Datasheet LTC3815 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management |
| 页数 / 页 | 42 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. VOUT Measurement Error vs VOUT. VOUT … |
| 修订版 | B |
| 文件格式/大小 | PDF / 3.0 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. VOUT Measurement Error vs VOUT. VOUT Command INL. VOUT Command DNL
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LTC3815
TYPICAL PERFORMANCE CHARACTERISTICS VOUT Measurement Error vs VOUT VOUT Command INL VOUT Command DNL
1.0 0.50 0.50 VIN = 5V 0.5 0.25 0.25 0 0 0 INL (LSB) DNL (LSB) –0.5 –0.25 –0.25 MEASUREMENT ERROR (%) –1.0 –0.50 –0.50 0 1 2 3 4 5 –25 –12.5 0 12.5 25 –25 –12.5 0 12.5 25 OUTPUT VOLTAGE (V) MFR_VOUT_COMMAND VALUE (%) MFR_VOUT_COMMAND VALUE (%) 3815 G19 3815 G20 3815 G21
IIN, IOUT Measurement Error vs IOUT Measurement Error vs IOUT IIN Measurement Error vs IIN Temperature, VIN and Frequency
0.10 0.10 4 3.5V to 1.0V 3.5V TO 1.8V CCM MODE CCM MODE FRONT PAGE CIRCUIT FRONT PAGE CIRCUIT 0.05 0.05 IOUT = 0 TO 6A 2 0 0 0 VIN = 2.5V, 1MHz –0.05 MEASUREMENT ERROR (A) –0.05 MEASUREMENT ERROR (A) –2 VIN = 3.3V, 1MHz MEASUREMENT ERROR (%) VIN = 5V, 1MHz VIN = 3.3V, 2MHz VIN = 5V, 2MHz –0.10 –0.10 –4 –2 0 2 4 6 0 0.5 1 1.5 2 2.5 3 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (A) INPUT CURRENT (A) TEMPERATURE (°C) 3815 G22 3815 G23 3815 G24
VIN Measurement Error vs VIN IREF vs Temperature IREF vs Input Voltage
0 0.2 0.50 –0.1 0.1 0.25 –0.3 TION (%) TION (%) 0 0 ARIA ARIA V V I REF I REF –0.4 –0.1 –0.25 MEASUREMENT ERROR (%) –0.5 –0.2 –0.50 2 3 4 5 6 –50 0 50 100 150 2 3 4 5 6 INPUT VOLTAGE (V) TEMPERATURE (°C) INPUT VOLTAGE (V) 3815 G25 3815 G26 3815 G27 Rev B 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information PMBus Command Details Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VOUT Measurement Error vs VOUT VOUT Command INL VOUT Command DNL
1.0 0.50 0.50 VIN = 5V 0.5 0.25 0.25 0 0 0 INL (LSB) DNL (LSB) –0.5 –0.25 –0.25 MEASUREMENT ERROR (%) –1.0 –0.50 –0.50 0 1 2 3 4 5 –25 –12.5 0 12.5 25 –25 –12.5 0 12.5 25 OUTPUT VOLTAGE (V) MFR_VOUT_COMMAND VALUE (%) MFR_VOUT_COMMAND VALUE (%) 3815 G19 3815 G20 3815 G21
IIN, IOUT Measurement Error vs IOUT Measurement Error vs IOUT IIN Measurement Error vs IIN Temperature, VIN and Frequency
0.10 0.10 4 3.5V to 1.0V 3.5V TO 1.8V CCM MODE CCM MODE FRONT PAGE CIRCUIT FRONT PAGE CIRCUIT 0.05 0.05 IOUT = 0 TO 6A 2 0 0 0 VIN = 2.5V, 1MHz –0.05 MEASUREMENT ERROR (A) –0.05 MEASUREMENT ERROR (A) –2 VIN = 3.3V, 1MHz MEASUREMENT ERROR (%) VIN = 5V, 1MHz VIN = 3.3V, 2MHz VIN = 5V, 2MHz –0.10 –0.10 –4 –2 0 2 4 6 0 0.5 1 1.5 2 2.5 3 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (A) INPUT CURRENT (A) TEMPERATURE (°C) 3815 G22 3815 G23 3815 G24
VIN Measurement Error vs VIN IREF vs Temperature IREF vs Input Voltage
0 0.2 0.50 –0.1 0.1 0.25 –0.3 TION (%) TION (%) 0 0 ARIA ARIA V V I REF I REF –0.4 –0.1 –0.25 MEASUREMENT ERROR (%) –0.5 –0.2 –0.50 2 3 4 5 6 –50 0 50 100 150 2 3 4 5 6 INPUT VOLTAGE (V) TEMPERATURE (°C) INPUT VOLTAGE (V) 3815 G25 3815 G26 3815 G27 Rev B 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information PMBus Command Details Typical Applications Package Description Revision History Typical Application Related Parts