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MIC4832YMM Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC4832YMM Datasheet(HTML) 3 Page - Micrel Semiconductor |
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3 / 11 page  Micrel MIC4832 November 2007 3 M9999-111507-B Absolute Maximum Ratings(1) Supply Voltage (VDD)...................................... –0.5V to 6.0V Output Voltage (VCS) ..................................... –0.5V to 120V EL Lamp Terminals (VA, VB)................................... VCS + 3V Switch Voltage (Vsw) ..................................... -0.5V to 120V Frequency Control Voltage (VRSW, VREL) ................................... –0.5V to (VDD +0.3V) Storage Temperature (TS).........................–65°C to +150°C ESD Rating (4)...............................................................1.5kV Operating Ratings(2) Supply Voltage (VDD).................................... +1.8V to +5.5V Lamp Drive Frequency (fEL) ....................... 60Hz to 1000Hz Switching Frequency (fSW).........................65kHz to 250kHz Ambient Temperature (TA) .......................... –40°C to +85°C Package Thermal Resistance (3) MSOP (θJA) .....................................................206°C/W MLF-8L (θJA)......................................................63°C/W Electrical Characteristics(5) VIN = VDD = 3.0V, RSW = 338KΩ, REL = 1.78MΩ. TA = 25°C unless otherwise specified. Bold values indicate –40°C ≤ TA ≤ +85°C Parameter Condition Min Typ Max Units On-resistance ISW = 100mA 3.8 7 Ohm CS Voltage Variation 91 105 119 Enable Input Low Voltage (turn-off) VDD = 1.8V to 5.5V 0.5 V Enable Input High Voltage (turn-on) VDD = 1.8V to 5.5V VDD- 0.5 V Shutdown current RSW Resistor = LOW; REL Resistor = LOW; VDD = 5.5V 0.01 0.5 µA Input supply current RSW Resistor = HIGH; REL Resistor = HIGH; VCS = 110V; VA, VB OPEN 45 75 µA Input current including inductor VIN = VDD = 3.2V; RSW = 338KΩ, REL = 1.78MΩ; L=220µH; ROUT =10kΩ; Lamp = 2in 2 24 mA VA – VB output drive frequency REL = 1.78MΩ 158 200 242 Hz Switching transistor frequency RSW = 338KΩ 90 112 134 kHz Switching transistor duty cycle 90 % Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature. 4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. 5. Specification for packaged product only. |
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