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FAN1581 数据表(PDF) 3 Page - Fairchild Semiconductor |
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FAN1581 数据表(HTML) 3 Page - Fairchild Semiconductor |
3 / 13 page PRODUCT SPECIFICATION FAN1581 REV. 1.2.0 11/6/03 3 Absolute Maximum Ratings Electrical Characteristics TJ=25°C, VOUT = VSENSE, VADJ = 0V unless otherwise specified. The • denotes specifications which apply over the specified operating temperature range. Notes: 1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing. 2. Line and load regulation are guaranteed up to the maximum power dissipation (18W). Power dissipation is determined by input/output differential and the output current. Guaranteed maximum output power will not be available over the full input/ output voltage range. 3. FAN1581 only. 4. FAN1581-1.5 only. 5. FAN1581-2.5 only. 6. FAN1581-1.2 only. Parameter Min. Max. Unit VIN 7V VCNTL 13.2 V Operating Junction Temperature Range 0 125 °C Lead Temperature (Soldering, 10 sec.) 300 °C Storage Temperature Range -65 150 °C Parameter Conditions Min. Typ. Max. Units Reference Voltage3 2.05V ≤ VIN ≤ 5.5V, 2.7V ≤ VCNTL ≤ 12V, 10mA ≤ IOUT ≤ 5A • 1.237 1.250 1.263 V Adjustable Output Voltage 3V ≤ VIN ≤ 7V (function of Vout), 10mA ≤ IOUT ≤ 5A • Vref 1.5 5.7 V Output Voltage4 3V ≤ VIN ≤ 7V, 10mA ≤ IOUT ≤ 5A • 1.47 1.5 1.53 V Output Voltage5 4V ≤ VIN ≤ 7V, 10mA ≤ IOUT ≤ 5A • 2.474 2.5 2.526 V Output Voltage6 2.7V ≤ VIN ≤ 7V, 10mA ≤ IOUT ≤ 5A • 1.176 1.200 1.224 V Line Regulation1,2 1.75V ≤ VIN ≤ 5.5V, 2.5V ≤ VCNTL ≤ 12V, IOUT = 10mA •1 3 mV Load Regulation1,2 VIN = 2.1V, VCNTL = 2.75V, 10mA ≤ IOUT ≤ 5A •1 5 mV Dropout Voltage Minimum (VCNTL–VOUT) VIN = 2.05V, ∆VREF = 1%, IOUT = 5A • 1.05 1.18 V Dropout Voltage Minimum (VIN–VOUT) VCNTL = 2.75V, ∆VREF = 1%, IOUT = 5A 0.4 0.5 V Dropout Voltage Minimum VIN VCNTL = 2.75V, ∆VREF = 1%, IOUT = 5A • 0.5 0.6 V Current Limit VIN = 2.05V, VCNTL = 2.75V • 5.2 A Control Pin Current VIN = 2.05V, VCNTL = 2.75V, IOUT = 10mA •3 6 mA Adjust Pin Current3 VIN = 2.05V, VCNTL = 2.75V • 50 120 µA Minimum Load Current VIN = 3.3V, VCNTL = 5V • 5.0 10 mA Ripple Rejection VIN = 3.75V, VCNTL = 3.75V, f = 120Hz, COUT = 22µF Tantalum, IOUT = 2.5A 60 80 dB Thermal Resistance, Junction to Case TO-263 SPAK 3 2 °C/W Thermal Regulation TA = 25°C, 30ms pulse 0.002 0.02 %/W Thermal Shutdown 150 °C |
类似零件编号 - FAN1581 |
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类似说明 - FAN1581 |
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