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PDF LD1117A Data sheet ( Hoja de datos )
| Número de pieza | LD1117A | |
| Descripción | 1A Low Dropout Positive Voltage Regulator | |
| Fabricantes | TAITRON | |
| Logotipo |  |
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1 A Low Dropout
Positive Voltage Regulator
LD1117A
1A Low Dropout Positive Voltage Regulator
General Description
• LD1117A is a three terminal low dropout positive voltage regulator with a dropout of
1.15V at 1A output current.
• LD1117A is available in an adjustable version which can set the output voltage 1.25V
to 12V with only 2 external resisitors.In addition,it is also available in 7 Fixed output
voltages: 1.2V,1.5V,1.8V,2.5V,2.85V,3.3V an 5.0V
• LD1117A provides current limiting and thermal shutdown. Its circuit includes a trimmed
Bandgap reference to assure output voltage accuracy to be within ±1.0% for fixed output
voltage version and ±2.0% for 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
• LD1117A series are available in SOT-223 ,SOT-89 ,TO-220,DPAK (TO-252) and
D2PAK (TO-263-3) Packages
SOT-223
SOT-89
TO-220
Features
• Input Voltage up to 20V
• Output Current up to 1A
• Low Drop Output Voltage:Typical 1.15V at 1A output current
• 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
DPAK
D2PAK
（TO-252） （TO-263-3）
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
http://www.Datasheet4U.com
1 page  
1A Low Dropout Positive Voltage Regulator
LD1117A
Outline
D2PAK
(TO-263-3)
Temperatue
Range
-40°C to 125°C
RoHS
PN
Halogen Free
LD1117AM-ADJ-08-TR30 L D1117AM-ADJ-08-RG30
LD1117AM-ADJ-08-TU L D1117AM-ADJ-08-UG
LD1117AM-1.2-08-TR30 L D1117AM-1.2-08-RG30
LD1117AM-1.2-08-TU
LD1117AM-1.2-08-UG
LD1117AM-1.5-08-TR30 L D1117AM-1.5-08-RG30
LD1117AM-1.5-08-TU L
D1117AM-1.5-08-UG
LD1117AM-1.8-08-TR30 L D1117AM-1.8-08-RG30
LD1117AM-1.8-08-TU L
D1117AM-1.8-08-UG
LD1117AM-2.5-08-TR30 L D1117AM-2.5-08-RG30
LD1117AM-2.5-08-TU L
LD1117AM-2.85-08-TR30
LD1117AM-2.85-08-TU L
D1117AM-2.5-08-UG
LD1117AM-2.85-08-
RG30
D1117AM-2.85-08-UG
LD1117AM-3.3-08-TR30 L D1117AM-3.3-08-RG30
LD1117AM-3.3-08-TU L
D1117AM-3.3-08-UG
LD1117AM-5.0-08-TR30 L D1117AM-5.0-08-RG30
LD1117AM-5.0-08-TU L
D1117AM-5.0-08-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
LD1117A
- Thermal shutdown
- 150 -
°C
- Temperature Stability
- 0. 5 -
%
-
Long-term Temperature Stability
-
0.3
%
SOT-223 -
25 -
SOT-89 -
30 -
Thermal
Resistance
TO-220 -
10
DPAK(TO-252) -
17
D2PAK
(TO-263-3)
- 10
- °C/W
-
-
For LD1117A-2.85 (VIN≤10V, TJ=25°C, unless otherwise specified)
Symbol
Description
LD1117A-2.85
Min.
Type.
Max.
Unit
VO Output Voltage
2.822 2.85 2.878 V V
2.793 2.85 2.907 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
- Thermal shutdown
- 150 -
°C
- Temperature Stability
- 0. 5 -
%
-
Long-term Temperature Stability
-
0.3
%
SOT-223 -
25 -
SOT-89 -
30 -
Thermal
Resistance
TO-220 -
10
DPAK(TO-252) -
17
D2PAK
(TO-263-3)
- 10
- °C/W
-
-
Junction Temperature
-
TA=125°C,1000hrs
-
-
-
-
-
Test Conditions
IN =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
Junction Temperature
-
TA=125°C,1000hrs
-
-
-
-
-
www.taitroncomponents.com
Rev. A/LX
Page 11 of 21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LD1117A.PDF ] | |
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