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BL2553 Datasheet(PDF) 2 Page - SHANGHAI BELLING CO., LTD. |
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BL2553 Datasheet(HTML) 2 Page - SHANGHAI BELLING CO., LTD. |
2 / 8 page BL2553 2 PIN CONFIGURATION IN OUT 2 1 3 5 6 4 GND ILIM nFAULT EN ABSOLUTE MAXIMUM RATINGS (Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may affect device reliability.) IN to GND…..............................................–0.3V to 6V OUT, ILIM, nFAULT, EN to GND…..–0.3V to VIN+0.3V OUT to GND Current …………………..Internally limited Maximum Power Dissipation………….…………...1.0W Operating Temperature Range …….…. –40°C to 85°C Storage Temperature Range….………–55°C to 150°C ELECTRICAL CHARACTERISTICS (VIN = 5V, unless otherwise specified. Typical values are at TA = 25 oC.) PARAMETER CONDITIONS MIN TYP MAX UNITS Input Voltage Range 2.5 5.5 V Input UVLO Rising, Hysteresis=25mV 2.35 V Input Supply Current RILIM=20K 120 A Input Shutdown Current 0.5 1.5 A Power Switch On Resistance ISW =500mA 95 m ISW =500mA, -40°C≤TJ≤120°C 145 m Current limit Threshold RILIM=15K 1.705 A RILIM=20K 1.295 A RILIM=49.9K 0.520 A Response time to Short-circuit 1 S Reverse-voltage Threshold VOUT-VIN 150 mV Reverse Leakage Current VOUT=5.5V,Vin=0V,VEN=High 0.5 2 A EN Input Logic High threshold VnFAULT=5.5V 1 V EN Input Logic Low threshold 0.66 V nFAULT Output Low Voltage InFAULT =1mA 70 170 mV nFAULT Output Leakage 1 A nFAULT Deglitch Time De-assertion due to Over-current 9 mS De-assertion due to Reverse-Voltage 4.5 Thermal Shutdown 160 oC Thermal Shutdown In Current Limit 135 oC Thermal Shutdown Hysteresis 15 oC |
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