, VID0-VID4 VCCA All Other Pins 13.5V Junction Temperature, TJ 150°C Storage Temperature -65 to 150°C Lead Soldering Temperature, 10 seconds 300°C Thermal Resistance Junction-to-case, Θ 1 JA 75°C/W Parameter Conditions Min. Typ. Max. Units Supply Voltage VCCA 4.50 5 5.25 V Input Logic HIGH 2.0 V Input Logic LOW 0.8 V Ambient Operating Temperature 0 70 °C Output Driver Supply, VCCP 10.8 12 13.2 V Electrical Specifications (VCCA = 5V, VCCP = 12V, VOUT = 1.425V, and TA = +25°C using circuits in Figure 1, unless otherwise noted.) The • denotes specifications which apply over the full operating temperature range. Parameter Conditions Min. Typ. Max. Units Output Voltage See Table I • 1.05 1.825 V Output Current 28 A Initial Voltage Setpoint ILOAD = 0.8A, VVID = 1.425V 1.453 1.465 1.477 V Output Temperature Drift TA = 0 to 70°C, VVID = 1.425V • -6 mV Line Regulation VIN = 4.75V to 5.25V • +10 mV/V Internal Droop Impedance3 ILOAD = 0.8A to 30A 13.0 14.4 15.8 K Ω Maximum Programmable Droop • 200 mV Output Ripple 20MHz BW, ILOAD = 28A 20 mVpk Total Output Variation, Steady State1 VVID = 1.425V3 • 1.360 1.490 V Total Output Variation, Transient2 ILOAD = 0.8A to Imax, VVID = 1.425V • 1.335 1.515 V Short Circuit Detect Current • 45 50 60 µA Efficiency ILOAD = 18A, VVID = 1.425V 83 % Output Driver Rise & Fall Time See Figure 3 50 nsec Output Driver Deadtime See Figure 3 50 nsec Duty Cycle 0 100 % 5V UVLO • 3.76 4 4.24 V 12V UVLO • 7.65 8.5 9.35 V Oscillator Frequency • 255 300 345 kHz PWRGD Threshold4 Switcher Logic HIGH [VVID + 85mV] Logic LOW [VVID–155mV] • • 88 80 112 120 % PWRGD Delay Switcher HIGH → LOW 6 µsec PWRGD Hysteresis Switcher 25 mV |
类似零件编号 - FAN5070 |
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类似说明 - FAN5070 |
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