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1.5A Dropout Positive Voltage Regulator AME1086 1.5A low-dropout


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AME1086
1.5A Dropout Positive Voltage Regulator
AME1086 1.5A low-dropout positive voltage regulator. available fixed adjustable output voltage versions. Overcurrent thermal protection integrated onto chip. Output current will limit reaches pre-set current temperature limit. full rated output current dropout voltage 1.4V (max.). AME1086 series regulators provide excellent regulation over line, load temperature variations.
Features
dropout voltage 1.2V typically 1.5A Adjustable 3.3V fixed voltage Line regulation typically 0.015% Load regulation typically 0.05% Adjust (ADJ) current less than 90µA Overcurrent protection Thermal protection Available TO-220, TO-263, TO-252
Applications
High Efficiency Linear Regulators Post Regulators Switching Supplies 3.3V Voltage Converter Battery Charger
Functional Block Diagram
Input
Typical Application
AME1086
VOUT
Current Limiting Amplifier Thermal Protection Output
4.75V 5.25V
10µF
10µF Load
Error Amp.
Bandgap Reference
ADJ/GND
Figure
Figure
AME1086
1.5A Dropout Positive Voltage Regulator
Configuration
To-263 Front View To-263-2 Front View
1086
1086
ADJ/GND VOUT
ADJ/GND VOUT
To-252-2 Front View
TO-252-2 Front view
1086
AME1086
ADJ/
VOUT
ADJ/GND VOUT
To-220 Front View
AME1086
ADJ/GND
AME1086
1.5A Dropout Positive Voltage Regulator
Ordering Information
Part Number AME1086ACBT Marking AME1086 ACBT YYWW AME1086 DCBT YYWW AME1086 ACDT YYWW AME1086 DCDT YYWW AME1086 ACDS YYWW AME1086 DCDS YYWW AME1086 ACCS YYWW AME1086 DCCS YYWW Output Voltage Package TO-220
AME1086DCBT
TO-220
AME1086ACDT
TO-263-3
AME1086DCDT
TO-263-3
AME1086ACDS
TO-263-2
AME1086DCDS
TO-263-2
AME1086ACCS
TO-252-2
AME1086DCCS
TO-252-2
This differs from standard part numbering scheme historical precedent
Absolute Maximum Ratings
Parameter
Input Voltage Thermal Resistance (Junction Case) Thermal Resistance (Junction Ambient) Operating Junction Temperature Range Storage Temperature Range Lead Temperature TO-220 TO-263 TO-252 TO-220 TO-263 TO-252 TSTG TLEAD
Symbol Maximum
Units
AME1086
1.5A Dropout Positive Voltage Regulator
Electrical Characteristics
AME1086AXXX
Parameter Reference voltage (adjustable voltage) Line regulation Load regulation Dropout voltage VOUT, VREF Current limit Temperature Coefficient Temperature stability Minimum load current output noise Ripple rejection ratio
AME1086DXXX
Parameter Output voltage (fixed voltage) Line regulation Load regulation Dropout voltage VOUT, VREF Current limit Quiescent current (fixed model) Temperature Coefficient Temperature stability output noise Ripple rejection ratio
Symbol VREF RegLINE RegLOAD 10mA
Test Conditions =250C =250C Over temp. =250C Over temp. =250C Over temp.
Min. 1.238
Typ. 1.250 0.015 0.035 0.05 0.005 0.003
Max. 1.262 1.275
Units %/OC
Over temp. 1.225
2.75 10mA 10mA 1.5A 2.75 10mA 1.5A 2.75 Over temp.
2.75 10mA 1.5A 500mA, Over temp. 1.5A, Over temp.
Symbol RegLINE RegLOAD
Test Conditions =250C Over temp. =250C Over temp. =250C Over temp.
Min. 3.267
Typ. 3.300 0.015 0.035 0.05 0.005 0.003
Max. 3.333 3.366
Units %/0C
Over temp. 3.234
=4.5 1.5A 1.5A Over temp.
Io=0A 1.5A, Over temp. 1.5A 500mA, Over temp. 1.5A, Over temp.
AME1086
1.5A Dropout Positive Voltage Regulator
Current limit protection AME1086 protected against overload conditions. Current protection triggered typically 3.0A. Stability load regulation AME1086 requires capacitor from VOUT provide compensation feedback internal gain stage. This ensure stability output terminal. Typically, 10µF tantalum 50µF aluminum electrolytic sufficient. Note: important that this capacitor does exceed 0.5. output capacitor dose have theoretical upper limit increasing value will increase stability. COUT 100µF more typical high current regulator design.
Application Description
Output voltage adjustment Like most regulators, AME1086 regulates output comparing output voltage internally generated reference voltage. adjustable version, VREF available externally 1.25V between VOUT ADJ. voltage ratio formed should conduct 10mA (minimum output load). output voltage given following equation: IADJ VOUT VREF fixed versions AME1086, voltage divider provided internally.
50µA
adjustable version, best load regulation accomplished when resistor divider (R1) connected directly output AME1086. When connected, multiplied divider ratio. fixed output versions, internally connected output ground connected side load.
Parasitic Line Resistance
Figure
Thermal protection AME1086 thermal protection which limits junction temperature 150OC. However, device functionality only guaranteed maximum junction temperature +125OC. power dissipation junction temperature AME1086 TO-220 package given (VIN VOUT) IOUT TJUNCTION TAMBIENT Note: TJUNCTION must exceed 125OC
(Connect case)
Connect load
Figure
AME1086
1.5A Dropout Positive Voltage Regulator
Thermal consideration AME1086 series contain thermal limiting circuitry designed protect itself over-temperature conditions. Even normal load conditions, maximum junction temperature ratings must exceed. mention thermal protection section, need considerall sources thermal resistance between junction ambient. includes junction-to-case, case-to-heat-sink interface heat sink thermal resistance itself. Junction-to-case thermal resistance specified from junction bottom case directly below die. Proper mounting required ensure best possible thermal flow from this area package heat sink. case devices this series electrically connected output. Therefore, case device must electrically isolated, thermally conductive spacer recommended.
AME1086
1.5A Dropout Positive Voltage Regulator
Advanced Applications
AME1086
3.45V
10µF 10µF
10µF
IADJ Optional improved ripple rejection VREF Figure Adjustable output voltage
AME1086
AME1086
ballast resistance inter connection wire could ballast resistance Figure Paralleling Regulators
AME1086
1.5A Dropout Positive Voltage Regulator
Advanced Applications (Cont.)
10µF
AME1086
10µF
10µF
VREF (VZ: breakdown voltage Zener diode) Optional improved ripple rejection Figure Regulator with reference
AME1086
Figure Regulator with reverse diode protection
AME1086
1.5A Dropout Positive Voltage Regulator
External Rsistor Divider Table Customized Voltage
R1(ohm) Vout 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95 3.00 3.05 3.10 0.000 3.984 7.968 11.95 15.94 19.92 23.90 27.89 31.87 35.86 39.84 43.82 47.81 51.79 55.78 59.76 63.75 67.73 71.71 75.70 79.68 83.67 87.65 91.63 95.62 99.60 103.6 107.6 111.6 115.5 119.5 123.5 127.5 131.5 135.5 139.4 143.4 147.4 0.000 4.063 8.127 12.19 16.25 20.32 24.38 28.44 32.51 36.57 40.63 44.70 48.76 52.82 56.89 60.95 65.01 69.08 73.14 77.21 81.27 85.33 89.40 93.46 97.52 101.6 105.6 109.7 113.8 117.8 121.9 126.0 130.0 134.1 138.2 142.2 146.3 150.3 0.000 4.182 8.365 12.55 16.73 20.91 25.09 29.28 33.46 37.64 41.82 46.01 50.19 54.37 58.55 62.74 66.92 71.10 75.28 79.47 83.65 87.83 92.01 96.20 100.4 104.6 108.7 112.9 117.1 121.3 125.5 129.7 133.8 138.0 142.2 146.4 150.6 154.8 0.000 0.000 0.000 0.000 4.262 4.381 4.500 4.579 8.524 8.761 8.999 9.158 12.79 13.14 13.50 13.74 17.05 17.52 18.00 18.32 21.31 21.90 22.50 22.89 25.57 26.28 27.00 27.47 29.83 30.67 31.50 32.05 34.09 35.05 36.00 36.63 38.36 39.43 40.50 41.21 42.62 43.81 45.00 45.79 46.88 48.19 49.50 50.37 51.14 52.57 54.00 54.95 55.40 56.95 58.50 59.53 59.66 61.33 63.00 64.11 63.93 65.71 67.49 68.68 68.19 70.09 71.99 73.26 72.45 74.47 76.49 77.84 76.71 78.85 80.99 82.42 80.97 83.23 85.49 87.00 85.24 87.61 89.99 91.58 89.50 92.00 94.49 96.16 93.76 96.38 98.99 100.7 98.02 100.8 103.5 105.3 102.3 105.1 108.0 109.9 106.5 109.5 112.5 114.5 110.8 113.9 117.0 119.1 115.1 118.3 121.5 123.6 119.3 122.7 126.0 128.2 123.6 127.0 130.5 132.8 127.9 131.4 135.0 137.4 132.1 135.8 139.5 141.9 136.4 140.2 144.0 146.5 140.6 144.6 148.5 151.1 144.9 148.9 153.0 155.7 149.2 153.3 157.5 160.3 153.4 157.7 162.0 164.8 157.7 162.1 166.5 169.4 0.000 4.698 9.396 14.09 18.79 23.49 28.19 32.88 37.58 42.28 46.98 51.68 56.37 61.07 65.77 70.47 75.17 79.86 84.56 89.26 93.96 98.65 103.4 108.1 112.7 117.4 122.1 126.8 131.5 136.2 140.9 145.6 150.3 155.0 159.7 164.4 169.1 173.8 0.000 4.817 9.633 14.45 19.27 24.08 28.90 33.72 38.53 43.35 48.17 52.98 57.80 62.62 67.43 72.25 77.07 81.88 86.70 91.52 96.33 101.2 106.0 110.8 115.6 120.4 125.2 130.1 134.9 139.7 144.5 149.3 154.1 159.0 163.8 168.6 173.4 178.2 0.000 4.936 9.871 14.81 19.74 24.68 29.61 34.55 39.48 44.42 49.36 54.29 59.23 64.16 69.10 74.03 78.97 83.90 88.84 93.77 98.71 103.6 108.6 113.5 118.5 123.4 128.3 133.3 138.2 143.1 148.1 153.0 157.9 162.9 167.8 172.7 177.7 182.6
AME1086
1.5A Dropout Positive Voltage Regulator
External Rsistor Divider Table Customized Voltage (Cont.)
R1(ohm) Vout 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00 4.05 4.10 4.15 4.20 4.25 4.30 4.35 4.40 4.45 4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00 151.4 155.4 159.4 163.3 167.3 171.3 175.3 179.3 183.3 187.3 191.2 195.2 199.2 203.2 207.2 211.2 215.1 219.1 223.1 227.1 231.1 235.1 239.0 243.0 247.0 251.0 255.0 259.0 262.9 266.9 270.9 274.9 278.9 282.9 286.9 290.8 294.8 298.8 154.4 158.5 162.5 166.6 170.7 174.7 178.8 182.9 186.9 191.0 195.0 199.1 203.2 207.2 211.3 215.4 219.4 223.5 227.6 231.6 235.7 239.7 243.8 247.9 251.9 256.0 260.1 264.1 268.2 272.2 276.3 280.4 284.4 288.5 292.6 296.6 300.7 304.8 158.9 163.1 167.3 171.5 175.7 179.8 184.0 188.2 192.4 196.6 200.8 204.9 209.1 213.3 217.5 221.7 225.9 230.0 234.2 238.4 242.6 246.8 250.9 255.1 259.3 263.5 267.7 271.9 276.0 280.2 284.4 288.6 292.8 297.0 301.1 305.3 309.5 313.7 161.9 166.5 171.0 174.0 166.2 170.8 175.5 178.6 170.5 175.2 180.0 183.2 174.7 179.6 184.5 187.7 179.0 184.0 189.0 192.3 183.3 188.4 193.5 196.9 187.5 192.8 198.0 201.5 191.8 197.1 202.5 206.1 196.0 201.5 207.0 210.6 200.3 205.9 211.5 215.2 204.6 210.3 216.0 219.8 208.8 214.7 220.5 224.4 213.1 219.0 225.0 228.9 217.3 223.4 229.5 233.5 221.6 227.8 234.0 238.1 225.9 232.2 238.5 242.7 230.1 236.6 243.0 247.3 234.4 240.9 247.5 251.8 238.7 245.3 252.0 256.4 242.9 249.7 256.5 261.0 247.2 254.1 261.0 265.6 251.4 258.5 265.5 270.2 255.7 262.8 270.0 274.7 260.0 267.2 274.5 279.3 264.2 271.6 279.0 283.9 268.5 276.0 283.5 288.5 272.8 280.4 288.0 293.1 277.0 284.7 292.5 297.6 281.3 289.1 297.0 302.2 285.5 293.5 301.5 306.8 289.8 297.9 306.0 311.4 294.1 302.3 310.5 315.9 298.3 306.7 315.0 320.5 302.6 311.0 319.5 325.1 306.8 315.4 324.0 329.7 311.1 319.8 328.5 334.3 315.4 324.2 333.0 338.8 319.6 328.6 337.5 343.4 178.5 183.2 187.9 192.6 197.3 202.0 206.7 211.4 216.1 220.8 225.5 230.2 234.9 239.6 244.3 249.0 253.7 258.4 263.1 267.8 272.5 277.2 281.9 286.6 291.3 296.0 300.7 305.4 310.1 314.8 319.5 324.2 328.8 333.5 338.2 342.9 347.6 352.3 183.0 187.9 192.7 197.5 202.3 207.1 211.9 216.8 221.6 226.4 231.2 236.0 240.8 245.7 250.5 255.3 260.1 264.9 269.7 274.6 279.4 284.2 289.0 293.8 298.6 303.5 308.3 313.1 317.9 322.7 327.5 332.4 337.2 342.0 346.8 351.6 356.4 361.3 187.5 192.5 197.4 202.4 207.3 212.2 217.2 222.1 227.0 232.0 236.9 241.8 246.8 251.7 256.6 261.6 266.5 271.5 276.4 281.3 286.3 291.2 296.1 301.1 306.0 310.9 315.9 320.8 325.7 330.7 335.6 340.6 345.5 350.4 355.4 360.3 365.2 370.2
AME1086
1.5A Dropout Positive Voltage Regulator
Package Dimension
TO-252 (DPAK) -EIAJ
SYMBOLS Typical value
NOTES CONTROLLING DIMENSION MILLIMETERS. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS MINIMUM LEAD THICKNESS MINIMUM THICKNESS BASE MATERIAL.
MILLIMETERS 0.45 0.58 1.60 1.95 0.51 0.45 0.60 6.40 6.80 5.40 5.80 2.20 2.85 2.30 0.90 0.97 5.20 5.50 0.89 2.03
INCHES 0.0177 0.023 0.06 0.0768 0.02 0.0177 0.0236 0.252 0.2677 0.2126 0.2283 0.0866 0.1122 0.0906 0.0354 0.038 0.20 0.22 0.035 0.08
TO-252 (DPAK) JDEC
MILLIMETERS 0.45 0.58 1.60 1.95 0.51 0.45 0.60 6.40 6.80 5.40 5.80 2.20 2.85 2.30 0.90 0.97 5.20 5.50 0.89 2.03 INCHES 0.0177 0.023 0.06 0.0768 0.02 0.0177 0.0236 0.252 0.2677 0.2126 0.2283 0.0866 0.1122 0.0906 0.0354 0.038 0.20 0.22 0.035 0.08
SYMBOLS Typical value
NOTES
CONTROLLING DIMENSION MILLIMETERS. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS MINIMUM LEAD THICKNESS MINIMUM THICKNESS BASE MATERIAL.
AME1086
1.5A Dropout Positive Voltage Regulator
Package Dimension
TO-220
SYMBOLS MILLIMETERS 4.06 4.83 0.63 1.02 0.35 0.60 14.22 14.99 9.66 10.54 2.79 4.83 5.33 1.14 1.40 1.14 1.40 5.94 6.55 2.29 2.92 3.71 3.96 2.62 2.87 12.70 14.27 1.14 1.52 6.17 REF. INCHES 0.160 0.190 0.025 0.040 0.0138 0.0236 0.056 0.590 0.385 0.415 0.110 0.190 0.210 0.045 0.055 0.045 0.055 0.234 0.258 0.090 0.115 0.146 0.156 0.103 0.113 0.500 0.5618 0.0449 0.06 0.243 REF.
Notes Dimension apply plate finish. solder lead finish dimension should 0.015"-0.027" (0.38-0.69)
TO-263-3 (D2PAK)
SYMBOLS
MILLIMETERS 9.65 10.41 8.28 9.65 4.06 4.83 0.51 1.02 1.14 1.40 2.54 14.61 15.88 1.02 1.68 0.00 0.97 2.49 2.74 0.43 0.58 2.29 2.79 2.41 2.67 0.254 0.508
INCHES 0.380 0.410 0.326 0.380 0.160 0.190 0.020 0.040 0.045 0.055 0.100 0.575 0.625 0.040 0.066 0.000 0.038 0.098 0.108 0.017 0.023 0.090 0.110 0.095 0.105 0.010 0.020
Typical value
NOTES CONTROLLING DIMENSION MILLIMETERS. 2MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS MINIMUM LEAD THICKNESS MINIMUM THICKNESS BASE MATERIA.
AME1086
1.5A Dropout Positive Voltage Regulator
Package Dimension
TO-263-2 (D2PAK)
MILLIMETERS 9.65 10.41 8.28 9.65 4.06 4.83 0.51 1.02 1.14 1.40 2.54 14.61 15.88 1.02 1.68 0.00 0.97 2.49 2.74 0.43 0.58 2.29 2.79 2.41 2.67 0.254 0.508 INCHES 0.380 0.410 0.326 0.380 0.160 0.190 0.020 0.040 0.045 0.055 0.100 0.575 0.625 0.040 0.066 0.000 0.038 0.098 0.108 0.017 0.023 0.090 0.110 0.095 0.105 0.010 0.020
SYMBOLS
Typical value
NOTES CONTROLLING DIMENSION MILLIMETERS. 2MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS MINIMUM LEAD THICKNESS MINIMUM THICKNESS BASE MATERIA.
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E-Mail: info@ame.com.tw
Life Support Policy: These products AME, Inc. authorized critical components life-support devices systems, without express written approval president AME, Inc. AME, Inc. reserves right make changes circuitry specifications devices advises customers obtain latest version relevant information. AME, Inc. December 2001 Document: 1015-DS1086-C
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Corporate Headquarter
Kang-Chien Road, Nei-Hu Dist., Taipei 114, Taiwan, R.O.C. 2627-8687 2659-2989

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