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AVANTICS - AX1117 Series
Specification No.: 050309-FE0005
AX1117 Series
1.2A Low Dropout Positive Voltage Regulator
Features
Low Dropout Voltage 1.2V at 1.2A
Adjustable or Fixed Voltage (1.8V, 2.5V, 3.3V, 5V)
Over Current Protection
Thermal Overload Protection
Maximum Line Regulation 0.45%
Maximum Load Regulation 0.4%
Adjust Pin Current Less Than 90 uA
Applications
SCSI-2 Active Termination
High Efficiency Linear Regulators
5V to 3.3V Voltage Converter
Battery Charger
Battery Management Circuits For Notebook And Palmtop PCs
Core Voltage Supply: FPGA, PLD, DSP, CPU
General Description
The AX1117 Series are available in fixed and adjustable output voltage versions. Over current and thermal overload protection
are integrated onto the chip. Output current will decrease while it reaches the preset current or temperature limit. The dropout
voltage is specified at 1.2V Maximum at full rated output current. AX1117 Series provide excellent regulation over variations due
to changes in line, load and temperature. AX1117 Series are three terminal regulators and available in popular packages.
Device Selection Guide
Device
Output Voltage
Package
Device
Output Voltage
Package
AX1117M-Adj
1.3V to 4V
AX1117J-Adj
1.3V to 4V
AX1117M-Fix
1.8V, 2.5V, 3.3V, 5V
SOT-89
AX1117J-Fix
1.8V, 2.5V, 3.3V, 5V
TO-252
AX1117SJ-Adj
1.3V to 4V
AX1117E-Adj
1.3V to 4V
AX1117SJ-Fix
1.8V, 2.5V, 3.3V, 5V
SOT-223
AX1117E-Fix
1.8V, 2.5V, 3.3V, 5V
TO-220AB
Absolute Maximum Ratings
Parameter
Symbol
Maximum
Units
Input Voltage
V
IN
P
D
T
OPR
T
STG
T
LEAD
20
V
Power Dissipation
Internally Limited *
W
Operating Junction Temperature Range
0 To +125
°
C
°
C
°
C
Storage Temperature Range
-65 To +150
Lead Temperature (Soldering) 5 Sec
260
Electrostatic Discharge Sensitivity
2
KV/Min
*: SOT-223: 0.9W(Max.), SOT-89: 0.6W(Max.), TO-252: 0.9W(Max.), TO-220: 2.1W(Max.)
AX1117 Series Pin Assignment
3-Lead Plastic
SOT-223
Package Code: SJ
Pin 1: ADJ/GND
Pin 2 & Tab: V
OUT
Pin 3: V
IN
123
Tab
3-Lead Plastic
SOT-89
Package Code: M
Pin 1: ADJ/GND
Pin 2: V
OUT
Pin 3: V
IN
123
3-Lead Plastic
TO-252
Package Code: J
Pin 1: ADJ/GND
Pin 2 & Tab: V
OUT
Pin 3: V
IN
1
2
3
Tab
3-Lead Plastic
TO-220AB
Package Code: E
Pin 1: ADJ/GND
Pin 2 & Tab: V
OUT
Pin 3: V
IN
123
Tab