1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR 3-Terminal

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1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR 3-Terminal

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AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
3-Terminal Adjustable Fixed 1.5V, 1.8V, 2.5V,3.3V, 5.0V 1.4V Maximum Dropout Full Load Current Fast Transient Response Built-in Thermal Shutdown Output Current Limiting Lead Free Packages: TO252-3L, TO263-3L, TO220-3L TO252-3L: Available "Green" Molding Compound Lead Free Finish/ RoHS Compliant (Note
General Description
AP1086 dropout positive adjustable fixed-mode regulator with 1.5A output current capability. product specifically designed provide well-regulated supply voltage applications such high-speed termination current 3.3V logic supply. AP1086 also well suited other applications such cards. AP1086 guaranteed have lower than 1.4V dropout full load current making ideal provide well-regulated outputs 1.25V 5.0V with input supply different output voltage.
Ordering Information
AP1086
Dropout Regulator
Package TO252-3L TO263-3L TO220-3L
Vout Blank 1.5V 1.8V 2.5V 3.3V 5.0V
Lead Free Green Lead Free (Note
Packing Tube Taping Reel
Device AP1086D AP1086K AP1086T
Notes:
Package Code
Packaging (Note TO252-3L TO263-3L TO220-3L
Lead-free
Tube/Bulk Part Number Quantity Suffix
Tape Reel Part Number Quantity Suffix 2500/Tape Reel 800/Tape Reel
Lead-free
TO263-3L TO220-3L available "Lead Free" products only. Directive 2002/95/EC (RoHS). applicable RoHS exemptions applied, Directive 2002/95/EC Annex Notes. layout shown Diodes Inc. suggested layout document AP02001, which found website
AP1086 Rev.
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APRIL 2008
Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Assignments
TO263-3L TO252-3L
View
VOUT
TO220-3L
View
VOUT (GND)
VOUT (GND)
VOUT
View)
VOUT VOUT (GND)
Descriptions
Name (GND) VOUT Function Adjustable (Ground only fixed mode) output regulator. minimum 10uF capacitor must connected from this ground insure stability. input regulator. Typically large storage capacitor connected from this ground insure that input voltage does below minimum dropout voltage during load transient response. This must always 1.4V higher than Vout order device regulate properly.
AP1086 Rev.
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APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Block Diagram
Vout
CURRENT LIMIT Thermal Shutdown 1.25V
Absolute Maximum Ratings
Symbol Parameter Supply Voltage Power Dissipation Storage Temperature Operating Junction Temperature Range Rating Unit -0.3 Internally Limited +150 +150
AP1086 Rev.
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APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Electrical Characteristics
Parameter
Under Operating Conditions
Conditions
Typ.
Unit
Reference Voltage
Output Voltage
Line Regulation
AP1086-Adj AP1086-1.5 AP1086-1.8 AP1086-2.5 AP1086-3.3 AP1086-5.0 AP1086-XXX AP1086-Adj AP1086-1.5 AP1086-1.8
Load Regulation AP1086-2.5 AP1086-3.3 AP1086-5.0 Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current (Note Thermal Regulation AP1086-Adj/-2.5 /-3.3/-3.6/-5.0 AP1086-Adj/-2.5 /-3.3/-3.6/-5.0 AP1086-XXX
(VIN-VOUT)= 1.5V,IO 10mA IOUT 10mA, 25C, 3VVIN12V IOUT 10mA, 25C, 3.3VVIN12V IOUT 10mA, 25C, 4VVIN12V IOUT 10mA, 25C, 4.8VVIN12V IOUT 10mA, 25C, 6.5VVIN12V 10mA, VOUT+1.5V<VIN<12V 3.3V, 0mA<Io<1.5A, (Note 0mA<Io<1.5A, (Note 3.3V, 0mA<Io<1.5A, (Note 0mA<Io<1.5A, (Note 0IOUT1.5A, 25C, 25oC (Note 0IOUT1.5A, 25C, 25oC (Note IOUT 1.5A, VOUT 1%VOUT (VIN-VOUT) 0oCTJ125oC
1.225 1.470 1.764 2.450 3.235 4.900
1.250 1.500 1.800 2.500 3.300 5.000 0.008 0.003 0.65/2.7 0.65/2.7
1.275 1.530 1.836 2.550 3.365 5.100 0.04
25C, 30ms pulse 120Hz,COUT 25uF Tantalum, IOUT 1.5A Ripple Rejection AP1086-XXX VOUT+3V Noise VOUT) 10Hz 10KHz Temperature Stability 10mA Thermal Resistance TO252-3L TO263-3L Junction-to-Ambient TO220-3L heat sink; flow) TO252-3L: Control Circuitry/Power Transistor Thermal Resistance TO263-3L: Control Circuitry/Power Transistor Junction-to-Case TO220-3L: Control Circuitry/Power Transistor
Notes:
thermal regulation specifications changes output voltage heating effects. Line load regulation measured constant junction temperature duty cycle pulse testing. Load regulation measured output lead 1/18" from package. Line load regulation guaranteed maximum power dissipation 15W. Power dissipation determined difference input output output current. Guaranteed maximum power dissipation will available over full input/output range. Quiescent current defined minimum output current required maintaining regulation. input/output differential device guaranteed regulate output current greater than 10mA.
AP1086 Rev.
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APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Typical Application
3.3V Fixed Mode Regulator
100uF Vout Vout 3.3V/1.5A 100uF
Adjustable Regulator
100uF
Vout Vout
VOUT=Vref (1+R2/R1) 2.5V/1.5A 100uF
Note: VREF
Functional Description
Introduction AP1086 adjustable fixed-mode Dropout (LDO) regulator terminal device which easily programmed internal mask change voltages within range 1.25V Vin-1.4V. AP1086 only needs 1.4V differential between Vout maintain output regulation. addition, output voltage tolerances also extremely tight they include transient response part specification. example, Intel specification calls total 100mV including initial tolerance, load regulation 1.5A load step. AP1086 specifically designed meet fast current transient needs well providing accurate initial voltage, reducing overall system cost with need fewer output capacitors. Load Regulation Since AP1086 only terminal device, possible provide true remote sensing output voltage load. supply good load regulation internal feedback bypass external loss such adjustable mode. Stability AP1086 requires output capacitor part frequency compensation order make regulator stable. most applications minimum 10uF aluminum electrolytic capacitor insures both stability good transient response. Thermal Design AP1086 incorporates internal thermal shutdown that protects device when junction temperature exceeds maximum allowable junction temperature. Although this device operate with junction temperatures range recommended that selected heat sink chosen such that during maximum continuous load operation junction temperature kept below temperature. Layout Consideration output capacitors must located close Vout terminal device possible. recommended section layer board plane connect Vout output capacitors prevent high frequency oscillation that result excessive trace inductance.
AP1086 Rev.
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APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Typical Performance Characteristics
0.20
Output Voltage Deviation
load=1.5A
Dropout Voltage
0.25 0.75 1.25
-0.20
-0.40
-0.80
Dropout Voltage Output Current
Output Current
Temperature
Load Regulation Temperature
Output Voltage Change
-0.5 -1.5
Output Voltage Deviation
Percent Change Output Voltage Temperature
Output Voltage Deviation (mV) Input Voltage Load Current Output Voltage Deviation (mV) Cin=1uF Cout=10uF Tantalum
Temperature
Line Regulation
Cin=1uF Cout=10uF Tantalum Preload=100mA
Input Voltage
TIME (us)
TIME (us)
Line Transient Response
Load Transient Response
AP1086 Rev.
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APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Marking Information
TO252-3L
view
Logo
Part Number 1186 86-VV 1.5V 1.8V 2.5V 3.3V 5.0V
86-VV
Lead Free Green Internal Code Week 01~52 Year "07" 2007 "08" 2008
TO220-3L TO263-3L
view
Logo Part Number 1.5V 1.8V 2.5V 3.3V 5.0V Blank
1086-VV
Lead Free Internal code week 01~52 Year "07" 2007 "08" 2008
AP1086 Rev.
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APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Package Information
TO263-3L
2.92 1.30 10.9
9.65/10.29 9.97
14.61/15.88 15.24
8.65/9.65 9.15
1.27/ 1.78 1.52
2.54 BSC.
2.54
0.51/0.99 0.75 1.14/1.40 Typ1.27
Land Pattern Recom endation (Unit:
0.38 4.06/4.83 4.45
TO252-3L
0.88/1.27 6.354/6.80 6.58 5.20/5.50 5.35
5.40/6.20 5.57
11.0
2.25
9.00/10.40 9.70 2.18/2.40 2.29 NOTE2 SEATING PLANE 0.45/0.58 0.52
0.61
2.28 BSC. 4.57 BSC.
0.64/1.02 0.83
Land Pattern Recommendation (Unit:
0.89/ 1.14
0.45/0.58 0.52
0.51
AP1086 Rev.
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1.14/1.40 1.27
2.28/2.80 2.54
15.7
APRIL 2008 Diodes Incorporated
AP1086
1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR
Package Information
TO220-3L
(Continued)
2.54/3.43 2.98
9.70/10.70 10.20
3.81 5.84/6.86 6.35
3.55/4.85 4.20
0.51/1.40 0.95 SEATING PLANE
14.20/16.50 15.35
3.66/6.35 5.00 12.72/14.72 13.72 0.31/1.14 0.51/1.14 0.83 2.99/2.79 2.54
1.14/1.78 1.46
4.83/5.33 5.08
2.03/2.92 Typ2.48
IMPORTANT NOTICE Diodes Incorporated subsidiaries reserve right make modifications, enhancements, improvements, corrections other changes without further notice product herein. Diodes Incorporated does assume liability arising application product described herein; neither does convey license under patent rights, rights others. user products such applications shall assume risks such will agree hold Diodes Incorporated companies whose products represented website, harmless against damages. LIFE SUPPORT Diodes Incorporated products authorized critical components life support devices systems without expressed written approval President Diodes Incorporated.
AP1086 Rev.
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APRIL 2008 Diodes Incorporated

1.5A DROPOUT POSITIVE ADJUSTABLE FIXED-MODE REGULATOR 3-Terminal

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