Datasheet LT3055 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 500mA, Linear Regulator with Precision Current Limit and Diagnostics |
| 页数 / 页 | 26 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 1.9 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current. Input Ripple Rejection
该数据表的模型线
- LT3055EDE#PBF LT3055EDE#TRPBF LT3055EDE-3.3#PBF LT3055EDE-3.3#TRPBF LT3055EDE-5#PBF LT3055EDE-5#TRPBF LT3055EMSE#PBF LT3055EMSE#TRPBF LT3055EMSE-3.3#PBF LT3055EMSE-3.3#TRPBF LT3055EMSE-5#PBF LT3055EMSE-5#TRPBF LT3055HMSE#PBF LT3055HMSE#TRPBF LT3055HMSE-3.3#PBF LT3055HMSE-3.3#TRPBF LT3055HMSE-5#PBF LT3055HMSE-5#TRPBF LT3055IDE#PBF LT3055IDE#TRPBF LT3055IDE-3.3#PBF LT3055IDE-3.3#TRPBF LT3055IDE-5#PBF LT3055IDE-5#TRPBF LT3055IMSE#PBF LT3055IMSE#TRPBF LT3055IMSE-3.3#PBF LT3055IMSE-3.3#TRPBF LT3055IMSE-5#PBF LT3055IMSE-5#TRPBF LT3055MPMSE#PBF LT3055MPMSE#TRPBF LT3055MPMSE-3.3#PBF LT3055MPMSE-3.3#TRPBF LT3055MPMSE-5#PBF LT3055MPMSE-5#TRPBF
文件文字版本
LT3055 Series
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current Input Ripple Rejection Input Ripple Rejection
100 90 90 VOUT = VADJ = 1.2V CREF/BYP = 0pF COUT = 10µF 90 VIN = 0V 80 CREF/BYP = 100pF 80 COUT = 3.3µF C 80 REF/BYP = 10nF 70 70 70 60 60 60 50 50 50 40 40 40 30 30 OUTPUT CURRENT (µA) 30 RIPPLE REJECTION (dB) I RIPPLE REJECTION (dB) LOAD = 500mA ILOAD = 500mA 20 I 20 20 ADJ COUT = 10µF CREF/BYP = 10nF 10 I V V OUT 10 OUT = 3.3V 10 OUT = 3.3V VIN = 4.3V + 50mVRMS RIPPLE VIN = 4.3V + 50mVRMS RIPPLE 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M TEMPERATURE (°C) FREQUENCY (Hz) FREQUENCY (Hz) 3055 G19 3055 G20 3055 G21
Input Ripple Rejection Minimum Input Voltage Load Regulation
90 2.2 16 ILOAD = 500mA ∆IL = 1mA TO 500mA 80 2.0 14 VIN = VOUT + 1V, 2.1V FOR LT3055 1.8 12 70 LT3055, VOUT = 0.6V 1.6 10 LT3055-3.3 60 LT3055-5 1.4 8 50 6 1.2 4 40 1.0 3 30 0.8 2 I RIPPLE REJECTION (dB) LOAD = 500mA 0.6 20 C LOAD REGULATION (mV) 0 REF/BYP = 10nF V MINIMUM INPUT VOLTAGE (V) 0.4 OUT = 3.3V –2 10 VIN = 4.3V + 50mVRMS RIPPLE 0.2 f = 120Hz –4 0 0 –6 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3055 G22 3055 G23 3055 G24
Output Noise Spectral Density Output Noise Spectral Density Output Noise Spectral Density CREF/BYP = 0, CFF = 0 vs CREF/BYP, CFF = 0 vs CFF, CREF/BYP = 10nF
) 10 ) 10 ) 10 Hz COUT = 10µF Hz COUT = 10µF VOUT = 5V I Hz L = 500mA V I C OUT = 5V L = 500mA OUT = 10µF IL = 500mA 1 1 1 VOUT = 0.6V 0.1 V 0.1 0.1 OUT = 5V VOUT = 3.3V CFF = 0pF VOUT = 2.5V CREF/BYP = 100pF CFF = 100pF VOUT = 1.2V CREF/BYP = 1nF CFF = 1nF V C OUTPUT NOISE SPECTRAL DENSITY (µV/√ OUT = 0.6V REF/BYP = 10nF CFF = 10nF 0.01 OUTPUT NOISE SPECTRAL DENSITY (µV/√ 0.01 OUTPUT NOISE SPECTRAL DENSITY (µV/√ 0.01 10 100 1k 10k 100k 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 3055 G25 3055 G26 3055 G27 Rev. B 8 For more information www.analog.com 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 Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current Input Ripple Rejection Input Ripple Rejection
100 90 90 VOUT = VADJ = 1.2V CREF/BYP = 0pF COUT = 10µF 90 VIN = 0V 80 CREF/BYP = 100pF 80 COUT = 3.3µF C 80 REF/BYP = 10nF 70 70 70 60 60 60 50 50 50 40 40 40 30 30 OUTPUT CURRENT (µA) 30 RIPPLE REJECTION (dB) I RIPPLE REJECTION (dB) LOAD = 500mA ILOAD = 500mA 20 I 20 20 ADJ COUT = 10µF CREF/BYP = 10nF 10 I V V OUT 10 OUT = 3.3V 10 OUT = 3.3V VIN = 4.3V + 50mVRMS RIPPLE VIN = 4.3V + 50mVRMS RIPPLE 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M TEMPERATURE (°C) FREQUENCY (Hz) FREQUENCY (Hz) 3055 G19 3055 G20 3055 G21
Input Ripple Rejection Minimum Input Voltage Load Regulation
90 2.2 16 ILOAD = 500mA ∆IL = 1mA TO 500mA 80 2.0 14 VIN = VOUT + 1V, 2.1V FOR LT3055 1.8 12 70 LT3055, VOUT = 0.6V 1.6 10 LT3055-3.3 60 LT3055-5 1.4 8 50 6 1.2 4 40 1.0 3 30 0.8 2 I RIPPLE REJECTION (dB) LOAD = 500mA 0.6 20 C LOAD REGULATION (mV) 0 REF/BYP = 10nF V MINIMUM INPUT VOLTAGE (V) 0.4 OUT = 3.3V –2 10 VIN = 4.3V + 50mVRMS RIPPLE 0.2 f = 120Hz –4 0 0 –6 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3055 G22 3055 G23 3055 G24
Output Noise Spectral Density Output Noise Spectral Density Output Noise Spectral Density CREF/BYP = 0, CFF = 0 vs CREF/BYP, CFF = 0 vs CFF, CREF/BYP = 10nF
) 10 ) 10 ) 10 Hz COUT = 10µF Hz COUT = 10µF VOUT = 5V I Hz L = 500mA V I C OUT = 5V L = 500mA OUT = 10µF IL = 500mA 1 1 1 VOUT = 0.6V 0.1 V 0.1 0.1 OUT = 5V VOUT = 3.3V CFF = 0pF VOUT = 2.5V CREF/BYP = 100pF CFF = 100pF VOUT = 1.2V CREF/BYP = 1nF CFF = 1nF V C OUTPUT NOISE SPECTRAL DENSITY (µV/√ OUT = 0.6V REF/BYP = 10nF CFF = 10nF 0.01 OUTPUT NOISE SPECTRAL DENSITY (µV/√ 0.01 OUTPUT NOISE SPECTRAL DENSITY (µV/√ 0.01 10 100 1k 10k 100k 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 3055 G25 3055 G26 3055 G27 Rev. B 8 For more information www.analog.com 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 Revision History Typical Application Related Parts