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FAN1538DBX 数据表(PDF) 3 Page - Fairchild Semiconductor |
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FAN1538DBX 数据表(HTML) 3 Page - Fairchild Semiconductor |
3 / 6 page PRODUCT SPECIFICATION FAN1538 REV. 1.0.2 12/17/03 3 Electrical Specifications (Operating Conditions: VIN = 5V, TJ=25°C unless otherwise specified) The • denotes specifications which apply over the full operating temperature range. Diagram 1: UVLO and Softstart Timing Parameter Conditions Min. Typ. Max. Units V1 Output Voltage 10mA ≤ Iout ≤ 1A 4.50V ≤ VIN ≤ 7V • 3.234 3.200 3.300 3.300 3.366 3.400 V V2 Output Voltage (FAN1538A) 10mA ≤ Iout ≤ 1A 4.50V ≤ VIN ≤ 7V • 2.450 2.420 2.500 2.500 2.550 2.580 V V2 Minimum Output Voltage (FAN1538B) 10mA ≤ Iout ≤ 1A 4.50V ≤ VIN ≤ 7V • 1.400 V Reference Voltage (FAN1538B) (FB) 10mA<Iout<1A 4.50V ≤ VIN ≤ 7V • 1.225 1.210 1.250 1.250 1.275 1.290 V FB Pin Bias Current • 1µA Line Regulation (Both Outputs) 4.50V ≤ VIN ≤ 7V Iout = 10mA • 0.005 0.5 % Load Regulation (Both Outputs) VIN=5.0V 10mA ≤ Iout ≤ 1A • 0.05 0.5 % Current Limit (Both Outputs) VIN = 5V 1.1 1.5 A Minimum Load Current (Both Outputs) 4.50V ≤ VIN ≤ 7V • 10 mA Quiescent Current VIN = 5V • 615 mA Ripple Rejection (Both Outputs) F = 60Hz, Cout = 22µF VIN = 5V, Iout =100mA 60 dB Under-Voltage Lockout (See Diagram1) VIN Rising threshold • 3.4 3.8 4.2 V VIN Falling threshold • 3.0 3.3 3.6 V V1 & V2 delay start time VIN > UVLO Rising Threshold 150 µs V1 softstart slew rate 250 µs/V V2 softstart slew rate R1 = 1250 & R2 = 250 ohms 550 µs/V V1 & V2 VIN < 3.4 • 0.5 V Thermal Shutdown Shut down Temperature 165 °C Thermal hysteresis 40 °C VIN V3.3 VIN = 3.3V V1.5 Time Input Voltage 150 µs VIN = 3.8V |
类似零件编号 - FAN1538DBX |
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类似说明 - FAN1538DBX |
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