Datasheet LT3048 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Low Noise Bias Generator in 2mm × 2mm DFN |
| 页数 / 页 | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Operating Waveforms: DCM. Operating … |
| 修订版 | B |
| 文件格式/大小 | PDF / 1.6 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Operating Waveforms: DCM. Operating Waveforms: CCM. LT3048-12 Efficiency. LT3048-12 LDOOUT
该数据表的模型线
- LT3048EDC#TRMPBF LT3048EDC#TRPBF LT3048EDC-12#TRMPBF LT3048EDC-12#TRPBF LT3048EDC-15#TRMPBF LT3048EDC-15#TRPBF LT3048EDC-3.3#TRMPBF LT3048EDC-3.3#TRPBF LT3048EDC-5#TRMPBF LT3048EDC-5#TRPBF LT3048IDC#TRMPBF LT3048IDC#TRPBF LT3048IDC-12#TRMPBF LT3048IDC-12#TRPBF LT3048IDC-15#TRMPBF LT3048IDC-15#TRPBF LT3048IDC-3.3#TRMPBF LT3048IDC-3.3#TRPBF LT3048IDC-5#TRMPBF LT3048IDC-5#TRPBF
文件文字版本
LT3048 Series
TYPICAL PERFORMANCE CHARACTERISTICS Operating Waveforms: DCM Operating Waveforms: CCM LT3048-12 Efficiency
80 70 VSW VSW 60 5V/DIV 5V/DIV 50 40 EFFICIENCY (%) 30 VOUT = 12V IL IL L = 10µH 100mA/DIV 100mA/DIV 20 DCR = 650mΩ VIN = 2.7V 10 VIN = 3.3V VIN = 3.6V 0 3048 G10 VIN = 3.6V 500ns/DIV 3048 G11 VIN = 3.6V 500ns/DIV 0 5 10 15 20 25 30 VOUT = 15V VOUT = 15V L = 2.2µH LOAD CURRENT (mA) L = 10µH ILOAD = 15mA ILOAD = 20mA 3048 G12
LT3048-12 LDOOUT Load Regulation LT3048-12 LDOOUT Voltage LT3048-12 LDOOUT Noise
12.3 12.3 10000 ) 12.2 12.2 Hz /√ 1000 12.1 12.1 Y (nV 100 TAGE (V) TAGE (V) 12.0 12.0 V 10 IN = 3.6V V 11.9 11.9 OUT = 12V LDOOUT VOL LDOOUT VOL L = 10μH CBSTOUT = 4.7μF 1 11.8 11.8 CLDOOUT = 1μF NOISE SPECTRAL DENSIT CBYP = 1nF ILOAD = 31mA 11.7 11.7 0.1 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M LOAD CURRENT (mA) TEMPERATURE (°C) FREQUENCY (Hz) 3048 G13 3048 G14 3048 G15
LT3048-5 LDOOUT LT3048-5 Efficiency Load Regulation LT3048-5 LDOOUT Voltage
70 5.125 5.125 5.100 5.100 60 5.075 5.075 50 5.050 5.050 5.025 5.025 40 AGE (V) LT TAGE (V) 5.000 5.0 30 4.975 4.975 EFFICIENCY (%) VOUT = 5V 20 L = 4.7µH LDOOUT VO 4.950 LDOOUT VOL 4.950 DCR = 350mΩ 4.925 V 4.925 10 IN = 2.7V VIN = 3.3V 4.900 4.900 VIN = 3.6V 0 4.875 4.875 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) LOAD CURRENT (mA) TEMPERATURE (°C) 3048 G17 3048 G18 3048 G16 Rev B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions LT3048 LT3048-xx LT3048 Block Diagrams Operation Applications Information Package Description Revision History Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Operating Waveforms: DCM Operating Waveforms: CCM LT3048-12 Efficiency
80 70 VSW VSW 60 5V/DIV 5V/DIV 50 40 EFFICIENCY (%) 30 VOUT = 12V IL IL L = 10µH 100mA/DIV 100mA/DIV 20 DCR = 650mΩ VIN = 2.7V 10 VIN = 3.3V VIN = 3.6V 0 3048 G10 VIN = 3.6V 500ns/DIV 3048 G11 VIN = 3.6V 500ns/DIV 0 5 10 15 20 25 30 VOUT = 15V VOUT = 15V L = 2.2µH LOAD CURRENT (mA) L = 10µH ILOAD = 15mA ILOAD = 20mA 3048 G12
LT3048-12 LDOOUT Load Regulation LT3048-12 LDOOUT Voltage LT3048-12 LDOOUT Noise
12.3 12.3 10000 ) 12.2 12.2 Hz /√ 1000 12.1 12.1 Y (nV 100 TAGE (V) TAGE (V) 12.0 12.0 V 10 IN = 3.6V V 11.9 11.9 OUT = 12V LDOOUT VOL LDOOUT VOL L = 10μH CBSTOUT = 4.7μF 1 11.8 11.8 CLDOOUT = 1μF NOISE SPECTRAL DENSIT CBYP = 1nF ILOAD = 31mA 11.7 11.7 0.1 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M LOAD CURRENT (mA) TEMPERATURE (°C) FREQUENCY (Hz) 3048 G13 3048 G14 3048 G15
LT3048-5 LDOOUT LT3048-5 Efficiency Load Regulation LT3048-5 LDOOUT Voltage
70 5.125 5.125 5.100 5.100 60 5.075 5.075 50 5.050 5.050 5.025 5.025 40 AGE (V) LT TAGE (V) 5.000 5.0 30 4.975 4.975 EFFICIENCY (%) VOUT = 5V 20 L = 4.7µH LDOOUT VO 4.950 LDOOUT VOL 4.950 DCR = 350mΩ 4.925 V 4.925 10 IN = 2.7V VIN = 3.3V 4.900 4.900 VIN = 3.6V 0 4.875 4.875 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) LOAD CURRENT (mA) TEMPERATURE (°C) 3048 G17 3048 G18 3048 G16 Rev B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions LT3048 LT3048-xx LT3048 Block Diagrams Operation Applications Information Package Description Revision History Related Parts