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AX1117 Datasheet Preview

AX1117 Datasheet

1.2A Low Dropout Positive Voltage Regulator

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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
AX1117 Series Pin Assignment
123
Tab
123
3-Lead Plastic SOT-89
Package Code: M
Pin 1: ADJ/GND
Pin 2: VOUT
Pin 3: VIN
3-Lead Plastic SOT-223
Package Code: SJ
Pin 1: ADJ/GND
Pin 2 & Tab: VOUT
Pin 3: VIN
Tab
Tab
123
3-Lead Plastic TO-252
Package Code: J
Pin 1: ADJ/GND
Pin 2 & Tab: VOUT
Pin 3: VIN
3-Lead Plastic TO-220AB
Package Code: E
Pin 1: ADJ/GND
Pin 2 & Tab: VOUT
Pin 3: VIN
1 23
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
AX1117M-Adj
AX1117M-Fix
AX1117SJ-Adj
AX1117SJ-Fix
Output Voltage
1.3V to 4V
1.8V, 2.5V, 3.3V, 5V
1.3V to 4V
1.8V, 2.5V, 3.3V, 5V
Package
SOT-89
SOT-223
Device
AX1117J-Adj
AX1117J-Fix
AX1117E-Adj
AX1117E-Fix
Output Voltage
1.3V to 4V
1.8V, 2.5V, 3.3V, 5V
1.3V to 4V
1.8V, 2.5V, 3.3V, 5V
Package
TO-252
TO-220AB
Absolute Maximum Ratings
Parameter
Symbol
Input Voltage
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 5 Sec
Electrostatic Discharge Sensitivity
VIN
PD
TOPR
TSTG
TLEAD
*: SOT-223: 0.9W(Max.), SOT-89: 0.6W(Max.), TO-252: 0.9W(Max.), TO-220: 2.1W(Max.)
Maximum
20
Internally Limited *
0 To +125
-65 To +150
260
2
Units
V
W
°C
°C
°C
KV/Min
AVANTICS - AX1117 Series
Specification No.: 050309-FE0005




Avantics

AX1117 Datasheet Preview

AX1117 Datasheet

1.2A Low Dropout Positive Voltage Regulator

No Preview Available !

Page No. : 2/7
Electrical Characteristics (Ci=10uF, CO=100uF, unless otherwise noted.)
Parameter
Test Conditions
Output Voltage
AX1117-1.8
AX1117-2.5
AX1117-3.3
AX1117-5
Reference Voltage
IO=0mA, VIN=3.3V
IO =0mA, VIN =4V
IO =0mA, VIN =4.8V
IO =0mA, VIN =6.5V
AX1117-Adj
Line Regulation
IO =10mA, VIN -VO=3V
AX1117-1.8
AX1117-2.5
AX1117-3.3
AX1117-5
AX1117-Adj
Load Regulation
IO=0mA, VIN=3.3~10V
IO =0mA, VIN =4~10V
IO =0mA, VIN =4.8~10V
IO =0mA, VIN =6.5~10V
IO =10mA, VIN -VO=1.5~10V
AX1117-1.8
AX1117-2.5
AX1117-3.3
AX1117-5
AX1117-Adj
Dropout Voltage NOTE3
IO=0~800mA, VIN=3.3V, TJ=25oC
IO=0~1200mA, VIN=3.3V, NOTE1
IO=0~800mA, VIN=4V, TJ=25oC
IO=0~1200mA, VIN=4V, NOTE1
IO=0~800mA, VIN=4.8V, TJ=25oC
IO=0~1200mA, VIN=4.8V, NOTE1
IO=0~800mA, VIN=6.5V, TJ=25oC
IO=0~1200mA, VIN=6.5V, NOTE1
IO=0~800mA, VIN=2.75V, TJ=25oC
IO=0~1200mA, VIN=2.75V, NOTE1
All AX1117 Series
Current Limit
IO=100mA, TJ=25oC
IO=500mA, TJ=25oC
IO=1200mA, TJ=25oC
IO=1200mA
All AX1117 Series
Minimum Load Current
VIN -VO=1.5V
AX1117-ADJ NOTE1 & NOTE2
Quiescent Current
VIN -VO=13.75V NOTE1 & NOTE2
AX1117-Fix NOTE1
Adjust Pin Current NOTE1 & NOTE2
Adjust Pin Current Change
Ripple Rejection
VIN -VO=5V NOTE1
IO =10mA, VIN -VO=1.5V NOTE1 & NOTE2
IO =10mA, VIN -VO=1.4V~10V
All AX1117 Series
Temperature Drift
f=120MHz, VIN -VO=3V+1.5Vpp, CO=22uF
AX1117-Fix
TJ=0~25oC
AX1117-Adj
TJ=0~25oC
Note: 1. Specification applies over the full operating junction temperature range, 0~125oC
2. AX1117-Adj require a minimum load current for ±3% regulation
3. Dropout voltage is the input voltage minus output voltage that produces a 1% decrease in output voltage.
Min.
1.782
2.475
3.27
4.95
1.238
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2000
-
-
-
-
-
-
-
Typ.
1.8
2.5
3.3
5
1.25
1
1
2
3
0.1
-
-
-
-
-
-
-
-
-
-
1.05
1.1
1.2
1.2
2600
1.7
6
50
0.5
62
0.5
2
Max.
1.818
2.525
3.33
5.05
1.262
6
7
7
10
0.4
0.4
1
0.4
1
0.4
1
0.4
1
0.4
1
1.15
1.15
1.3
1.55
3200
5
10
120
5
-
-
-
Units
V
V
V
V
V
mV
mV
mV
mV
%
%
%
%
%
%
%
%
%
%
%
V
V
V
V
mA
mA
mA
uA
uA
dB
%
%
AVANTICS - AX1117 Series
Specification No.: 050309-FE0005


Part Number AX1117
Description 1.2A Low Dropout Positive Voltage Regulator
Maker Avantics
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