Datasheet LTC7878 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 70V Parallelable 4-Switch Buck-Boost Controller with Inductor DCR Current Sensing |
| 页数 / 页 | 30 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 2.4 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Forced Continuous Mode. Operation Buck-Boost Region
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LTC7878
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Forced Continuous Mode Forced Continuous Mode Forced Continuous Mode Operation Buck-Boost Region Operation Buck Region Operation Boost Region (12VIN, 12VOUT) (24VIN, 12VOUT)
SW1 5V/DIV SW1 SW1 10V/DIV 20V/DIV SW2 SW2 SW2 10V/DIV 10V/DIV 10V/DIV VOUT (AC) VOUT (AC) VOUT (AC) 50mV/DIV 50mV/DIV 50mV/DIV IL IL IL 2A/DIV 1A/DIV 5A/DIV 7878 G08 7878 G09 2µs/DIV 7878 G07 2µs/DIV 2µs/DIV 8VIN, 12VOUT
Pulse-Skipping Mode Waveforms Pulse-Skipping Mode Waveforms Pulse-Skipping Mode Waveforms with 100mA Load Boost Region with 100mA Load Buck-Boost with 100mA Load Buck Region (8VIN, 12VOUT) Region (12VIN, 12VOUT) (24VIN, 12VOUT)
SW1 SW1 SW1 5V/DIV 10V/DIV 20V/DIV SW2 SW2 SW2 10V/DIV 10V/DIV 10V/DIV VOUT (AC) VOUT (AC) VOUT (AC) 50mV/DIV 50mV/DIV 50mV/DIV IL IL IL 2A/DIV 1A/DIV 2A/DIV 2µs/DIV 7878 G10 2µs/DIV 7878 G11 2µs/DIV 7878 G12 Rev. C 6 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 Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Forced Continuous Mode Forced Continuous Mode Forced Continuous Mode Operation Buck-Boost Region Operation Buck Region Operation Boost Region (12VIN, 12VOUT) (24VIN, 12VOUT)
SW1 5V/DIV SW1 SW1 10V/DIV 20V/DIV SW2 SW2 SW2 10V/DIV 10V/DIV 10V/DIV VOUT (AC) VOUT (AC) VOUT (AC) 50mV/DIV 50mV/DIV 50mV/DIV IL IL IL 2A/DIV 1A/DIV 5A/DIV 7878 G08 7878 G09 2µs/DIV 7878 G07 2µs/DIV 2µs/DIV 8VIN, 12VOUT
Pulse-Skipping Mode Waveforms Pulse-Skipping Mode Waveforms Pulse-Skipping Mode Waveforms with 100mA Load Boost Region with 100mA Load Buck-Boost with 100mA Load Buck Region (8VIN, 12VOUT) Region (12VIN, 12VOUT) (24VIN, 12VOUT)
SW1 SW1 SW1 5V/DIV 10V/DIV 20V/DIV SW2 SW2 SW2 10V/DIV 10V/DIV 10V/DIV VOUT (AC) VOUT (AC) VOUT (AC) 50mV/DIV 50mV/DIV 50mV/DIV IL IL IL 2A/DIV 1A/DIV 2A/DIV 2µs/DIV 7878 G10 2µs/DIV 7878 G11 2µs/DIV 7878 G12 Rev. C 6 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 Typical Applications Package Description Typical Application Related Parts