Datasheet LT1083, LT1084, LT1085 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 3A, 5A, 7.5A Low Dropout Positive Fixed Regulators |
| Pages / Page | 18 / 8 — Typical perForMance characTerisTics. LT1083/4/5-5 Ripple Rejection. vs … |
| File Format / Size | PDF / 252 Kb |
| Document Language | English |
Typical perForMance characTerisTics. LT1083/4/5-5 Ripple Rejection. vs Current. Temperature Stability
Model Line for this Datasheet
- LT1085CM-3.3#PBF LT1085CM-3.3#PBF LT1085CM-3.3#TRPBF LT1085CM-3.3#TRPBF LT1085CM-3.6#PBF LT1085CM-3.6#PBF LT1085CM-3.6#TRPBF LT1085CM-3.6#TRPBF LT1085CT-12#PBF LT1085CT-12#PBF LT1085CT-3.3#PBF LT1085CT-3.3#PBF LT1085CT-3.6#PBF LT1085CT-3.6#PBF LT1085CT-5#PBF LT1085CT-5#PBF LT1085IM-3.6#PBF LT1085IM-3.6#PBF LT1085IM-3.6#TRPBF LT1085IM-3.6#TRPBF LT1085IT-12#PBF LT1085IT-12#PBF LT1085IT-5#PBF LT1085IT-5#PBF
Text Version of Document
LT1083/LT1084/LT1085 Fixed
Typical perForMance characTerisTics LT1083/4/5-5 Ripple Rejection LT1083/4/5-5 Ripple Rejection vs Current Temperature Stability
80 100 2.0 VRIPPLE ≤ 3VP-P VRIPPLE ≤ 0.5V 90 70 P-P 80 fR = 120Hz 60 (VIN – VOUT) ≥ 3V V 1.0 70 RIPPLE ≤ 3VP-P 50 60 fR = 20kHz (VIN – VOUT) ≥ VDROPOUT VRIPPLE ≤ 0.5VP-P 40 50 0 40 30 30 RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) –1.0 20 OUTPUT VOLTAGE CHANGE (%) 10 10 IOUT = IFULL_LOAD 0 0 –2.0 10 100 1k 10k 100k 0 0.2 0.4 0.6 0.8 1.0 –50 –25 0 25 50 75 100 125 150 FREQUENCY (Hz) OUTPUT CURRENT (0 TO IFULLLOAD) TEMPERATURE (°C) 1083/4/5 FIXED G10 1083/4/5 FIXED G11 LT1183/4/5 FIXED G12
LT1083/4/5-12 Ripple Rejection LT1083 Maximum Power LT1083/4/5-12 Ripple Rejection vs Current Dissipation*
80 100 100 VRIPPLE ≤ 3VP-P VRIPPLE 90 70 ≤ 0.5VP-P 90 80 80 60 f 70 R = 120Hz V 70 RIPPLE ≤ 3VP-P 50 (VIN – VOUT) ≥ 3V LT1083MK 60 60 40 50 fR = 20kHz 50 V (V RIPPLE ≤ 0.5VP-P IN – VOUT) ≥ VDROPOUT 30 40 POWER (W) 40 30 30 LT1083CP RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) 20 20 10 10 10 LT1083CK IOUT = IFULL_LOAD 0 0 0 10 100 1k 10k 100k 0 0.2 0.4 0.6 0.8 1.0 50 60 70 80 90 100 110 120 130 140 150 FREQUENCY (Hz) OUTPUT CURRENT (0 TO IFULLLOAD) CASE TEMPERATURE (°C) 1083/4/5 FIXED G13 1083/4/5 FIXED G14 * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE LT1083/4/5 FIXED G15
LT1084 Maximum Power LT1085 Maximum Power Dissipation* Dissipation*
60 50 50 40 LT1084MK 40 LT1085MK 30 30 POWER (W) LT1084CT POWER (W) 20 20 LT1084CP LT1085CT 10 10 LT1084CK LT1085CK 0 0 50 60 70 80 90 100 110 120 130 140 150 50 60 70 80 90 100 110 120 130 140 150 CASE TEMPERATURE (°C) CASE TEMPERATURE (°C) * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE LT1083/4/5 FIXED G16 LT1083/4/5 FIXED G17 1083ffe 8 For more information www.linear.com/LT1083 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics LT1083/4/5-5 Ripple Rejection LT1083/4/5-5 Ripple Rejection vs Current Temperature Stability
80 100 2.0 VRIPPLE ≤ 3VP-P VRIPPLE ≤ 0.5V 90 70 P-P 80 fR = 120Hz 60 (VIN – VOUT) ≥ 3V V 1.0 70 RIPPLE ≤ 3VP-P 50 60 fR = 20kHz (VIN – VOUT) ≥ VDROPOUT VRIPPLE ≤ 0.5VP-P 40 50 0 40 30 30 RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) –1.0 20 OUTPUT VOLTAGE CHANGE (%) 10 10 IOUT = IFULL_LOAD 0 0 –2.0 10 100 1k 10k 100k 0 0.2 0.4 0.6 0.8 1.0 –50 –25 0 25 50 75 100 125 150 FREQUENCY (Hz) OUTPUT CURRENT (0 TO IFULLLOAD) TEMPERATURE (°C) 1083/4/5 FIXED G10 1083/4/5 FIXED G11 LT1183/4/5 FIXED G12
LT1083/4/5-12 Ripple Rejection LT1083 Maximum Power LT1083/4/5-12 Ripple Rejection vs Current Dissipation*
80 100 100 VRIPPLE ≤ 3VP-P VRIPPLE 90 70 ≤ 0.5VP-P 90 80 80 60 f 70 R = 120Hz V 70 RIPPLE ≤ 3VP-P 50 (VIN – VOUT) ≥ 3V LT1083MK 60 60 40 50 fR = 20kHz 50 V (V RIPPLE ≤ 0.5VP-P IN – VOUT) ≥ VDROPOUT 30 40 POWER (W) 40 30 30 LT1083CP RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) 20 20 10 10 10 LT1083CK IOUT = IFULL_LOAD 0 0 0 10 100 1k 10k 100k 0 0.2 0.4 0.6 0.8 1.0 50 60 70 80 90 100 110 120 130 140 150 FREQUENCY (Hz) OUTPUT CURRENT (0 TO IFULLLOAD) CASE TEMPERATURE (°C) 1083/4/5 FIXED G13 1083/4/5 FIXED G14 * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE LT1083/4/5 FIXED G15
LT1084 Maximum Power LT1085 Maximum Power Dissipation* Dissipation*
60 50 50 40 LT1084MK 40 LT1085MK 30 30 POWER (W) LT1084CT POWER (W) 20 20 LT1084CP LT1085CT 10 10 LT1084CK LT1085CK 0 0 50 60 70 80 90 100 110 120 130 140 150 50 60 70 80 90 100 110 120 130 140 150 CASE TEMPERATURE (°C) CASE TEMPERATURE (°C) * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE LT1083/4/5 FIXED G16 LT1083/4/5 FIXED G17 1083ffe 8 For more information www.linear.com/LT1083 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
