1.5A Dropout Positive Regulator Dropout Voltage 1.3V 1.5A Output

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1.5A Dropout Positive Regulator Dropout Voltage 1.3V 1.5A Output

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AIC1086
1.5A Dropout Positive Regulator
Dropout Voltage 1.3V 1.5A Output Current. Fast Transient Response. Line Regulation, typical 0.015%. Load Regulation, typical 0.1%. Current Limiting Thermal Protection. Adjustable Output Voltage Fixed 1.8V, 2.5V, 2.85V, 3.3V, Standard 3-Pin Power Packages.
DESCRIPTION
AIC1086 dropout three-terminal regulator designed provide output current 1.5A. device available adjustable version fixed output voltage 1.8V, 2.5V, 2.85V, 3.3V Dropout voltage maximum 1.5V guaranteed 1.5A output current. quality dropout voltage fast transient response make this device ideal voltage microprocessor applications. AIC1086 requires output capacitance minimum 10µF stability. Built-in output current limiting thermal limiting provide maximal protection AIC1086 against fault conditions.
APPLICATIONS
Post Regulator Switching Supply. Battery Chargers. Add-On Card.
TYPICAL APPLICATION CIRCUIT
AIC1086 10µF VREF VOUT 3.3V
10µF (Note1)
VREF=VOUT VADJ=1.25V (typ.) VOUT=VREF (1+RF2/RF1)+ IADJ IADJ=55µA (typ.) needed device away from filter capacitors. required stability.
Adjustable Voltage Regulator
AIC1086-33
VOUT 3.3V
10µF
10µF
(Note1)
Fixed Voltage Regulator
Analog Integrations Corporation
Si-Soft Research Center 3A1, No.1, Li-Hsin Science Park Hsinchu 300, Taiwan R.O.C. TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw
DS-1086P-06
042806
AIC1086
ORDERING INFORMATION
AIC1086-XX PACKING TYPE TAPE REEL TUBE (for SOT-223) PACKAGING TYPE TO-252 TO-263 TO-220 SOT-223 COMMERCIAL LEAD FREE COMMERCIAL OUTPUT VOLTAGE DEFAULT: ADJUSTABLE 1.8V 2.5V 2.85V 3.3V 5.0V CONFIGURATION TO-252 (CE&PE) VIEW VOUT (TAB) TO-263 (CM&PM) VIEW VOUT (TAB)
TO-220 (CT&PT)
FRONT VIEW VOUT (TAB)
Example: AIC1086-28CETR 2.85V version TO-252 Package Taping Reel Packing Type AIC1086-28PMTR 2.85V version TO-263 Lead Free Package Taping Reel Packing Type
SOT-223 (CY&PY)
VIEW VOUT (TAB)
SOT-223 Marking
Part AIC1086 AIC1086-18XY AIC1086-25XY AIC1086-28XY AIC1086-33XY AIC1086-50XY 1086 AX18 AX25 AX28 AX33 AX50 1086P AX18P AX25P AX28P AX33P AX50P
AIC1086
ABSOLUTE MAXIMUM RATINGS
ADJ/ Operating Junction Temperature Range .0°C 125°C Storage Temperature Range Maximum Junction Temperature Lead Temperature (Soldering, sec) Thermal Resistance (Junction Case) TO-220 SOT-223 Thermal Resistance Junction Ambient TO-252 .-65°C 150°C 125°C 260°C .3°C .15°C .100°C/W .60°C .50°C TO-252 .12.5°C TO-263 .3°C (Assume ambient airflow, heatsink) TO-263 TO-220
SOT-223 .155°C
Absolute Maximum Ratings those values beyond which life device impaired.
TEST CIRCUIT
Refer TYPICAL APPLICATION CIRCUIT.
AIC1086
ELECTRICAL CHARACTERISTICS
(VIN=5V, TJ=25°C, IO=10mA, unless otherwise specified) (Note2) PARAMETER
Reference Voltage
TEST CONDITIONS
AIC1086 (ADJ), TJ=25°C 0°CTJ125°C AIC1086-18, VIN=3.3V AIC1086-25, VIN=5V
MIN.
1.238 1.225 1.78 2.47 2.82 3.26 4.95
TYP.
1.25 1.25 1.80 2.50 2.85 3.30 5.00 0.015 0.035
MAX.
1.262 1.275 1.82 2.53 2.88 3.33 5.05
UNIT
Output Voltage
AIC1086-28, VIN=5V AIC1086-33, VIN=5V AIC1086-50, VIN=7V 2.75VIN7V, VOUT=1.25V
Line Regulation
TJ=25°C 0°CTJ125°C
Load Regulation
TJ=25°C, IO=10mA ~1.5A 0°CTJ125°C VOUT, VREF=1%, IO=1.5A 0°CTJ125°C 0°CTJ125°C 2.75VIN7V, 10mAIO 1.5A 0°CTJ125°C 2.75VIN7V, 10mAIO1.5A 0°CTJ125°C IO=0.5A, 0°CTJ125°C 2.65VIN7V 0°CTJ125°C 10Hzf10KHz 120Hz input ripple,COUT=25µF
Dropout Voltage Current Limit Adjusted Current (IADJ) Adjusted Current Change (IADJ) Temperature Stability Current Minimum Load Current Output Noise VOUT) Ripple Rejection Ratio
0.003
Note avoid output oscillation, aluminum electrolytic output capacitor recommended ceramic capacitor suggested. Note Specifications production tested TA=25°C. Specifications over -40°C 85°C operating temperature range assured design, characterization correlation with Statistical Quality Controls (SQC). Note Regulation measured constant junction temperature, using pulse testing with time. Note Current limit measured pulsing short time. Note Dropout voltage defined input output differential which output voltage drops 100mV below value measured with differential.
AIC1086
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Input/ Output Differential
1000 1200 1400 1600
Minimum Operating Current
TA=125°C
TA=0°C TA=50°C TA=125°C
TA=25°C TA=0°C
Input/ Output Differential Fig. AIC1086 Min. Load Current (Adjustable Version)
Output Current (mA) Fig. AIC1086 Dropout Voltage
0.09
Thermal Regulation (%/W)
0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01
IOUT=500mA (30mS Plus) TA=125°C
Output Voltage Deviation
-0.4 -0.8 -1.2 -1.6
IOUT=0.5A
Power (Watt) Fig. AIC1086 (ADJ) Power Thermal Regulation
Temperature (°C) Fig. AIC1086 (ADJ) Temperature Stability
Ripple Rejection Ratio (dB)
COUT=3.3µF
COUT=10µF
COUT=25µF
Frequency (Hz)
Fig. AIC1086 (ADJ) Ripple Rejection Ratio (dB)
AIC1086
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Output Voltage
0.05
Output Voltage (mV,
-0.05 -0.1
0.4A
Input Voltage
Load Current
VIN=5V CIN=1µF COUT=10µF (Tantalum) VOUT=3.3V
-100
CIN=1µF COUT=10µF (Tantalum) VOUT=3.3V
0.1A
Time (µS)
Fig. Load Transient Response
Time (µS) Fig. Line Transient Response
BLOCK DIAGRAM
VREF 1.25V
Current Amp.
Thermal Limit 55µA
Current Limit VOUT fixed voltage device
DESCRIPTIONS
Providing VREF=1.25V (typ.) adjustable VOUT. VREF=VOUT-VADJ IADJ=55µA (typ.) (GND Power ground.) VOUT Adjustable output voltage. Power Input.
AIC1086
APPLICATION INFORMATION
INPUT-OUTPUT CAPACITORS Linear regulators require input output capacitors maintain stability. Input capacitor 10µF with 10µF aluminum electrolytic output capacitor recommended. POWER DISSIPATION AIC1086 obtains thermal-limiting circuitry, which designed protect device against overload condition. continuous load condition, maximum rating junction temperature must exceeded. important more attention thermal resistance. includes junction case, junction ambient. maximum power dissipation AIC1086 depends thermal resistance case circuit board, temperature difference between junction ambient air, rate airflow. rate temperature rise greatly affected mounting configuration PCB, board material, ambient temperature. When mounting with good thermal conductivity used, junction temperature will even when large power dissipation applies. power dissipation across device IOUT (VIN-VOUT). maximum power dissipation
PMAX (TJ-max
Where TJ-max maximum allowable junction temperature (125°C), ambient temperature suitable application. general rule, lower temperature better reliability device mounting should provide maximum thermal conductivity maintain device temperature.
APPLICATION EXAMPLES
10uF AIC1086 MMBT2222A Vout 3.3V 10uF
10uF AIC1086 Cadj Vout 3.3V 100uF
Cadj improve ripple rejection
Fig. VOUT=3.3V with Shutdown
AIC1086
Fig. Improving Ripple Rejection
Vout 1.25V
FLOATING INPUT 10uF AIC1086-33 100uF Vout -3.3V
10uF
10uF
Fig. VOUT=1.25V Application Circuit
Fig. Dropout Negative Supply
AIC1086
PHYSICAL DIMENSIONS
TO-220 (unit:
TO-220 MILLIMETERS MIN. 3.56 0.51 2.04 0.38 1.15 0.35 14.23 8.38 9.66 2.54 5.85 12.70 -3.54 2.54 6.85 14.73 6.35 4.08 3.42 MAX. 4.82 1.39 2.92 1.01 1.77 0.61 16.51 9.02 10.66
WITH PLATING
BASE METAL SECTION
Note: 1.Refer JEDEC TO-220AB. 2.Controlling dimension millimeter, converted inch dimensions necessarily exact.
AIC1086
TO-252 (unit:
TO-252-3L MILLIMETERS MIN. 2.19 0.00 0.64 4.95 0.46 0.46 5.33 6.35 2.28 9.40 1.40 2.67 0.51 0.89 2.03 1.02 10.41 1.78 MAX. 2.38 0.13 0.89 5.46 0.61 0.89 6.22 6.73
VIEW
WITH PLATING
BASE METAL SECTION
GAUGE PLANE SEATING PLANE
VIEW
Note: 1.Refer JEDEC TO-252AA 2.Dimension include mold flash, protrusions gate burrs. Mold flash, protrusion gate burrs shall exceed side. 3.Controlling dimension millimeter, converted inch dimensions necessarily exact.
AIC1086
SOT-223(unit:
SOT-223 MILLIMETERS MIN. MAX. 1.80 0.02 1.55 0.66 2.90 0.23 6.30 6.70 3.30 2.30 4.60 0.90 0.10 1.65 0.84 3.10 0.33 6.70 7.30 3.70
VIEW
WITH PLATING
BASE METAL
SECTION
VIEW
GAUGE PLANE SEATING PLANE
Note: 1.Refer JEDEC TO-261AA. 2.Dimension determined outermost extremes plastic body exclusive mold flash, burrs, gate burrs, interlead flash, including mismatch between bottom plastic body. 3.Controlling dimension millimeter, converted inch dimensions necessarily exact.
0.25
AIC1086
TO-263 (unit:
TO-263-3L MILLIMETERS MIN. 4.06 0.00 0.51 1.14 0.38 1.14 8.38 9.65 2.54 14.61 1.78 -0.25 15.88 2.79 1.68 1.78 MAX. 4.83 0.25 0.99 1.78 0.74 1.65 9.65 10.67
VIEW
WITH PLATING
BASE METAL SECTION
GAUGE PLANE
SEATING PLANE
Note: 1.Refer JEDEC TO-263AB. 2.Controlling dimension millimeter, converted inch dimensions necessarily exact.
Note:
Information provided believed accurate reliable. However, cannot assume responsibility circuitry other than circuitry entirely embodied product; infringement patents other rights third parties that result from use. reserve right change circuitry specifications without notice. Life Support Policy: does authorize product life support devices and/or systems. Life support devices systems devices systems which, intended surgical implant into body (ii) support sustain life, whose failure perform, when properly used accordance with instructions provided labeling, reasonably expected result significant injury user.
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1.5A Dropout Positive Regulator Dropout Voltage 1.3V 1.5A Output

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