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PDF LD1117A50 Data sheet ( Hoja de datos )
| Número de pieza | LD1117A50 | |
| Descripción | 1A Low Dropout Positive Voltage Regulator | |
| Fabricantes | TAITRON | |
| Logotipo |  |
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1 A Low Dropout
Positive Voltage Regulator
LD1117A12/ADJ-LD1117A50/ADJ
1A Low Dropout Positive Voltage Regulator
General Description
• LD1117A is a three terminal low dropout positive voltage regulator.
It provides current limiting and thermal shut down and its circuit includes a trimmed
Bandgap reference to assure output voltage accuracy for both fixed output voltage
version and adjustable output voltage version. Current limit is trimmed to ensure
specified output current and controlled short-circuit current.On-chip thermal shutdown
provides protection against any combination of overload and ambient temperature that
would create excessive junction temperature
• There are 7 Fixed output voltages :1.2V, 1.5V,1.8V, 2.5V ,2.85V,3.3V an 5.0V.
There are also an adjustble version provide output voltage from 1.25V to 12V with
2 external resisitors.
They are suitable for applications that required supply current up to 1 A.
• LD1117A series are available in SOT-223 ,SOT-89 ,TO-220,DPAK (TO-252) and
D2PAK (TO-263) Packages
Features
• Input Voltage up to 20V
• Output Current up to 1A
• Low Drop Output Voltage:Typical 1.15V at 1A output current
• Output Voltage Accuracy : ±1% for fixed output Voltage 1.5V,1.8V, 2.5V ,2.85V,
3.3V,5.0V and Adjustble Output Voltage Version.
±2% for fixed output Voltage 1.2V
• Trimmed Current Limit and On-Chip Thermal Shutdown
• Operation Junction Temperature: -40°C to 125°C
• RoHS Compliance and Halogen Free
Applications
• PC Mother Board
• Graphic Card
• NIC/Switch
• LCD Monitor , DVD Video Player and Printer
• Telecom Equipment and other Peripheral Equipment
SOT-223
SOT-89
TO-220
DPAK
D2PAK
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com
Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
Rev. A/LX
Page 1 of 21
1 page  
1A Low Dropout Positive Voltage Regulator
LD1117A12/ADJ -LD1117A50/ADJ
Outline
D2PAK
Temperatue
Range
-40°C to 125°C
PN
RoHS
Halogen Free
LD1117AADJMC-08-
TR30
LD1117AADJMC-08-
RG30
LD1117AADJMC-08-TU LD1117AADJMC-08-UG
LD1117A12MC-08-TR30 LD1117A12MC-08-RG30
LD1117A12MC-08-TU
LD1117A12MC-08-UG
LD1117A15MC-08-TR30 LD1117A15MC-08-RG30
LD1117A15MC-08-TU
LD1117A15MC-08-UG
LD1117A18MC-08-TR30 LD1117A18MC-08-RG30
LD1117A18MC-08-TU
LD1117A18MC-08-UG
LD1117A25MC-08-TR30 LD1117A25MC-08-RG30
LD1117A25MC-08-TU
LD1117A285MC-08-
TR30
LD1117A285MC-08-TU
LD1117A25MC-08-UG
LD1117A285MC-08-
RG30
LD1117A285MC-08-UG
LD1117A33MC-08-TR30 LD1117A33MC-08-RG30
LD1117A33MC-08-TU
LD1117A33MC-08-UG
LD1117A50MC-08-TR30 LD1117A50MC-08-RG30
LD1117A50MC-08-TU
LD1117A50MC-08-UG
Marking Code
RoHS
Halogen
Free
AZ1117S AZ1117S
-ADJEA -ADJGA
AZ1117S AZ1117S
-ADJEA -ADJGA
AZ1117S AZ1117S
-1.2EA
-1.2GA
AZ1117S AZ1117S
-1.2EA
-1.2GA
AZ1117S AZ1117S
-1.5EA
-1.5GA
AZ1117S AZ1117S
-1.5EA
-1.5GA
AZ1117S AZ1117S
-1.8EA
-1.8GA
AZ1117S AZ1117S
-1.8EA
-1.8GA
AZ1117S AZ1117S
-2.5EA
-2.5GA
AZ1117S AZ1117S
-2.5EA
-2.5GA
AZ1117S AZ1117S
-2.85EA -2.85GA
AZ1117S AZ1117S
-2.85EA -2.85GA
AZ1117S AZ1117S
-3.3EA
-3.3GA
AZ1117S AZ1117S
-3.3EA
-3.3GA
AZ1117S AZ1117S
-5.0EA
-5.0GA
AZ1117S AZ1117S
-5.0EA
-5.0GA
Packing
Type
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
www.taitroncomponents.com
Rev. A/LX
Page 5 of 21
5 Page 
1A Low Dropout Positive Voltage Regulator
LD1117A12/ADJ -LD1117A50/ADJ
Thermal
Resistance
SOT-223
SOT-89
TO-220
DPAK
D2PAK
- 25 -
- 30 -
- 10 - ° C/W
- 17 -
- 10 -
For LD1117A285 (VIN≤10V, TJ=25°C, unless otherwise specified)
Symbol
Description
LD1117A285
Min.
Type.
Max.
Unit
VO Output Voltage
2.822 2.85 2.878
2.793 2.85 2.907
V
V
∆VLINE Line Regulation
- 1 6 mV
∆VLOAD Load Regulation
- 1 10 mV
ILIMIT Current Limit
1.25 1.35 -
A
IQ Quiescent Current
- 5 10 mA
- 1.0 1.1
V
VD Dropout Voltage
- 1.08 1.18
V
- 1.15 1.25
V
eN Output Noise Voltage
- 0.003 -
%
PSRR
Power Supply Ripple Rejection
Ratio
60 75
-
dB
- Temperature Stability
- 0.5 -
%
-
Long-term Temperature Stability
-
0.3
%
SOT-223
- 25 -
Thermal
Resistance
SOT-89
TO-220
DPAK
- 30 -
- 10 - ° C/W
- 17 -
D2PAK
- 10 -
-
-
-
-
-
Test Conditions
VIN =4.85V, IO=10mA
4.25V≤VIN≤10V,10mA≤IO≤1A
1.5V≤VIN-VO≤10V, IO=10mA
VIN-VO=2V,10mA≤IO≤1A
VIN-VO=2V
VIN-VO=1.25V
∆VLINE ,∆VLOAD =1%,IO=100mA
∆VLINE ,∆VLOAD =1%,IO=500mA
∆VLINE ,∆VLOAD =1%,IO=1A
10Hz≤f≤10KHz,TA=25°C
VIN-VO=3V, IO=1A, f=120Hz
CO=22uF Tantalum
-
TA=125°C,1000hrs
-
-
-
-
-
For LD1117A33 (VIN≤10V, TJ=25°C, unless otherwise specified)
Symbol
Description
LD1117A33
Min.
Type.
Max.
VO Output Voltage
3.267 3.3 3.333
3.235 3.3 3.365
∆VLINE Line Regulation
- 16
∆VLOAD Load Regulation
- 1 10
ILIMIT Current Limit
1.25 1.35 -
IQ Quiescent Current
- 5 10
Unit
V
V
mV
mV
A
mA
www.taitroncomponents.com
Test Conditions
VIN =5.0V, IO=10mA
4.75V≤VIN≤10V,10mA≤IO≤1A
1.5V≤VIN-VO≤10V, IO=10mA
VIN-VO=2V,10mA≤IO≤1A
VIN-VO=2V
VIN-VO=1.25V
Rev. A/LX
Page 11 of 21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LD1117A50.PDF ] | |
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