Datasheet LT3055 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 500mA, Linear Regulator with Precision Current Limit and Diagnostics |
| 页数 / 页 | 26 / 9 — 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. RMS Output Noise vs CREF/BYP,
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. RMS Output Noise vs CREF/BYP, RMS Output Noise vs Load RMS Output Noise VOUT = 0.6V, CFF = 0 Current, CREF/BYP = 10nF, CFF = 0 vs Feedforward Capacitor (CFF)
110 160 120 f = 10Hz TO 100kHz f = 10Hz TO 100kHz 100 C 150 REF/BYP = 0pF 110 f = 10Hz TO 100kHz ) COUT = 10µF ) 140 C V OUT = 10µF OUT = 5V ) V C OUT = 5V REF/BYP = 10nF 90 130 100 COUT = 10µF RMS RMS RMS VOUT = 3.3V I 80 120 90 FB-DIVIDER = 10µA 110 VOUT = 3.3V ILOAD = 500mA 70 80 100 C 70 V 60 REF/BYP = 100pF 90 OUT = 2.5V 80 60 50 70 VOUT = 2.5V 50 40 60 CREF/BYP = 1nF 50 40 30 40 V 30 VOUT = 1.2V OUT = 1.2V 20 30 OUTPUT NOISE VOLTAGE (µV 20 C OUTPUT NOISE VOLTAGE (µV 20 OUTPUT NOISE VOLTAGE (µV VOUT = 0.6V 10 REF/BYP = 10nF V 10 OUT = 0.6V 10 0 0 0 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 LOAD CURRENT (mA) LOAD CURRENT (mA) FEEDFORWARD CAPACITOR, CFF (nF) 3055 G28 3055 G29 3055 G30
Start-Up Time 10Hz to 100kHz Output Noise 10Hz to 100kHz Output Noise vs REF/BYP Capacitor CREF/BYP = 10nF, CFF = 0 CREF/BYP = 10nF, CFF = 10nF
60 50 40 VOUT VOUT 200µV/DIV 200µV/DIV 30 20 START-UP TIME (ms) 10 C 3055 G32 3055 G33 OUT = 10µF 1ms/DIV COUT = 10µF 1ms/DIV ILOAD = 500mA ILOAD = 500mA VOUT = 5V VOUT = 5V 0 0 10 20 30 40 50 60 70 80 90 100 REF/BYP CAPACITOR (nF) 3055 G31
5V Transient Response 5V Transient Response CFF = 0, IOUT = 50mA to 500mA CFF = 10nF, IOUT = 50mA to 500mA Transient Response (Load Dump)
VOUT VOUT VOUT 200mV/DIV 100mV/DIV 20mV/DIV 45V VIN IOUT IOUT 10V/DIV 500mA/DIV 500mA/DIV 12V V 3055 G34 3055 G35 3055 G36 IN = 6V 100µs/DIV VIN = 6V 20µs/DIV VOUT = 5V 1ms/DIV COUT = 10µF COUT = 10µF IOUT = 100mA IFB-DIVIDER = 10µA IFB-DIVIDER = 10µA COUT = 10µF VOUT = 5V VOUT = 5V Rev. B For more information www.analog.com 9 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. RMS Output Noise vs CREF/BYP, RMS Output Noise vs Load RMS Output Noise VOUT = 0.6V, CFF = 0 Current, CREF/BYP = 10nF, CFF = 0 vs Feedforward Capacitor (CFF)
110 160 120 f = 10Hz TO 100kHz f = 10Hz TO 100kHz 100 C 150 REF/BYP = 0pF 110 f = 10Hz TO 100kHz ) COUT = 10µF ) 140 C V OUT = 10µF OUT = 5V ) V C OUT = 5V REF/BYP = 10nF 90 130 100 COUT = 10µF RMS RMS RMS VOUT = 3.3V I 80 120 90 FB-DIVIDER = 10µA 110 VOUT = 3.3V ILOAD = 500mA 70 80 100 C 70 V 60 REF/BYP = 100pF 90 OUT = 2.5V 80 60 50 70 VOUT = 2.5V 50 40 60 CREF/BYP = 1nF 50 40 30 40 V 30 VOUT = 1.2V OUT = 1.2V 20 30 OUTPUT NOISE VOLTAGE (µV 20 C OUTPUT NOISE VOLTAGE (µV 20 OUTPUT NOISE VOLTAGE (µV VOUT = 0.6V 10 REF/BYP = 10nF V 10 OUT = 0.6V 10 0 0 0 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 LOAD CURRENT (mA) LOAD CURRENT (mA) FEEDFORWARD CAPACITOR, CFF (nF) 3055 G28 3055 G29 3055 G30
Start-Up Time 10Hz to 100kHz Output Noise 10Hz to 100kHz Output Noise vs REF/BYP Capacitor CREF/BYP = 10nF, CFF = 0 CREF/BYP = 10nF, CFF = 10nF
60 50 40 VOUT VOUT 200µV/DIV 200µV/DIV 30 20 START-UP TIME (ms) 10 C 3055 G32 3055 G33 OUT = 10µF 1ms/DIV COUT = 10µF 1ms/DIV ILOAD = 500mA ILOAD = 500mA VOUT = 5V VOUT = 5V 0 0 10 20 30 40 50 60 70 80 90 100 REF/BYP CAPACITOR (nF) 3055 G31
5V Transient Response 5V Transient Response CFF = 0, IOUT = 50mA to 500mA CFF = 10nF, IOUT = 50mA to 500mA Transient Response (Load Dump)
VOUT VOUT VOUT 200mV/DIV 100mV/DIV 20mV/DIV 45V VIN IOUT IOUT 10V/DIV 500mA/DIV 500mA/DIV 12V V 3055 G34 3055 G35 3055 G36 IN = 6V 100µs/DIV VIN = 6V 20µs/DIV VOUT = 5V 1ms/DIV COUT = 10µF COUT = 10µF IOUT = 100mA IFB-DIVIDER = 10µA IFB-DIVIDER = 10µA COUT = 10µF VOUT = 5V VOUT = 5V Rev. B For more information www.analog.com 9 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