DROPOUT POSITIVE ADJUSTABLE REGULATOR SPEC DS-1084-00 DESCRI
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AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
DESCRIPTION
AIC1084 dropout three terminal regulator with output current capability. output voltage adjustable with resistor divider fixed 1.5V, 1.8V, 3.3V. Dropout guaranteed maximum 1.4V 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 Output Current. Fast Transient Response. Line Regulation typically 0.015%. Load Regulation typically 0.1%. Internal Thermal Current Limiting. Adjustable Output Voltage Fixed 1.5V, 1.8V, 3.3V. Standard 3-Pin Power Packages.
APPLICATIONS
Mother Board Power Supplies. Microprocessor Power Supplies. High Current Regulator. Post Regulator Switching Supply.
TYPICAL APPLICATION CIRCUIT
10µF AIC1084 VREF VOUT 3.3V 10µF
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
10µF
AIC1084-33
VOUT 3.3V
10µF
Fixed Voltage Regulator
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
ORDERING INFORMATION
AIC1084-XXXX
PACKAGING TYPE TO-252 TO-263 TO-220
ORDER NUMBER
AIC1084CE (TO-252)
CONFIGURATION
FRONT VIEW (GND) VOUT (TAB)
TEMPERATURE RANGE 0°C~70°C OUTPUT VOLTAGE DEFAULT: ADJ. 1.5V 1.8V 3.3V
AIC1084CM (TO-263)
FRONT VIEW (GND) VOUT (TAB)
AIC1084CT (TO-220)
FRONT VIEW (GND) VOUT (TAB)
ABSOLUTE MAXIMUM RATINGS
ADJ/GND Operating Junction Temperature Range 0°C~ 125°C Storage Temperature Range 65°C 150°C Thermal Resistance Junction Case TO-252 12.5°C/W TO-263, TO-220 Thermal Resistance Junction Ambient TO-252 100°C/W TO-263 60°C TO-220 50°C Lead Temperature (Soldering) sec. .260°C
TEST CIRCUIT
Refer TYPICAL APPLICATION CIRCUIT.
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
ELECTRICAL CHARACTERISTICS
specified)
(VIN=5V, TJ=25°C, IO=10mA, Unless otherwise
PARAMETER
Reference Voltage
TEST CONDITIONS
AIC1084 (Adj.) TJ=25°C 0°CTJ125°C AIC1084-15 VIN=5V
MIN.
1.238 1.225 1.48 1.78 3.27
TYP.
1.25 1.25 1.50 1.80 3.30 0.015 0.035
MAX.
1.262 1.275 1.52 1.82 3.33
UNIT
Output Voltage Line Regulation
AIC1084-18 VIN=5V AIC1084-33 VIN=5V 4.75 5.25, TJ=25°C TJ125°C
Load Regulation
TJ=25°C 0°CTJ 125°C VOUT, VREF=1% 10mA 125°C 4.75 5.25V 125°C 4.75 5.25V 10mA TJ125°C 4.75 5.25V 10mA TJ125°C
Dropout Voltage
Current Limit
Adjusted Current
Adjusted Current Change (IADJ)
Temperature Stability
IO=0.5A TJ125°C 125°C 10Hz 10KHz 120Hz input ripple COUT=25µF (VIN-VOUT)=3V
Minimum Load Current Output Noise VOUT) Ripple Rejection Ratio
0.003
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
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.) Power ground.) VOUT Adjustable output voltage. Power Input.
(GND
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
TYPICAL
PERFORMANCE CHARACTERISTICS
Load Transient Response Line Transient Response Output Voltage (mV,
Output Voltage
-0.2 -0.4
Input Voltage
Load Current
VIN=5.0V CIN=1µF(Tantalum) COUT=10µF(Tantalum) VOUT=3.3V
-100
COUT=10µF (Tantalum) VOUT=3.3V
2.5A
0.1A
Time (µS)
Time (µS)
Dropout Voltage (VOUT=3.3V)
1.35
Minimum Operating Current Minimum Operating Current (mA)
Minimum differential Voltage
1.30
1.25
1.20
1.15
1.10
1.05
Output Current
Differential Voltage
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
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 9.40 0.51
2.38 1.27 0.88 5.46 0.58 5.59 6.73 10.42
2.28 (TYP.)
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
AIC1084
DROPOUT POSITIVE ADJUSTABLE REGULATOR
SPEC DS-1084-00
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.)
ANALOG INTEGRATIONS CORPORATION
Industry Road, Science-based Industrial Park Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
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