Datasheet LT8304, LT8304-1 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/2A Switch |
| 页数 / 页 | 28 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency. Output Load and Line Regulation
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LT8304/LT8304-1
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency Output Load and Line Regulation Output Temperature Variation vs Load Current
5.20 5.3 500 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION 5.15 VIN = 48V 5.2 IOUT = 1A 400 5.10 5.1 5.05 RTC = 100k 300 TAGE (V) TAGE (V) 5.00 5.0 4.95 RTC = OPEN 200 4.9 FREQUENCY (kHz) OUTPUT VOL OUTPUT VOL 4.90 V 100 IN = 24V 4.8 VIN = 24V 4.85 VIN = 48V VIN = 48V VIN = 72V VIN = 72V 4.80 4.7 0 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 –50 –25 0 25 50 75 100 125 150 0 0.6 1.2 1.8 2.4 3 3.6 4.2 LOAD CURRENT (A) TEMPERATURE (°) LOAD CURRENT (A) 8304 G01 8304 G02 8304 G03
Boundary Mode Waveforms Discontinuous Mode Waveforms Burst Mode Operation Waveforms
VSW V 50V/DIV SW 50V/DIV VSW 50V/DIV V V OUT OUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV 2µs/DIV 8304 G04 2µs/DIV 8304 G05 20µs/DIV 8304 G06 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION VIN = 48V VIN = 48V VIN = 48V IOUT = 3A IOUT = 0.5A IOUT = 20mA
VIN Quiescent Current, VIN Quiescent Current, VIN Shutdown Current Sleep Mode Active Mode
10 150 450 TJ = 150°C TJ = 25°C TJ = 150°C T T 8 J = –50°C 140 J = 150°C 430 130 6 410 TJ = 25°C (µA) (µA) 120 TJ = 25°C (µA) I Q I Q I Q 4 TJ = –50°C 390 110 TJ = –50°C 2 100 370 0 90 350 0 20 40 60 80 100 0 20 40 60 80 100 0 20 40 60 80 100 VIN (V) VIN (V) VIN (V) 8304 G07 8304 G08 8304 G09 8304fa 4 For more information www.linear.com/LT8304 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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. Switching Frequency Output Load and Line Regulation Output Temperature Variation vs Load Current
5.20 5.3 500 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION 5.15 VIN = 48V 5.2 IOUT = 1A 400 5.10 5.1 5.05 RTC = 100k 300 TAGE (V) TAGE (V) 5.00 5.0 4.95 RTC = OPEN 200 4.9 FREQUENCY (kHz) OUTPUT VOL OUTPUT VOL 4.90 V 100 IN = 24V 4.8 VIN = 24V 4.85 VIN = 48V VIN = 48V VIN = 72V VIN = 72V 4.80 4.7 0 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 –50 –25 0 25 50 75 100 125 150 0 0.6 1.2 1.8 2.4 3 3.6 4.2 LOAD CURRENT (A) TEMPERATURE (°) LOAD CURRENT (A) 8304 G01 8304 G02 8304 G03
Boundary Mode Waveforms Discontinuous Mode Waveforms Burst Mode Operation Waveforms
VSW V 50V/DIV SW 50V/DIV VSW 50V/DIV V V OUT OUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV 2µs/DIV 8304 G04 2µs/DIV 8304 G05 20µs/DIV 8304 G06 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION VIN = 48V VIN = 48V VIN = 48V IOUT = 3A IOUT = 0.5A IOUT = 20mA
VIN Quiescent Current, VIN Quiescent Current, VIN Shutdown Current Sleep Mode Active Mode
10 150 450 TJ = 150°C TJ = 25°C TJ = 150°C T T 8 J = –50°C 140 J = 150°C 430 130 6 410 TJ = 25°C (µA) (µA) 120 TJ = 25°C (µA) I Q I Q I Q 4 TJ = –50°C 390 110 TJ = –50°C 2 100 370 0 90 350 0 20 40 60 80 100 0 20 40 60 80 100 0 20 40 60 80 100 VIN (V) VIN (V) VIN (V) 8304 G07 8304 G08 8304 G09 8304fa 4 For more information www.linear.com/LT8304 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts