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LTC3215 bảng dữ liệu(PDF) 3 Page - Linear Technology |
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LTC3215 bảng dữ liệu(HTML) 3 Page - Linear Technology |
3 / 12 page LTC3215 3 3215f Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Based on long-term current density limitations. Assumes an operating duty cycle of ≤ 10% under absolute maximum conditions for durations less than 10 seconds. Max current for continuous operation is 350mA. Note 3: The LTC3215E is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to 85°C ambient operating temperature range are assured by design, characterization and correlation with statistical process controls. TYPICAL PERFOR A CE CHARACTERISTICS ILED Dropout Voltage vs LED Current ILED Pin Current vs ILED Pin Voltage ILED vs RSET LED CURRENT (mA) 0 200 400 800 600 3216 G01 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 ILED PIN VOLTAGE (V) 0 600 500 400 300 200 100 0 0.2 0.4 0.6 0.8 3216 G02 1.0 TEMPERATURE (°C) –40 10 60 85 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 3216 G05 –15 35 –40 10 60 85 –15 35 TEMPERATURE (°C) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 3216 G06 ILED = 500mA 400mA 300mA 200mA 100mA VIN = 3V VCPO = 4.2V CIN = C1 = C2 = 2.2µF CCPO = 4.7µF VIN = 3V VCPO = 4.8V CIN = C1 = C2 = 2.2µF CCPO = 4.7µF TEMPERATURE (°C) –40 35 85 3216 G07 –15 10 60 0.31 0.29 0.27 0.25 0.23 0.21 0.19 0.17 0.15 ICPO = 200mA VIN = 3.6V VIN = 3.3V VIN = 3.9V VIN = 3.6V RSET (kΩ) 1573 G06 1000 800 600 400 200 0 0 10 20 25 515 30 35 40 1.5x Mode Charge Pump Open-Loop Output Resistance (1.5VIN – VCPO)/ICPO vs Temperature 2x Mode Charge Pump Open-Loop Output Resistance (2VIN – VCPO)/ICPO vs Temperature 1x Mode Charge Pump Open-Loop Output Resistance vs Temperature (TA = 25°C unless otherwise specified) ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, CIN = C1 = C2 = 2.2µF, CCPO = 4.7µF. PARAMETER CONDITIONS MIN TYP MAX UNITS ISET VISET ISET = 50µA ● 1.195 1.22 1.245 V IISET ● 225 µA |
Số phần tương tự - LTC3215 |
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Mô tả tương tự - LTC3215 |
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