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L4979MD +BOM
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA 20-SO
SOP20-
Manufacturer:
-
Mfr.Part #:
L4979MD
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Datasheet:
-
Output Configuration:
Positive
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Output Type:
Fixed
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Number Of Regulators:
1
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Voltage - Input (Max):
31V
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EDA/CAD Models:
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L4979MD General Description
L4979MD is a low dropout linear regulator with microprocessor control functions, including low voltage reset, watchdog, and on/off control. It offers a typical quiescent current of 100 μA in very low output current mode and enabled regulator, which helps to minimize power consumption while ensuring reliable performance. Furthermore, the device features on-chip trimming for high output voltage accuracy (+/-2%) over a wide temperature range, as well as consistent operation in the face of varying line and load conditions. Additionally, with a maximum input voltage of 40V and internally limited max output current, the L4979MD is designed to provide robust and reliable regulation. The internal temperature protection further enhances the safety and reliability of the regulator by disabling the voltage regulator output in case of overheating
Key Features
- AEC-Q100 qualified
- Operating DC supply voltage range 5.6 V to 31 V
- Low quiescent current (6 μA typ. @ 25 °C with enable low)
- High precision output voltage (+/-2%)
- Low dropout voltage less than 0.5 V
- Reset circuit sensing the output voltage down to 1 V
- Programmable reset pulse delay with external capacitor
- Watchdog
- Programmable watchdog timer with external capacitor
- Thermal shutdown and short circuit protection
- Automotive temperature range (Tj = -40 °C to 150 °C)
- Enable input for enabling/disabling the voltage regulator output
Application
- Switching Power Supplies including Mini adapters and Displays
- Instrumentation
- Engine Control Recirculation Diodes
- Freewheeling Diode Where Space is at a Premium
- Automotive
- Lighting
- Gasoline Direct Injection
Specifications
Category | Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear | Series | - |
Output Configuration | Positive | Output Type | Fixed |
Number of Regulators | 1 | Voltage - Input (Max) | 31V |
Voltage - Output (Min/Fixed) | 5V | Voltage - Output (Max) | - |
Voltage Dropout (Max) | 0.4V @ 150mA | Current - Output | 150mA |
Current - Quiescent (Iq) | 20 µA | Current - Supply (Max) | 3 mA |
PSRR | 55dB (100Hz) | Control Features | Enable, Reset, Watchdog |
Protection Features | Over Temperature, Short Circuit | Operating Temperature | -40°C ~ 150°C |
Mounting Type | Surface Mount | Base Product Number | L4979 |
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