Datasheet LTC7878 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 70V Parallelable 4-Switch Buck-Boost Controller with Inductor DCR Current Sensing |
| 页数 / 页 | 30 / 7 — 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. Two-Phase Parallel Operation
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LTC7878
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Two-Phase Parallel Operation Two-Phase Parallel Operation Two-Phase Parallel Operation Load Step (8VIN, 12VOUT) Load Step (12VIN, 12VOUT) Load Step (24VIN, 12VOUT)
VOUT (AC) VOUT (AC) VOUT (AC) 500mV/DIV 500mV/DIV 500mV/DIV IL1 IL1 IL1 10A/DIV 5A/DIV 10A/DIV IL2 IL2 IL2 10A/DIV 5A/DIV 10A/DIV IOUT IOUT IOUT 10A/DIV 10A/DIV 10A/DIV 200µs/DIV 7878 G13 200µs/DIV 7878 G14 200µs/DIV 7878 G15
Boost Mode Start-Up with 5Ω Buck Mode Start-Up with 5Ω Load Input Voltage Line Transient Load (8VIN to 12VOUT) (24VIN to 12VOUT) 8VIN to 16VIN to 8VIN
SW1 SW1 V 10V/DIV 20V/DIV IN 10V/DIV SW2 SW2 10V/DIV 10V/DIV VOUT (AC) 500mV/DIV VOUT VOUT 10V/DIV 10V/DIV IL I 2A/DIV L IL 5A/DIV 5A/DIV 2ms/DIV 7878 G16 2ms/DIV 7878 G17 500µs/DIV 7878 G18 Rev. C For more information www.analog.com 7 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. Two-Phase Parallel Operation Two-Phase Parallel Operation Two-Phase Parallel Operation Load Step (8VIN, 12VOUT) Load Step (12VIN, 12VOUT) Load Step (24VIN, 12VOUT)
VOUT (AC) VOUT (AC) VOUT (AC) 500mV/DIV 500mV/DIV 500mV/DIV IL1 IL1 IL1 10A/DIV 5A/DIV 10A/DIV IL2 IL2 IL2 10A/DIV 5A/DIV 10A/DIV IOUT IOUT IOUT 10A/DIV 10A/DIV 10A/DIV 200µs/DIV 7878 G13 200µs/DIV 7878 G14 200µs/DIV 7878 G15
Boost Mode Start-Up with 5Ω Buck Mode Start-Up with 5Ω Load Input Voltage Line Transient Load (8VIN to 12VOUT) (24VIN to 12VOUT) 8VIN to 16VIN to 8VIN
SW1 SW1 V 10V/DIV 20V/DIV IN 10V/DIV SW2 SW2 10V/DIV 10V/DIV VOUT (AC) 500mV/DIV VOUT VOUT 10V/DIV 10V/DIV IL I 2A/DIV L IL 5A/DIV 5A/DIV 2ms/DIV 7878 G16 2ms/DIV 7878 G17 500µs/DIV 7878 G18 Rev. C For more information www.analog.com 7 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