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MIC94355-4YCS Datasheet(PDF) 6 Page - Micrel Semiconductor |
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MIC94355-4YCS Datasheet(HTML) 6 Page - Micrel Semiconductor |
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6 / 16 page  Micrel, Inc. MIC94325/45/55 October 2012 6 M9999-102512-A Absolute Maximum Ratings(1) Input Voltage (VIN)..............................................0.3 to +4V Output Voltage (VOUT) .................... –0.3 to VIN+0.3V or +4V Enable Voltage (VEN)...................... –0.3 to VIN+0.3V or +4V Lead Temperature (soldering, 10s)............................ 260°C Storage Temperature (Ts).........................–65°C to +150°C ESD Rating (3).................................................................. 3kV Operating Ratings (2) Input Voltage (VIN)........................................ +1.8V to +3.6V Enable Voltage (VEN).............................................. 0V to VIN Junction Temperature (TJ) ........................–40°C to +125°C Junction Thermal Resistance Thin DFN ( JA) ...................................................92°C/W CSP ( JA) .........................................................160°C/W Electrical Characteristics(4) VIN = VEN = VOUT + 500mV (VIN = VEN = 3.6V for VOUT ≥ 3.1V); IOUT = 1mA; COUT = 4.7µF; TA = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted. Parameter Condition Min. Typ. Max. Units Input Voltage 1.8 3.6 V Output Voltage Range MIC94325 1.2 3.4 V Output Voltage Accuracy Variation from nominal VOUT –3 ±1 +3 % Adjust Reference MIC94325 1.1 V Dropout Voltage VIN to VOUT dropout at 50mA output current VIN to VOUT dropout at 500mA output current 10 100 200 mV Load Regulation 1mA to 500mA 10 mV Line Regulation VIN = VOUT + 500mV to 3.6V, IOUT = 100mA 0.1 1 % Ground Current IOUT = 100µA 170 250 µA Shutdown Current VEN = 0V 0.2 5 µA f = 100Hz 85 f = 1KHz 85 f = 100KHz 57 f = 1MHz 60 VIN Ripple Rejection f= 5MHz 50 dB Current Limit VOUT = 0V 530 800 1100 mA Total Output Noise 10Hz to 100kHz 83 μVRMS Turn-On Time 100 150 μs Auto Discharge NFET Resistance VIN = 3.6V, VEN = 0V, IOUT = -3mA MIC94355 Only 50 Ω Enable Input Logic Low 0.35 V Input Logic High 1.0 V Input Current 0.01 1 µA 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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