Datasheet LT8606, LT8606B (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 42V, 350mA Synchronous Step-Down Regulator with 2.5μA Quiescent Current |
| 页数 / 页 | 24 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 1.8 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Waveforms. Transient Response
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LT8606/LT8606B
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Waveforms Switching Waveforms Switching Waveforms
V VSW SW SW 5V/DIV 10V/DIV 5V/DIV VOUT I 20mV/DIV I LOAD LOAD 100mA/DIV 100mA/DIV ILOAD 100mA/DIV 8606 G26 8606 G27 8606 G28 200ns/DIV 200ns/DIV 2µs/DIV 12VIN TO 5VOUT AT 250mA 36VIN TO 5VOUT AT 250mA 12VIN TO 5VOUT AT 5mA 2MHz 2MHz 10µF COUT
Transient Response Transient Response
VOUT VOUT 100mV/DIV 100mV/DIV ILOAD ILOAD 100mA/DIV 100mA/DIV 8606 G29 8606 G30 200µs/DIV 200µs/DIV VIN =12V, VOUT = 5V VIN =12V, VOUT = 5V 25mA TO 275mA 100mA TO 350mA COUT = 22µF COUT = 22µF fSW = 2MHz fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V) 30 25 20 15 AMPLITUDE (dBµ 105 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) 8606 G31 DC2564A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 350mA, fSW = 2MHz Rev C 8 For more information www.analog.com Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION 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
V VSW SW SW 5V/DIV 10V/DIV 5V/DIV VOUT I 20mV/DIV I LOAD LOAD 100mA/DIV 100mA/DIV ILOAD 100mA/DIV 8606 G26 8606 G27 8606 G28 200ns/DIV 200ns/DIV 2µs/DIV 12VIN TO 5VOUT AT 250mA 36VIN TO 5VOUT AT 250mA 12VIN TO 5VOUT AT 5mA 2MHz 2MHz 10µF COUT
Transient Response Transient Response
VOUT VOUT 100mV/DIV 100mV/DIV ILOAD ILOAD 100mA/DIV 100mA/DIV 8606 G29 8606 G30 200µs/DIV 200µs/DIV VIN =12V, VOUT = 5V VIN =12V, VOUT = 5V 25mA TO 275mA 100mA TO 350mA COUT = 22µF COUT = 22µF fSW = 2MHz fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V) 30 25 20 15 AMPLITUDE (dBµ 105 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) 8606 G31 DC2564A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 350mA, fSW = 2MHz Rev C 8 For more information www.analog.com Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS