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MIC2570-2BM Datasheet(PDF) 3 Page - MIC GROUP RECTIFIERS |
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MIC2570-2BM Datasheet(HTML) 3 Page - MIC GROUP RECTIFIERS |
3 / 15 page August 2007 3 MIC2570 MIC2570 Micrel, Inc. Electrical Characteristics VIN = 2.5V; TA = 25°C, bold indicates –40°C ≤ TA ≤ 85°C; unless noted Parameter Condition Min Typ Max Units Input Voltage Startup guaranteed, ISW = 100mA 1.3 15 V Quiescent Current Output switch off 130 µA Fixed Feedback Voltage MIC2570-1; V2.85V pin = VOUT, ISW = 100mA 2.7 2.85 3.0 V MIC2570-1; V3.3V pin = VOUT, ISW = 100mA 3.14 3.30 3.47 V MIC2570-1; V5V pin = VOUT, ISW = 100mA 4.75 5.00 5.25 V Reference Voltage MIC2570-2, [adj. voltage versions], ISW = 100mA, Note 1 208 220 232 mV Comparator Hysteresis MIC2570-2, [adj. voltage versions] 6 mV Output Hysteresis MIC2570-1; V2.85V pin = VOUT, ISW = 100mA 65 mV MIC2570-1; V3.3V pin = VOUT, ISW = 100mA 75 mV MIC2570-1; V5V pin = VOUT, ISW = 100mA 120 mV Feedback Current MIC2570-1; V2.85V pin = VOUT 6 µA MIC2570-1; V3.3V pin = VOUT 6 µA MIC2570-1; V5V pin = VOUT 6 µA MIC2570-2 [adj. voltage versions]; VFB = 0V 25 nA Reference Line Regulation 1.5V ≤ VIN ≤ 15V 0.35 %/V Switch Saturation Voltage VIN = 1.3V, ISW = 300mA 250 mV VIN = 1.5V, ISW = 800mA 450 mV VIN = 3.0V, ISW = 800mA 450 mV Switch Leakage Current Output switch off, VSW = 36V 1 µA Oscillator Frequency MIC2570-1, -2; ISW = 100mA 20 kHz Maximum Output Voltage 36 V Sync Threshold Voltage 0.7 V Switch On-Time 35 µs Currrent Limit 1.1 A Duty Cycle VFB < VREF, ISW = 100mA 67 % General Note: Devices are ESD protected; however, handling precautions are recommended. Note 1: Measured using comparator trip point. Absolute Maximum Ratings Supply Voltage (VIN)......................................................18V Switch Voltage (VSW) ....................................................36V Switch Current (ISW)........................................................ 1A Sync Voltage (VSYNC)......................................–0.3V to 15V Storage Temperature (TA)......................... –65°C to +150°C SOIC Power Dissipation (PD)..................................400mW Operating Ratings Supply Voltage (VIN)..................................... +1.3V to +15V Ambient Operating Temperature (TA) ......... –40°C to +85°C Junction Temperature (TJ)........................ –40°C to +125°C SOIC Thermal Resistance (θJA) ............................140°C/W |
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