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PDF LD2940 Data sheet ( Hoja de datos )
| Número de pieza | LD2940 | |
| Descripción | 1A Ultra Low Dropout Voltage Regulator | |
| Fabricantes | TAITRON | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LD2940 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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1A Ultra Low Dropout
Voltage Regulator
LD2940 Series
1A Ultra Low Dropout Voltage Regulator
General Description
• The LD2940 is a low dropout three-terminal regulator with a typical dropout
of 280mV at 1A output current.
• The LD2940 provides current limit and thermal shutdown. On-chip thermal
shutdown provides protection against any combination of high current and
ambient temperature that would create excessive junction temperatures.
• The LD2940 has 1.2V, 1.8V, 2.5V, 3.3V and 5.0V versions.
• The LD2940 series is available in the industry standard TO-220, TO-263-3,
DPAK(TO-252) and SOT-223 power packages. (Detailed information please
refer to page 2 &3)
TO-220
TO-263-3
SOT-223
Features
• Minimum Guaranteed Output Current: 1A
• Dropout Voltage at IOUT=1A: 280mV Typ. (Except 1.2V and 1.8V Versions)
• Output Accuracy: ± 1%
• Low Ground Current
• Internal Current Limit and Thermal Protection
• Reversed-battery and Reversed-lead Insertion Protection
• Fast Transient Response
Applications
• LCD TV
• Set Top Box
• LCD Monitor
• SMPS Post Regulator
• Laptop, Palmtop and Notebook
• Portable Instrumentation
• USB Power Supply
DPAK (TO-252)
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/CH
Page 1 of 21
1 page  
1A Ultra Low Dropout Voltage Regulator
Absolute Maximum Ratings (Note 1)
LD2940 Series
Symbol
VIN
TJ
TSTG
TLEAD (10 sec)
θJA
ESD
ESD
Description
Input Voltage
Operating Junction Temperature
Storage Temperature Range
Lead Soldering Temperature
Thermal Resistance
ESD (Machine model)
ESD (Human Body model)
Ratings
16
150
-65 to 150
260
TO-220
60
TO-263-3
DPAK
(TO-252)
SOT-223
60
100
120
300
5000
Unit
V
°C
°C
°C
°C/W
V
V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent
damage to the device. These are stress ratings only, and functional operation of the device at these or any
other conditions beyond those indicated under "Recommended Operating Conditions" is not implied.
Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Symbol
Description
VIN Input Voltage
TJ Operating Junction Temperature
Min.
2.5
-40
Max.
13.2
125
Unit
V
°C
www.taitroncomponents.com
Rev. A/CH
Page 5 of 21
5 Page 
1A Ultra Low Dropout Voltage Regulator
Typical Characteristics Curves
LD2940 Series
Fig.1- Line Regulation
Fig.2- Load Regulation
Input Voltage (V)
Fig.3- Ground Current vs. Output Current
Output Current (mA)
Fig.4- Ground Current vs. Input Voltage
Output Current (mA)
www.taitroncomponents.com
Input Voltage (V)
Rev. A/CH
Page 11 of 21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LD2940.PDF ] | |
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