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D01605T-472 bảng dữ liệu(PDF) 2 Page - Monolithic Power Systems |
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D01605T-472 bảng dữ liệu(HTML) 2 Page - Monolithic Power Systems |
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2 / 8 page  MP2105 – 1MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER MP2105 Rev. 1.2 www.MonolithicPower.com 2 8/19/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2005 MPS. All Rights Reserved. TM PACKAGE REFERENCE Part Number* Package Temperature MP2105DJ TSOT23-5 –40 °C to +85°C * For Tape & Reel, add suffix –Z (eg. MP2105DJ–Z) For Lead Free, add suffix –LF (eg. MP2105DJ–LF–Z) ABSOLUTE MAXIMUM RATINGS (1) VIN to GND .................................. –0.3V to +6.5V VSW to GND........................... –0.3V to VIN +0.3V VFB, VEN to GND.......................... –0.3V to +6.5V Junction Temperature.............................+150 °C Lead Temperature ..................................+260 °C Storage Temperature .............–65 °C to +150°C Recommended Operating Conditions (2) Supply Voltage VIN............................. 2.5V to 6V Output Voltage VOUT .......................... 0.6V to 6V Operating Temperature .............–40 °C to +85°C Thermal Resistance (3) θJA θJC TSOT23-5.............................. 220 .... 110.. °C/W Notes: 1) Exceeding these ratings may damage the device. 2) The device is not guaranteed to function outside of its operating conditions. 3) Measured on approximately 1” square of 1 oz copper. ELECTRICAL CHARACTERISTICS (4) VIN = VEN = 3.6V, TA = +25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units Supply Current VEN = VIN, VFB = 0.65V 440 600 µA Shutdown Current VEN = 0V, VIN = 6V 0.10 1 µA IN Undervoltage Lockout Threshold Rising Edge 2.15 2.30 2.40 V IN Undervoltage Lockout Hysteresis 55 mV TA = +25°C 0.588 0.600 0.612 Regulated FB Voltage VFB –40°C ≤ TA ≤ +85°C 0.582 0.600 0.618 V FB Input Bias Current VFB = 0.65V –50 0.5 +50 nA PFET On Resistance ISW = 100mA 0.42 Ω NFET On Resistance ISW = –100mA 0.26 Ω SW Leakage Current VEN = 0V, VIN = 6V, VSW = 0V or 6V –1 +1 µA PFET Current Limit Duty Cycle = 100%, Current Pulse Width < 1ms 1.2 1.6 2.1 A Oscillator Frequency fOSC 0.85 1.05 1.25 MHz Thermal Shutdown Trip Threshold 145 °C EN Trip Threshold –40°C ≤ TA ≤ +85°C 0.3 0.96 1.5 V EN Input Current VEN = 0V to 6V –1 +1 µA Notes: 4) 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization. TOP VIEW EN GND SW 1 2 3 5 4 FB IN MP1557_PD01_TSOT23-5 |
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