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MIC22600YTSE Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC22600YTSE Datasheet(HTML) 4 Page - Micrel Semiconductor |
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4 / 32 page  Micrel, Inc. MIC22600 June 2011 4 M9999-062411-D Absolute Maximum Ratings (1) Supply Voltage (PVIN, SVIN)............................ –0.3V to 6V Output Switch Voltage (SW) ............................. –0.3V to 6V Output Switch Current (ISW).......................Internally Limited Logic Input Voltage (EN, POR, DELAY) ........... –0.3V to VIN Control Voltage (RC, COMP, FB) ..................... –0.3V to VIN Lead Temperature (soldering 10sec.)........................ 260°C Storage Temperature (Ts) .........................–65°C to +150°C ESD Rating (3).................................................................. 2kV Operating Ratings (2) Supply Voltage (VIN)......................................... 2.6V to 5.5V Junction Temperature (TJ) ..................–40°C ≤ TJ ≤ +125°C Thermal Resistance 4x4 MLF-24 ( θJC) ...............................................14°C/W 4x4 MLF-24 ( θJA) ...............................................40°C/W 24-pin ePad TSSOP ( θJC)...............................12.9°C/W 24-pin ePad TSSOP ( θJA)...............................32.2°C/W Electrical Characteristics (4) TA = 25°C with VIN = VEN = 3.3V; VOUT = 1.8V, unless otherwise specified. Bold values indicate –40°C< TJ < +125°C. Parameter Condition Min. Typ. Max. Units Supply Voltage Range 2.6 5.5 V VIN Turn-On Voltage Threshold VIN rising 2.4 2.5 2.6 V UVLO Hysteresis 280 mV Quiescent Current, PWM Mode VEN ≥1.34V; VFB = 0.9V (not switching) 850 1300 µA Shutdown Current VEN = 0V 5 10 µA Feedback Voltage ± 1% ± 2% (over temperature) 0.693 0.686 0.7 0.707 0.714 V FB Pin Input Current 1 100 nA Current Limit in PWM Mode VFB = 0.5*VNOM 6.5 9 11.5 A Output Voltage Line Regulation VOUT 1.8V, VIN = 2.6 to 5.5V, ILOAD= 100mA 0.2 % Output Voltage Load Regulation 100mA < ILOAD < 6000mA, VIN = 3.3V 0.2 % Maximum Duty Cycle VFB ≤ 0.5V 100 % Switch ON-Resistance PFET Switch ON-Resistance NFET ISW = 1000mA; VFB=0.5V ISW = 1000mA; VFB=0.9V 0.03 0.025 Ω Oscillator Frequency 0.8 1 1.2 MHz EN/DLY Threshold Voltage 1.14 1.24 1.34 V EN/DLY Source Current VIN = 2.6 to VIN = 5.5V 0.7 1 1.3 µA RC Pin IRAMP Ramp Control Current 0.7 1 1.3 µA Power-on-Reset IPG(LEAK) VPORH = 5.5V; POR = High 1 2 µA Power-on-Reset VPG(LO) Output Logic-Low Voltage (undervoltage condition), IPOR = 5mA 130 mV Threshold, % of VOUT below nominal 7.5 10 12.5 % Power-on-Reset VPG Hysteresis 2 % 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. 4. Specification for packaged product only. |
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