Datasheet LTC3780 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | High Efficiency, Synchronous, 4-Switch Buck-Boost Controller |
| 页数 / 页 | 30 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | G |
| 文件格式/大小 | PDF / 376 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Continuous Current Mode. (CCM, VIN = 6V, VOUT = 12V)
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LTC3780
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Continuous Current Mode Continuous Current Mode Continuous Current Mode (CCM, VIN = 6V, VOUT = 12V) (CCM, VIN = 12V, VOUT = 12V) (CCM, VIN = 18V, VOUT = 12V)
SW2 SW2 10V/DIV SW2 10V/DIV 10V/DIV SW1 SW1 10V/DIV 10V/DIV SW1 10V/DIV VOUT 100mV/DIV V V OUT OUT 100mV/DIV 100mV/DIV IL IL IL 2A/DIV 2A/DIV 2A/DIV V 3780 G10 IN = 6V 5µs/DIV V 3780 G11 IN = 12V 5µs/DIV V 3780 G12 IN = 18V 5µs/DIV VOUT = 12V VOUT = 12V VOUT = 12V
Burst Mode Operation Burst Mode Operation Skip-Cycle Mode (VIN = 6V, VOUT = 12V) (VIN = 12V, VOUT = 12V) (VIN = 18V, VOUT = 12V)
SW2 SW2 10V/DIV 10V/DIV SW2 10V/DIV SW1 SW1 10V/DIV 10V/DIV SW1 10V/DIV VOUT VOUT 500mV/DIV 200mV/DIV VOUT 100mV/DIV IL IL 2A/DIV 2A/DIV IL 1A/DIV V 3780 G13 3780 G14 3780 G15 IN = 6V 25µs/DIV VIN = 12V 10µs/DIV VIN = 18V 2.5µs/DIV VOUT = 12V VOUT = 12V VOUT = 12V
Discontinuous Current Mode Discontinuous Current Mode Discontinuous Current Mode (DCM, VIN = 6V, VOUT = 12V) (DCM, VIN = 12V, VOUT = 12V) (DCM, VIN = 18V, VOUT = 12V)
SW2 10V/DIV SW2 SW2 10V/DIV 10V/DIV SW1 10V/DIV SW1 SW1 10V/DIV 10V/DIV VOUT VOUT 100mV/DIV 100mV/DIV VOUT 100mV/DIV IL IL IL 1A/DIV 2A/DIV 1A/DIV V 3780 G16 3780 G17 3780 G18 IN = 6V 5µs/DIV VIN = 12V 5µs/DIV VIN = 18V 2.5µs/DIV VOUT = 12V VOUT = 12V VOUT = 12V Rev G For more information www.analog.com 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Applications Information Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Continuous Current Mode Continuous Current Mode Continuous Current Mode (CCM, VIN = 6V, VOUT = 12V) (CCM, VIN = 12V, VOUT = 12V) (CCM, VIN = 18V, VOUT = 12V)
SW2 SW2 10V/DIV SW2 10V/DIV 10V/DIV SW1 SW1 10V/DIV 10V/DIV SW1 10V/DIV VOUT 100mV/DIV V V OUT OUT 100mV/DIV 100mV/DIV IL IL IL 2A/DIV 2A/DIV 2A/DIV V 3780 G10 IN = 6V 5µs/DIV V 3780 G11 IN = 12V 5µs/DIV V 3780 G12 IN = 18V 5µs/DIV VOUT = 12V VOUT = 12V VOUT = 12V
Burst Mode Operation Burst Mode Operation Skip-Cycle Mode (VIN = 6V, VOUT = 12V) (VIN = 12V, VOUT = 12V) (VIN = 18V, VOUT = 12V)
SW2 SW2 10V/DIV 10V/DIV SW2 10V/DIV SW1 SW1 10V/DIV 10V/DIV SW1 10V/DIV VOUT VOUT 500mV/DIV 200mV/DIV VOUT 100mV/DIV IL IL 2A/DIV 2A/DIV IL 1A/DIV V 3780 G13 3780 G14 3780 G15 IN = 6V 25µs/DIV VIN = 12V 10µs/DIV VIN = 18V 2.5µs/DIV VOUT = 12V VOUT = 12V VOUT = 12V
Discontinuous Current Mode Discontinuous Current Mode Discontinuous Current Mode (DCM, VIN = 6V, VOUT = 12V) (DCM, VIN = 12V, VOUT = 12V) (DCM, VIN = 18V, VOUT = 12V)
SW2 10V/DIV SW2 SW2 10V/DIV 10V/DIV SW1 10V/DIV SW1 SW1 10V/DIV 10V/DIV VOUT VOUT 100mV/DIV 100mV/DIV VOUT 100mV/DIV IL IL IL 1A/DIV 2A/DIV 1A/DIV V 3780 G16 3780 G17 3780 G18 IN = 6V 5µs/DIV VIN = 12V 5µs/DIV VIN = 18V 2.5µs/DIV VOUT = 12V VOUT = 12V VOUT = 12V Rev G For more information www.analog.com 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Applications Information Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts