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AIC1117 반도체 회로 부품 판매점

800mA Low Dropout Positive Adjustable Regulator



Analog Intergrations Corporation 로고
Analog Intergrations Corporation
AIC1117 데이터시트, 핀배열, 회로
AIC1117
800mA Low Dropout Positive Regulator
FEATURES
Dropout Voltage 1.2V at 800mA Output Current.
Fast Transient Response.
Line Regulation, typical at 0.015%.
Load Regulation, typical at 0.1%.
Current Limiting and Thermal Protection.
Adjustable Output Voltage or Fixed at 1.8V, 2.5V,
2.85V, 3.3V, and 5V.
Standard 3-Pin Power Packages.
APPLICATIONS
Active SCSI Terminators.
Post Regulators for Switching Supplies.
Battery Chargers.
PC Add-On Card.
DESCRIPTION
The AIC1117 is a low dropout, three terminals
regulator designed to provide output current
up to 800mA. The device is available in an
adjustable version and fixed output voltage of
1.8V, 2.5V, 2.85V, 3.3V and 5V. Dropout
voltage of maximum of 1.4V is guaranteed at
800mA output current. The quality of low
dropout voltage and fast transient response
make this device ideal for low voltage
microprocessor applications.
The AIC1117 requires output capacitance of a
minimum of 10µF for stability. Built-in output
current limiting and thermal limiting provide
maximal protection to the AIC1117 against
fault conditions.
TYPICAL APPLICATION CIRCUIT
VIN 3 AIC1117 2
5V
VOUT
3.3V
C1 +
10µF
1 ADJ
VREF RF1
125
1%
RF2
205
+
C2
10µF
(Note1)
1%
VREF=VOUT - VADJ=1.25V (typ.)
VOUT=VREF x (1+RF2/RF1)+ IADJ x RF2
IADJ=55µA (typ.)
(1) C1 needed if device is far away from filter
capacitors.
(2) C2 required for stability.
Adjustable Voltage Regulator
VIN 3 AIC1117-33 2
5V
1
C1 +
10µF
GND
VOUT
3.3V
+
C2
10µF
(Note1)
Fixed Voltage Regulator
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510 www.analog.com.tw
DS-1117P-05 041206
1


AIC1117 데이터시트, 핀배열, 회로
AIC1117
ORDERING INFORMATION
AIC1117-XXXXXX
PACKING TYPE
TR: TAPE & REEL
TB: TUBE
BG: BAG (for SOT-223)
PACKAGING TYPE
E: TO-252
M: TO-263
T: TO-220
Y: SOT-223
C: Commercial
P: Lead Free Commercial
OUTPUT VOLTAGE
DEFAULT: ADJUSTABLE
18: 1.8V
25: 2.5V
28: 2.85V
33: 3.3V
50: 5.0V
Example: AIC1117-25CETR
2.5V version in TO-252 Package
& Taping & Reel Packing Type
AIC1117-25PYTR
2.5V version in SOT-223 Lead
Free Package & Taping & Reel
Packing Type
PIN CONFIGURATION
TO-252 (CE&PE)
TOP VIEW
1: ADJ (GND)
2: VOUT (TAB)
3: VIN
123
TO-263 (CM&PM)
TOP VIEW
1: ADJ (GND)
2: VOUT (TAB)
3: VIN
123
TO-220 (CT&PT)
FRONT VIEW
1: ADJ (GND)
2: VOUT (TAB)
3: VIN
123
SOT-223 (CY&PY)
TOP VIEW
1: ADJ (GND)
2: VOUT (TAB)
3: VIN
12 3
SOT-223 Marking
Part No.
AIC1117
AIC1117-18
AIC1117-25
AIC1117-28
AIC1117-33
AIC1117-50
CY
AK17
AK18
AK25
AK28
AK33
AK50
PY
AK17P
AK18P
AK25P
AK28P
AK33P
AK50P
2




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AIC1117 regulator

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