L4993MDTR
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STMicroelectronics L4993MDTR

Manufacturer No:
L4993MDTR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 5V 150MA 20SO
Delivery:
Payment:
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Product Introduction

Overview

The L4993MDTR is a monolithic integrated 5 V voltage regulator produced by STMicroelectronics. It is designed with a low drop voltage and can handle currents up to 150 mA. The device features a p-channel MOS output voltage regulating element and maintains regulation regardless of input voltage transients up to 40 V. The high precision of the output voltage is achieved through a pre-trimmed reference voltage. The L4993MDTR is particularly suited for supplying microprocessor systems in automotive applications due to its advanced features such as reset and watchdog functionalities.

Key Specifications

ParameterValue
Output Voltage5 V
Output CurrentUp to 150 mA
Operating DC Supply Voltage Range5.6 V to 31 V
Dropout Voltage400 mV
Quiescent Current79 μA (typical with watchdog disabled)
Temperature Range-40°C to 150°C (Tj)
Package TypesSO-8, SO-20
RoHS ComplianceEcopack2

Key Features

  • AEC-Q100 qualified
  • Reset circuit sensing the output voltage down to 1 V
  • Programmable reset pulse delay with external capacitor
  • Watchdog with programmable watchdog timer
  • Enable input for enabling/disabling the watchdog functionality
  • Thermal shutdown and short circuit protection
  • Wide temperature range (Tj = -40°C to 150°C)

Applications

The L4993MDTR is specifically designed for automotive applications, particularly for supplying microprocessor systems. Its robust features such as watchdog, reset circuit, and thermal protection make it ideal for use in vehicles where reliability and precision are critical.

Q & A

  1. What is the output voltage of the L4993MDTR?
    The output voltage of the L4993MDTR is 5 V.
  2. What is the maximum output current of the L4993MDTR?
    The maximum output current is up to 150 mA.
  3. What is the operating DC supply voltage range of the L4993MDTR?
    The operating DC supply voltage range is from 5.6 V to 31 V.
  4. Does the L4993MDTR have thermal protection?
    Yes, the L4993MDTR has thermal shutdown and short circuit protection.
  5. What are the package types available for the L4993MDTR?
    The package types available are SO-8 and SO-20.
  6. Is the L4993MDTR RoHS compliant?
    Yes, the L4993MDTR is RoHS compliant with an Ecopack2 rating.
  7. What is the temperature range of the L4993MDTR?
    The temperature range is from -40°C to 150°C (Tj).
  8. Does the L4993MDTR have a watchdog feature?
    Yes, it has a watchdog feature with a programmable watchdog timer.
  9. Can the reset pulse delay be programmed on the L4993MDTR?
    Yes, the reset pulse delay can be programmed using an external capacitor.
  10. Is the L4993MDTR AEC-Q100 qualified?
    Yes, the L4993MDTR is AEC-Q100 qualified.

Product Attributes

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):125 µA
Current - Supply (Max):2 mA
PSRR:55dB (100Hz)
Control Features:Reset, Watchdog
Protection Features:Over Temperature, Short Circuit
Operating Temperature:-40°C ~ 150°C
Mounting Type:Surface Mount
Package / Case:20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:20-SO
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In Stock

$1.18
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Same Series
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Similar Products

Part Number L4993MDTR L4993DTR
Manufacturer STMicroelectronics STMicroelectronics
Product Status Active Active
Output Configuration Positive Positive
Output Type Fixed Fixed
Number of Regulators 1 1
Voltage - Input (Max) 31V 31V
Voltage - Output (Min/Fixed) 5V 5V
Voltage - Output (Max) - -
Voltage Dropout (Max) 0.4V @ 150mA 0.4V @ 150mA
Current - Output 150mA 150mA
Current - Quiescent (Iq) 125 µA 125 µA
Current - Supply (Max) 2 mA 2 mA
PSRR 55dB (100Hz) 55dB (100Hz)
Control Features Reset, Watchdog Reset, Watchdog
Protection Features Over Temperature, Short Circuit Over Temperature, Short Circuit
Operating Temperature -40°C ~ 150°C -40°C ~ 150°C
Mounting Type Surface Mount Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 20-SO 8-SOIC

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