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MIC28510YJL Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC28510YJL Datasheet(HTML) 4 Page - Micrel Semiconductor |
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4 / 30 page  Micrel, Inc. MIC28510 March 2012 4 M9999-030912-A Absolute Maximum Ratings (1) PVIN to PGND................................................ 0.3V to +76V FS to PGND .................................................... 0.3V to PVIN PVDD, VDD to PGND......................................... 0.3V to +6V VSW, VCS to PGND ..............................0.3V to (PVIN +0.3V) VBST to VSW ........................................................ 0.3V to 6V VBST to PGND .................................................. 0.3V to 82V VEN to PGND ......................................0.3V to (VDD + 0.3V) VFB to PGND.......................................0.3V to (VDD + 0.3V) PGND to SGND ........................................... 0.3V to +0.3V Junction Temperature (TJ) ....................................... +150°C Storage Temperature (TS).........................65C to +150C Lead Temperature (soldering, 10s)............................ 260°C ESD Rating (2)..............................................................1000V Operating Ratings (3) Supply Voltage (PVIN) ....................................... 4.5V to 75V Bias Voltage (PVDD, VDD).................................. 4.5V to 5.5V Enable Input (VEN)................................................. 0V to VDD Junction Temperature (TJ) ........................ 40C to +125C Maximum Power Dissipation......................................Note 4 Package Thermal Resistance (4) 5mm x 6mm MLF ® (JA) ....................................36C/W Electrical Characteristics (5) PVIN = VFS = 48V, VDD = 5V; VBST – VSW = 5V; TA = 25°C, unless noted. Bold values indicate 40°C ≤ TJ ≤ +125°C. Parameter Condition Min. Typ. Max. Units Power Supply Input Input Voltage Range ( PVIN) 4.5 75 V FS Voltage Range 2 75 V VDD Bias Voltage Operating Bias Voltage (VDD) 4.5 5 5.5 V Undervoltage Lockout Trip Level VDD Rising 3.2 3.85 4.45 V UVLO Hysteresis 380 mV Quiescent Supply Current (IVDD) VFB = 1.5V 1.4 3 mA Shutdown Supply Current (IVDD) VDD = VBST = 5.5V, VIN = 48V SW = unconnected, VEN = 0V 0.7 2 mA Reference 0°C ≤ TJ ≤ 85°C (±1.0%) 0.792 0.8 0.808 Feedback Reference Voltage 40°C ≤ TJ ≤ 125°C (±1.5%) 0.788 0.8 0.812 V Load Regulation IOUT = 0A to 4A 0.04 % Line Regulation PVIN = 4.5 to 75V 0.1 % FB Bias Current VFB = 0.8V -0.5 0.005 0.5 µA Enable Control EN Logic Level High 4.5V < VDD < 5.5V 1.2 V EN Logic Level Low 4.5V < VDD < 5.5V 0.4 V EN Bias Current VEN = 0V 50 100 µA Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF. 3. The device is not guaranteed to function outside operating range. 4. PD(MAX) = (TJ(MAX) – TA)/ JA, where JA depends upon the printed circuit layout. See “Applications Information.” 5. Specification for packaged product only. |
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