Datasheet LT8607, LT8607B (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 42V, 750mA Synchronous Step-Down Regulator with 2.5μA Quiescent Current |
| 页数 / 页 | 22 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 1.3 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Waveforms. (Burst Mode). Transient Response
文件文字版本
LT8607/LT8607B
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Waveforms Switching Waveforms Switching Waveforms (Burst Mode)
I V LOAD ILOAD OUT 200mA/DIV 200mA/DIV 20mV/DIV ILOAD 200mA/DIV V V SW SW 5V/DIV 10V/DIV VSW 10V/DIV 200ns/DIV 200ns/DIV 2µs/DIV 12VIN TO 5VOUT AT 500mA 36V 12V 8607 G26 IN TO 5VOUT AT 500mA IN TO 5VOUT AT 7.5mA 2MHz 8607 G27 2MHz 8607 G28 22µF COUT
Transient Response Transient Response
ILOAD ILOAD 200mA/DIV 200mA/DIV VOUT VOUT 100mV/DIV 100mV/DIV 200µs/DIV 100µs/DIV VIN =12V V 8607 G29 IN =12V V 8607 G30 OUT = 5V VOUT = 5V 50mA TO 550mA 250mA TO 750mA COUT = 22µF COUT = 22µF fSW = 2MHz fSW = 2MHz
Radiated EMI Performance (CISPR 25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 10 AMPLITUDE (dBµ 5 0 CLASS 5 PEAK LIMIT –5 SPREAD SPECTRUM MODE FIXED FREQUENCY –10 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 8607 G31 DC2565A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 500mA, fSW = 2MHz Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Waveforms Switching Waveforms Switching Waveforms (Burst Mode)
I V LOAD ILOAD OUT 200mA/DIV 200mA/DIV 20mV/DIV ILOAD 200mA/DIV V V SW SW 5V/DIV 10V/DIV VSW 10V/DIV 200ns/DIV 200ns/DIV 2µs/DIV 12VIN TO 5VOUT AT 500mA 36V 12V 8607 G26 IN TO 5VOUT AT 500mA IN TO 5VOUT AT 7.5mA 2MHz 8607 G27 2MHz 8607 G28 22µF COUT
Transient Response Transient Response
ILOAD ILOAD 200mA/DIV 200mA/DIV VOUT VOUT 100mV/DIV 100mV/DIV 200µs/DIV 100µs/DIV VIN =12V V 8607 G29 IN =12V V 8607 G30 OUT = 5V VOUT = 5V 50mA TO 550mA 250mA TO 750mA COUT = 22µF COUT = 22µF fSW = 2MHz fSW = 2MHz
Radiated EMI Performance (CISPR 25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 10 AMPLITUDE (dBµ 5 0 CLASS 5 PEAK LIMIT –5 SPREAD SPECTRUM MODE FIXED FREQUENCY –10 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 8607 G31 DC2565A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 500mA, fSW = 2MHz Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts