1.5A Dropout Positive Adjustable Regulator DESCRIPTION AIC10
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AIC1086
1.5A Dropout Positive Adjustable Regulator
DESCRIPTION
AIC1086 dropout three terminal regulator with 1.5A output current capability. output voltage adjustable with resistor divider fixed 2.85V, 3.3V, Dropout guaranteed maximum 1.5V maximum output current. dropout voltage fast transient response make ideal voltage microprocessor applications. Internal current thermal limiting provides protection against overload condition that would create excessive junction temperatures.
Dropout Voltage 1.3V 1.5A Output Current. Fast Transient Response. Line Regulation typically 0.015%. Load Regulation typically 0.1%. Internal Thermal Current Limiting. Adjustable Output Voltage Fixed 2.85V, 3.3V, Standard 3-Pin Power Packages.
APPLICATIONS
Post Regulator Switching Supply. Battery Chargers. Constant-Current Regulators. Add-On Card.
TYPICAL APPLICATION CIRCUIT
10µF AIC1086 VREF
VREF=VOUT VADJ=1.25V (typ.)
VOUT 3.3V
VOUT=VREF (1+RF2/RF1)+ IADJ IADJ=55µA (typ.) needed device away from filter capacitors. required stability.
10µF
Adjustable Voltage Regulator
10µF
AIC1086-33
VOUT 3.3V
10µF
Fixed Voltage Regulator
Analog Integrations Corporation DS-1086-00
Industry Science Based Industrial Park, Hsinchu Taiwan, TEL: 886-3-5772500 FAX: 886-3-5772510
www.analog.com.tw
AIC1086
ORDERING INFORMATION
AIC1 086-XXXX
PACKAGING TYPE TO-252 TO-263 TO-220 SOT-223 TEMPERATURE RANGE C~+70 DEFAULT:ADJ. 2.85V 3.3V 5.0V AIC1086CM (TO-2 FRONT VIEW VOUT (TAB)
ORDER NUMBER
AIC1086 (TO-252)
CONFIGURATION
FRONT VIEW VOUT (TAB)
AIC1086 (TO-220)
FRONT VIEW VOUT (TAB)
AIC1086 (SOT-223)
FRONT VIEW VOUT (TAB)
ABSOLUTE MAXIMUM RATINS
ADJ/GND 125°C Operating Junction Temperature Range Storage Temperature Range 65°C 150°C TO-220 TO-263 SOT-223 Lead Temperature (Soldering) sec. .15°C
Thermal Resistance (Junction Case)
.260°C
AIC1086
ELECTRICAL CHARACTERISTICS
specified) PARAMETER
Reference Voltage
(VIN=5V, J=25°C, IO=10mA, Unless otherwise
TEST CONDITIONS
AIC1086 (Adj.) =25°C 0°CTJ 125°C AIC1086-28, VIN=5V
MIN.
TYP.
MAX.
UNIT
1.238 1.225 2.82 3.26 4.95
1.25 1.25 2.85 3.30 5.00
1.262 1.275 2.88 3.33 5.05
Output Voltage
AIC1086-33, VIN=5V AIC1086-50, VIN=7V 2.65VIN
Line Regulation
=25°C 0°CTJ 125°C
0.015 0.035
Load Regulation
=25°C, IO=10mA ~1.5A 0°CTJ 125°C VOUT, VREF
Dropout Voltage
IO=1.5A 0°CTJ 125°C 0°CTJ 125°C 2.65VIN 10mAIO 1.5A 0°CTJ 125°C 2.65VIN
Current Limit
Adjusted Current (IADJ)
Adjusted Current Change (IADJ)
10mAIO1.5A 0°CTJ 125°C IO=0.5A 0°CTJ 125°C 0°CTJ 125°C 10Hzf10KHz 120Hz input ripple COUT=25µF
Temperature Stability Minimum Load Current Output Noise VOUT) Ripple Rejection Ratio
0.003
AIC1086
TYPICAL
PERFORMANCE CHARACTERISTICS
Load Transient Response
Line Transient Response
Output Voltage (mV, IN=5V IN=1µ OUT=10µF (Tantalum) OUT=3.3V
Output Voltage
0.05
-0.05 -0.1
-100
0.4A
Input Voltage
COUT =10µ (Tantalum) VOUT=3.3V
Load Current
0.1A
Time (µS)
Time (µS)
Dropout Voltage (VOUT=3.3V) Minimum Differential Voltage
1.30 1.28 1.26 1.24 1.22 1.20 1.18
Minimum Operating Current Minimum Operating Current (mA)
1000
1200
1400
1600
Output Current (mA)
Differential Voltage
AIC1086
BLOCK DIAGRAM
Current Amp. VREF 1.25V
Thermal Limit
Current Limit VOUT fixed voltage device
DESCRIPTIONS
(GND VOUT Providing VREF=1.25V (typ.) adjustable VOUT. VREF=VOUT-V IADJ=55µA (typ.) Power ground.) Adjustable output voltage. Power Input.
AIC1086
PHYSICAL DIMENSIONS
TO-220 (unit:
3.81±0.27
SYMBOL
3.56 14.23 9.66 2.29 0.50 0.51 2.04 12.70
4.82 16.51 10.66 2.79 1.15 1.10 1.39 2.92 14.73
TO-252 (unit:
SYMBOL
2.19 1.02 0.64 5.21 0.46 5.33 6.35 2.28 (TYP.) 9.40 0.51
2.38 1.27 0.88 5.46 0.58 5.59 6.73
10.42
AIC1086
SOT-223
1.80
SYMBOL
0.02 0.60 2.90 0.24 6.30 3.30
0.12 0.80 3.15 0.35 6.80 3.70
(PLCS)
2.30 (TYP.) 6.70 7.30
0.91
SOT-223 Marking
Part AIC1086CY AIC1086-28CY AIC1086-33CY AIC1086-50CY Marking 1086 AX28 AX33 AX50
TO-263 (unit:
SYMBOL
4.06 0.50 1.14 1.14 8.63 9.65 14.60 2.28
4.83 1.00 1.40 1.40 9.66 10.29 15.88 2.80 1.40
2.54 (TYP.)
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