LT1083-5

1083/4/பைடு நூலகம் ADJ TA01
INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
U
U
1083/4/5 ADJ TA02
1
WW .100Y.C M.TW WW .100Y.C M.TW WW 00Y.CO .TW WW 00Y.CO .TW W W W T .1 W.1 W M. OM W O W C . W C W . Y W .T W .100 .TW 00Y M.T .100 OM W O W C . W W.1 W C W Y W WW .100Y. .TW M.T .100 .T 00 M O 1 W M . O W C . W .CO .TW WW .100Y .TW WW .100Y.C M.TW M 00Y O 1 W M . O W LT1083/LT1084/LT1085 .CO .TW WW .100Y.C M.TW WW 00Y WW .100Y.C M.TW O 1 W M . O W WW .100Y.C M.TW WW 00Y.CO .TW WW .100Y.C M.TW O W O W RATINGS MAXIMUM OM W.1 ABSOLUTE WW .100Y.C M.TW WW .100Y.C M.TW WW .100Y.C M.TW .CO .TW – 55°C to 150°C O WW W Power Dissipation............................... LimitedW “M” Grades: Control Section............. .CO Y WW Internally C . 0 Y W W W 0 0 Y W T . 1 W . Transistor .T 00 M .10 OM .......... – 55°C to 200°C Input-to-Output Power OM Voltage Differential WW W.1 Y.C WW 00Y.CO .TW C . 0 W W .TW – 65°C to 150°C W 0 Y W 1 Range ................. 0 Grades........................................................... W M “C” 30V Storage Temperature . .T 1 0 M . O 1 W M . O W .C sec).................. W “I” Grades .CO ............................................................ WW (Soldering, .TW Lead Temperature 300°C W 00Y 10 M WW .100Y.C 30V TW . 1 WW .1 T . . 00Y M O W M O W C . O W W C “M” Grades .......................................................... 35V W . Y W C W Y W .T W Y. W WW Operating .100 M.T .100 OM W M.T .100 Junction Temperature Range O W C . O W W C W . Y .C W 0Y WW 0° TW .PRECONDITIONING WW “C” M.T .100 .TW 1 00Y Control Grades: Section.................. C0to 125°C M . O 1 W M . O W C . O W Y test. .TW Y.C WW .functional 100% WW 0°C ............... 150 °C M .TW thermal shutdown 100 00 WW .100Y.CPower TW M .Transistor 1to . W M O W .CO .TW O Section............. – W W C . Y W “I” Grades: Control 40 ° C to 125 ° C C W . 0 Y W W W 0 0 Y W .T W .T .10 W.1 W M .100 Power OM Transistor .......... – 40 °W C to 150°C O W W C . W C W . Y W .T W .T WW .100Y .100 .TW 100 M . OM W M O W C . O W W C . Y W W .TW W .TW 100 00Y WW .100Y.C M.TW M . 1 M . O W O W O W WW .100Y.C M.TW WW .100Y.C M.TW PACKAGE/ORDER INFORMATION WW .100Y.C M.TW O W O W WW 00Y.CO TAB.T W WW .100Y.C M.TW Y.C VIEW .TW W IS WW .100FRONT 1 ORDER ORDER PART M . FRONT VIEW O PART OM WW 00Y.C W WW 00Y.COOUTPUT W W WW 00Y.C NUMBER W NUMBER W T . 3 V 1 W T M.T . IN . 1 M . O 1 TAB W V 3 M . O IN W C . O IS WWV .100Y WW 00Y 2.C VOUT .TW WW .100Y.C M.TW 2 M .TW LT1084CT OUTPUT W LT1083CP OUT O 1 W M . O W O W 1 ADJ Y.C WW .TW LT1084IT WW .100Y.C M.TW1 ADJ 100LT1084CP WW .100Y.C M.TW M . O W O W W T PACKAGE LT1085CT W .CO .TW WW .100Y.C M.TW Y WW .100Y.C M.T P PACKAGE 0 WW 0 3-LEAD PLASTIC TO-220 O LT1085IT W W M O3-LEAD PLASTIC TO-3P W.1 W CO W Y.C WW .100Y.C M.TW W 0 W θJA = 50°C/W 0Y. T . 0 WW T θ = 35 ° C/W . 0 MJA .1 WW 00Y.CO .TW W.1 W WW 00Y.CO .TW W W W FRONT VIEW W M .1 .T 1 00 BOTTOM VIEW .CO .TW WWLT1084CM W.1 W LT1083CK WW. W Y 0 W W 0 W 3 VIN W VIN M .1 00 CASE IS M.T LT1083MK W.10 TAB OM.T W LT1085CM .CO .TW O W W.1 OUTPUT C . Y W C W . 0 Y IS W W V 2 W OUT 0 Y W .T W 2 .100 OUTPUT W.1 W M.T LT1084CK WW .100 OM1 O W W C . ADJ C LT1084MK W Y W .T W W WW .100Y. .100 M.T .100 OM W M.T LT1085CK O W C . 1 O W W C W Y W W W WW .100Y. M PACKAGE .T WW .100Y.C M.TLT1085MK M.T .100 M O 3-LEADO PLASTIC DD W W C . O W .C ADJ W WW .100Y .T WW .100Y θJA = 30°C/W* .T WW .100Y.C M.TW M OM W O W C K PACKAGE . O W W C . 2 Y WPACKAGE 0 .C *WITH SOLDERED TO 0.5IN COPPER W 0Y PLANE W 2-LEAD TO-3 METAL CAN .TW AREA WW M. .100 .TW 1GROUND 00Y M . OVER BACKSIDE OR INTERNAL POWER O 1 W M . O W C . O W W .C 20°C/W TO PLANE. CAN VARYY FROM >W 40°C/W Y .C W θJA = 35°C/W W WWθJA ON .T W M .100 DEPENDING MOUNTING .TW 100 TECHNIQUE. 00Y M . 1 W M . O W .CO O W W C . Y W C W . 0 Y W W W W .T 00 W M .10 .T 00Y W.1 W WW 00Y.CO W.1 W W W W W .T W .100 W.1 M.T .100 OM W O W W C . W C W Y W ELECTRICAL CHARACTERISTICS W W WW .100Y. M.T .100 M.T O W O W C W MAX .C W PARAMETER UNITS WW .100Y. MIN .TTYP WCONDITIONS .TW 00Y M 1 M . O W O Reference Voltage IOUT =W 10mA, TJ = 25 °C, W WW .100Y.C1.238 1.250 1.262 0Y.C M.TW W )1 =0 3V V (VIN – VOUT. W O W C 10mA ≤W IOUT ≤ IFULL . W LOAD W W W T5, 00Y 1 M.3, 1.5V ≤ (VIN –.V 6) q 1.225 1.250 1.270 V OUT) ≤ 25V (Notes O W C . –V )≤ W W TJ = 25°C (Notes 1, 2) Y 0 W= T Line Regulation ILOAD 10mA, 1.5V ≤ (V 15V, 0.015 0.2 % . 0 IN OUT M .1 q 0.035 0.2 % WW 00Y.CO W .1 M Grade: 15V W ≤ (V q 0.05 0.5 % IN – VOUT) ≤ 35V (Notes 1, 2) WW C, I Grades: 15V ≤ (VIN – VOUT) ≤ 30V (Notes 1, 2) q 0.05 0.5 %
WW .100Y.C M.TW WW .100Y.C M.TW WW 00Y.CO .TW WW 00Y.CO .TW W W W T .1 W.1 W M. OM W O W C . W C W . Y W .T W .100 .TW 00Y M.T .100 OM W O W C . W W.1 W C W Y W WW .100Y. .TW M.T .100 .T 00 M O 1 W M . O W C . W .CO .TW WW .100Y .TW WW .100Y.C M.TW M 00Y O 1 W M . O W 0Y.C M.TW WW .10LT1083/LT1084/LT1085 WW 00Y.CO .TW WW .100Y.C M.TW O 1 W M . O W WW .100Y.C M.TW WW 00Y.CO .TW WW .100Y.C M.TW 7.5A, 5A, Y 3A Dropout O W .CO Low WW W.1 W C W . W W 0 Y W T W . W .T 00 W M Regulators .10 .T 00 Adjustable W.1 Positive WW 00Y.CO .T W.1 W W W W W W W .T W M .1 .T 100 00 M . O 1 W M . O W C O W WW .100Y. .TW WW .100Y.C M.TW WW .100Y.C M.TW M O W O W O W WW .100Y.C M.TW W Y.C WW .100Y.C M.TW 0 WW FEATURES T . 0 1 DESCRIPTION OM WW 00Y.CO .TW W. WW 00Y.CO .TW C . W W W Y W W s .100 .1 .T OM W W.1 The LT1083 series of positive adjustable regulators are Three-Terminal .C OMAdjustable W W Y W C W . 0 W W .TW W5A or 7.5AW 0 and 3A with 0 Y T . 1 0 0 W s Output T M . . 1 0 M . designed to provide 7.5A, 5A higher efficiency Current of 3A, O 1 W OM WW 00Y.C W. W .CO .TW W C . Y W T W . W s 0 Y W than currently available devices. All internal circuitry is 1V 0 W Operates M .1 .T Dropout 00 Down to W OM W.1 Levels .CO .TW differenOM Voltage at Multiple W W.1 Y.Dropout C . Y sW W C W designed to operate down to 1V input-to-output Guaranteed Current 0 Y W W 0 W .T 00 W OM as a function W.1 M.T .100 s Line W.1 C . O tial and the dropout voltage is fully specified Regulation: 0.015% W W Y W C W . 0 W W .TW W .T current. Dropout W M .10 .TW 100 00Y 0.01% s Load Regulation: M . O 1 of load is guaranteed at a maximum of W M . O W C O W W W .C 0Y. Y.C 1.5V at WW WWThermal .T W 0 0 Y W T sW . 1 0 0 T maximum output current, decreasing at lower load 100% Limit Functional Test M . . 1 0 M . O 1 W M . O W W W Y.C s Fixed .CO .TW WW adjusts Available currents. On-chip trimming reference 00the Y WW .100Y.C TW . 1 0 WW Versions M.T voltage . 0 M O 1 W M . O W C W W C 1%. Current limit is also minimizing the W .CO .TW 0Y. Wtrimmed, .Tstress 0 WW .100Y.to .TW 1 WW .100Y U M . M O W M on both the regulator and power source circuitry under W O W W W .CO .TW Y.C APPLICATIONS 0 W T . 0 WW .100Y 1 WW .100Y.C M.TW M . overload conditions. M O W O W C . W .CO .TW Y.C WW .100Y s High Efficiency .TW WW .100 Linear .TW WW .1 M 00Y Regulators M The LT1083/LT1084/LT1085 devices are pin compatible O W M O W .C O Supplies s Post Regulators W Switching 0Y WW .1 WW for .T W 0Y.C Y.C WW .10 TW . with olderM three-terminal regulators. A010 µF output ca0 W T M . 0 O 1 W s Constant Current W pacitor .C this.T OM W. Regulators W .CO .TW on these new devices. However, WW 00Y WW .1 1 00Y is required WW .100Y.C M.TW M is . s Battery Chargers M O W O W O included in most regulator designs. W WW .100Y.C M.TW WW .100Y.C M.TW WW .100Y.C OUTPUT .TW O W of the DEVICE CURRENT* M O W10% W Unlike PNP regulators, where up to output .TW .CO Y.C WW C W . 0 Y W W W 0 0 Y W T . 1 M .T LT1083W 7.5A 00 M quiescent current, .10 is wasted W.LT1083 current the CO .quiesW W.1 5.0A .CO as Y WW LT1084 W 0 Y W W .TW W 0 0 W .T the load, increasing 1 0 W M . .T 1 cent current flows into efficiency. 00 M . O 1 W M LT1085 3.0A . O W .CO .TW WW .100Y.C M.TW WW see YLT1086 WW .100Y.C M.TW 0 Wregulator *For a 1.5A low dropout the data sheet. 0 O W O W OM W.1 WW .100Y.C M.TW WW .100Y.C M.TW WW .100Y.C M.TW O W O W O W WW .100Y.C M.TW WW .100Y.C M.TW WW .100Y.C M.TW O WW 00Y.CO .T W WW 00Y.CO .TW C . W W W Y W TYPICAL APPLICATION W M .1 .T 00 W.1 W WW 00Y.CO . W.1 W W W W W .T 1 00 W OM M.T .100 OM vs Output Current WW. W.1 Dropout 5V, 7.5A Regulator C . Voltage O W C . Y W C W . Y W W 00 W WW .100Y M.T .100 W.1 M.T O W O W W C . 2 W W Y W W WW .100Y.C M.TW M .100 M.T .100 W O W .CO O W W C . Y W C W . 0 Y W W 0 Y W .T W TW .100 LT1083 OUT 5V AT . 7.5A VIN ≥ 6.5V IN W.1 M .100 OM W O W W C . W C W Y W W Y. W ADJ WW 1210 M.T .100 M.T .1 Ω0+ O + 1% W O W C . 10µF 10µF* WW .TW 00Y WW .100Y.C .TW M 1 W.1 TANTALUM M O W Ω Y.CO WW .100Y.C 0 WW 365 .TW 1% .10 M W O W *REQUIRED FOR STABILITY WW WW .100Y.C M.TW O W WW .100Y.C M.TW O W 0 WW .100Y.C 0 IFULL LOAD W OUTPUT CURRENT W W