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MIC2182 数据表(PDF) 4 Page - Microchip Technology |
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MIC2182 数据表(HTML) 4 Page - Microchip Technology |
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4 / 40 page ![]() MIC2182 DS20006644A-page 4 2022 Microchip Technology Inc. and its subsidiaries 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Analog Supply Voltage (VIN) .....................................................................................................................................+34V Digital Supply Voltage (VDD) .......................................................................................................................................+7V Driver Supply Voltage (BST) ................................................................................................................................. VIN +7V Sense Voltage (VOUT, CSH)............................................................................................................................ 7V to –0.3V Sync Pin Voltage (VSYNC) .............................................................................................................................. 7V to –0.3V Enable Pin Voltage (VEN/UVLO) ....................................................................................................................................VIN Power Dissipation (PD) SOIC .............................................................................................................................................. 400 mW @ TA = 85°C SSOP ............................................................................................................................................. 270 mW @ TA = 85°C ESD Rating .......................................................................................................................................................... (Note 1) Operating Ratings ‡ Analog Supply Voltage (VIN) ......................................................................................................................+4.5V to +32V † Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended periods may affect device reliability. Specifications are for packaged product only. ‡ Notice: The device is not guaranteed to function outside its operating ratings. Note 1: Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5 kΩ in series with 100 pF. ELECTRICAL CHARACTERISTICS Electrical Characteristics: VIN = 15V; SS = Open; VSHDN = 5V; ILOAD = 0.1A, TA = +25°C, Bold values indicate –40°C ≤ TA ≤ +85°C; unless otherwise specified. Parameter Symbol Min. Typ. Max. Units Conditions MIC2182 (Adjustable) (Note 1) Feedback Voltage Reference VREF 1.233 1.245 1.257 V — 1.220 1.245 1.270 V — 1.208 1.245 1.282 V 4.5V < VIN < 32V, full load range, 0 mV < VCSH – VOUT < 75 mV Feedback Bias Current IFB — 10 — nA — Output Voltage Range VOUT 1.25 — 6 V — Output Voltage Line Regulation ΔVO_LN — 0.03 — %/V VIN = 4.5V to 32V, VCSH – VOUT = 50 mV Output Voltage Load Regulation ΔVO_LD — 0.5 — % 25 mV < (VCSH – VOUT) < 75 mV (PWM mode only) Output Voltage Total Regulation ΔVO_TOT — 0.6 — % 0 mV < (VCSH – VOUT) < 75 mV (full load range), 4.5V < VIN < 32V MIC2182-3.3 Output Voltage VOUT 3.267 3.3 3.333 V — 3.234 3.3 3.366 V — 3.201 3.3 3.399 V 4.5V < VIN < 32V, full load range, 0 mV < VCSH – VOUT < 75 mV Output Voltage Line Regulation ΔVO_LN — 0.03 — %/V VIN = 4.5V to 32V, VCSH – VOUT = 50 mV Output Voltage Load Regulation ΔVO_LD — 0.5 — % 25 mV < (VCSH – VOUT) < 75 mV (PWM mode only) |
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