Datasheet LT3081 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 1.5A Single Resistor Rugged Linear Regulator with Monitors |
| 页数 / 页 | 32 / 8 — Typical perForMance characTerisTics TJ = 25°C unless otherwise specified. … |
| 文件格式/大小 | PDF / 475 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics TJ = 25°C unless otherwise specified. Linear Regulator. Current Source. Turn-On Response
该数据表的模型线
- LT3081EDF#PBF LT3081EDF#PBF LT3081EDF#TRPBF LT3081EDF#TRPBF LT3081EFE#PBF LT3081EFE#PBF LT3081EFE#TRPBF LT3081EFE#TRPBF LT3081ER#PBF LT3081ER#PBF LT3081ER#TRPBF LT3081ER#TRPBF LT3081ET7#06PBF LT3081ET7#06PBF LT3081ET7#PBF LT3081ET7#PBF LT3081HFE#PBF LT3081HFE#PBF LT3081HFE#TRPBF LT3081HFE#TRPBF LT3081HT7#PBF LT3081HT7#PBF LT3081IDF#PBF LT3081IDF#PBF LT3081IDF#TRPBF LT3081IDF#TRPBF LT3081IFE#PBF LT3081IFE#PBF LT3081IFE#TRPBF LT3081IFE#TRPBF LT3081IR#PBF LT3081IR#PBF LT3081IR#TRPBF LT3081IR#TRPBF LT3081IT7#PBF LT3081IT7#PBF LT3081MPFE#PBF LT3081MPFE#PBF LT3081MPFE#TRPBF LT3081MPFE#TRPBF LT3081MPT7#PBF LT3081MPT7#PBF
文件文字版本
LT3081
Typical perForMance characTerisTics TJ = 25°C unless otherwise specified. Linear Regulator Current Source Current Source Turn-On Response Turn-On Response Turn-On Response
4 4 4 100mA CURRENT SOURCE CONFIGURATION 1A CURRENT SOURCE CONFIGURATION 3 3 3 2 2 2 1 1 R 1 R INPUT VOLTAGE (V) INPUT VOLTAGE (V) SET = 6.04k SET = 6.04k R INPUT VOLTAGE (V) R 0 0 OUT = 3.01Ω OUT = 0.3Ω C 0 OUT = 0 COUT = 0 C C 1.0 150 SET = 20pF 1.5 SET = 20pF 0.5 R 100 1.0 SET = 20k RLOAD = 0.67Ω 0 COUT = 2.2µF CERAMIC 50 0.5 CSET = 0.1µF –0.5 0 0 OUTPUT VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 20 OUTPUT CURRENT (mA) 0 20 40 60 80 100 120 140 160 180 200 OUTPUT CURRENT (A) 0 20 40 60 80 100 120 140 160 180 200 TIME (ms) TIME (µs) TIME (µs) 3081 G27 3081 G28 3081 G29
Residual Output Voltage with Less Than Minimum Load Ripple Rejection Ripple Rejection
800 100 100 COUT = 2.2µF CERAMIC COUT = 2.2µF CERAMIC 700 90 CSET = 0.1µF 90 CSET = 0.1µF V V I IN = 36V 80 IN = VOUT(NOMINAL) + 2V 80 LOAD = 100mA 600 V 70 IN = 5V 70 500 60 60 400 50 50 300 40 40 SET PIN = 0V 30 OUTPUT VOLTAGE (mV) 30 200 VIN VOUT RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) 20 20 R ILOAD = 100mA VIN = VOUT + 5V 100 TEST 10 ILOAD = 500mA 10 VIN = VOUT + 2V ILOAD = 1.5A VIN = VOUT + 1.5V 0 0 0 0 500 1000 1500 2000 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M RTEST (Ω) FREQUENCY (Hz) FREQUENCY (Hz) 3081 G30 3081 G31 3081 G32
Output Impedance Ripple Rejection (120Hz)
10M 90 CURRENT SOURCE CONFIGURATION 88 1M 86 100k 84 10k 82 80 1k 78 VIN = VOUT(NOMINAL) + 2V 100 76 RIPPLE = 500mVP-P OUTPUT IMPEDANCE (Ω) RIPPLE REJECTION (dB) f = 120Hz I 74 I 10 SOURCE = 10mA LOAD = 0.1A ISOURCE = 100mA 72 COUT = 2.2µF ISOURCE = 1A CSET = 0.1µF 1 70 10 100 1k 10k 100k 1M 10M –50 –25 0 25 50 75 100 125 150 FREQUENCY (Hz) TEMPERATURE (°C) 3081 G33 3081 G34 3081fc 8 For more information www.linear.com/LT3081 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TJ = 25°C unless otherwise specified. Linear Regulator Current Source Current Source Turn-On Response Turn-On Response Turn-On Response
4 4 4 100mA CURRENT SOURCE CONFIGURATION 1A CURRENT SOURCE CONFIGURATION 3 3 3 2 2 2 1 1 R 1 R INPUT VOLTAGE (V) INPUT VOLTAGE (V) SET = 6.04k SET = 6.04k R INPUT VOLTAGE (V) R 0 0 OUT = 3.01Ω OUT = 0.3Ω C 0 OUT = 0 COUT = 0 C C 1.0 150 SET = 20pF 1.5 SET = 20pF 0.5 R 100 1.0 SET = 20k RLOAD = 0.67Ω 0 COUT = 2.2µF CERAMIC 50 0.5 CSET = 0.1µF –0.5 0 0 OUTPUT VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 20 OUTPUT CURRENT (mA) 0 20 40 60 80 100 120 140 160 180 200 OUTPUT CURRENT (A) 0 20 40 60 80 100 120 140 160 180 200 TIME (ms) TIME (µs) TIME (µs) 3081 G27 3081 G28 3081 G29
Residual Output Voltage with Less Than Minimum Load Ripple Rejection Ripple Rejection
800 100 100 COUT = 2.2µF CERAMIC COUT = 2.2µF CERAMIC 700 90 CSET = 0.1µF 90 CSET = 0.1µF V V I IN = 36V 80 IN = VOUT(NOMINAL) + 2V 80 LOAD = 100mA 600 V 70 IN = 5V 70 500 60 60 400 50 50 300 40 40 SET PIN = 0V 30 OUTPUT VOLTAGE (mV) 30 200 VIN VOUT RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) 20 20 R ILOAD = 100mA VIN = VOUT + 5V 100 TEST 10 ILOAD = 500mA 10 VIN = VOUT + 2V ILOAD = 1.5A VIN = VOUT + 1.5V 0 0 0 0 500 1000 1500 2000 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M RTEST (Ω) FREQUENCY (Hz) FREQUENCY (Hz) 3081 G30 3081 G31 3081 G32
Output Impedance Ripple Rejection (120Hz)
10M 90 CURRENT SOURCE CONFIGURATION 88 1M 86 100k 84 10k 82 80 1k 78 VIN = VOUT(NOMINAL) + 2V 100 76 RIPPLE = 500mVP-P OUTPUT IMPEDANCE (Ω) RIPPLE REJECTION (dB) f = 120Hz I 74 I 10 SOURCE = 10mA LOAD = 0.1A ISOURCE = 100mA 72 COUT = 2.2µF ISOURCE = 1A CSET = 0.1µF 1 70 10 100 1k 10k 100k 1M 10M –50 –25 0 25 50 75 100 125 150 FREQUENCY (Hz) TEMPERATURE (°C) 3081 G33 3081 G34 3081fc 8 For more information www.linear.com/LT3081 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts