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MIC23031-CYMT Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC23031-CYMT Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 18 page Micrel, Inc. MIC23031 October 2010 3 M9999-102210-A Absolute Maximum Ratings (1) Supply Voltage (VIN). ……………………………………….6V Sense (VSNS).. ..................................................................6V Output Switch Voltage ..................................................6V Enable Input Voltage (VEN)................................−0.3V to VIN Storage Temperature Range ..…………… −65°C to +150°C ESD Rating (3).................................................ESD Sensitive Operating Ratings (2) Supply Voltage (VIN)... …………………………..2.7V to 5.5V Enable Input Voltage (VEN) .. ……………………….0V to VIN Output Voltage Range (VSNS) ………………….0.7V to 3.6V Junction Temperature Range (TJ).. ….−40°C ≤ TJ ≤ +125°C Thermal Resistance 1.6 x 1.6mm Thin MLF ®-6 (θJA).......................92.4°C/W Electrical Characteristics (4) TA = 25°C; VIN = VEN = 3.6V; L = 1µH; COUT = 4.7µF unless otherwise specified. Bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted. Parameter Condition Min. Typ. Max. Units Supply Voltage Range 2.7 5.5 V Under-Voltage Lockout Threshold (Turn-on) 2.45 2.55 2.65 V Quiescent Current IOUT = 0mA , SNS > 1.2 * VOUT Nominal 21 35 µA Shutdown Current VEN = 0V, VIN = 5.5V 0.01 4 µA Output Voltage Accuracy VIN = 3.6V; ILOAD = 20mA −2.5 +2.5 % Feedback Voltage Adjustable Option Only 0.62 V Current Limit SNS = 0.9*VOUTNOM 0.41 0.7 1 A Output Voltage Line Regulation VIN = 3.0V to 5.5V, VOUT = 1.2V, ILOAD = 20mA, 0.3 %/V Output Voltage Load Regulation 20mA < ILOAD < 400mA, VOUT = 1.2V, VIN = 3.6V 0.7 % PWM Switch ON-Resistance ISW = 100mA PMOS ISW = −100mA NMOS 0.65 0.8 Ω Frequency IOUT = 120mA 4 MHz Soft-Start Time VOUT = 90% 100 µs Enable Threshold 0.5 0.9 1.2 V Enable Input Current 0.1 2 µA Over-Temperature Shutdown 160 °C Over-Temperature Shutdown Hysteresis 20 °C Notes : 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF. 4. Specification for packaged product only. |
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