L7905CD2T
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STMicroelectronics L7905CD2T

Manufacturer No:
L7905CD2T
Manufacturer:
STMicroelectronics
Package:
Tube
Description:
IC REG LINEAR -5V 1.5A D2PAK
Delivery:
Payment:
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Product Introduction

Overview

The L7905CD2T-TR is a three-terminal negative voltage regulator from STMicroelectronics, part of the L79 series. This regulator is available in the D2PAK package and is designed to provide a fixed output voltage of -5V. It is suitable for a wide range of applications, including local on-card regulation and split power supplies. The device can deliver up to 1.5 A of output current and features thermal overload protection, short-circuit protection, and output SOA (Safe Operating Area) protection.

Key Specifications

ParameterValueUnit
Output Voltage-4.9 to -5.1V
Output CurrentUp to 1.5A
Dropout Voltage1.4V
Quiescent Current3mA
Line Regulation100 mV (VI = -7 to -25 V)mV
Load Regulation100 mV (IO = 5 mA to 1.5 A)mV
Thermal Resistance Junction-Case3°C/W
Thermal Resistance Junction-Ambient62.5°C/W
Storage Temperature Range-65 to 150°C
Operating Junction Temperature Range0 to 150 (L79xxC), 0 to 125 (L79xxAC)°C

Key Features

  • Fixed output voltage of -5V
  • Output current up to 1.5 A
  • Thermal overload protection
  • Short-circuit protection
  • Output SOA protection
  • Output voltage tolerance of 2% (AC version) or 4% (C version) at 25 °C
  • Internal current limiting and thermal shutdown
  • Can be used with external components for adjustable voltages and currents

Applications

The L7905CD2T-TR is particularly suited for applications requiring local on-card regulation and split power supplies. It can be used in various electronic systems, including:

  • Power supplies for electronic equipment
  • On-card voltage regulation
  • Split power supplies (e.g., ±15 V, ±12 V, ±8 V)
  • High current negative voltage regulators

Q & A

  1. What is the output voltage of the L7905CD2T-TR?
    The output voltage is -5V.
  2. What is the maximum output current of the L7905CD2T-TR?
    The maximum output current is up to 1.5 A.
  3. What type of package does the L7905CD2T-TR come in?
    The L7905CD2T-TR comes in a D2PAK package.
  4. Does the L7905CD2T-TR have thermal protection?
    Yes, it has thermal overload protection and thermal shutdown.
  5. Can the L7905CD2T-TR be used for adjustable voltages?
    Yes, it can be used with external components to obtain adjustable voltages and currents.
  6. What is the quiescent current of the L7905CD2T-TR?
    The quiescent current is 3 mA.
  7. What are the storage and operating temperature ranges for the L7905CD2T-TR?
    The storage temperature range is -65 to 150 °C, and the operating junction temperature range is 0 to 150 °C for L79xxC and 0 to 125 °C for L79xxAC.
  8. Does the L7905CD2T-TR have short-circuit protection?
    Yes, it has short-circuit protection.
  9. What is the dropout voltage of the L7905CD2T-TR?
    The dropout voltage is 1.4 V.
  10. Can the L7905CD2T-TR be used in high current applications?
    Yes, it can be used in high current applications, such as high current negative voltage regulators.

Product Attributes

Output Configuration:Negative
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):-35V
Voltage - Output (Min/Fixed):-5V
Voltage - Output (Max):- 
Voltage Dropout (Max):1.4V @ 1A (Typ)
Current - Output:1.5A
Current - Quiescent (Iq):3 mA
Current - Supply (Max):- 
PSRR:60dB (120Hz)
Control Features:- 
Protection Features:Over Temperature, Short Circuit
Operating Temperature:0°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:D2PAK
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Similar Products

Part Number L7905CD2T L7915CD2T L7905ACD2T
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Obsolete Obsolete Obsolete
Output Configuration Negative Negative Negative
Output Type Fixed Fixed Fixed
Number of Regulators 1 1 1
Voltage - Input (Max) -35V -35V -35V
Voltage - Output (Min/Fixed) -5V -15V -5V
Voltage - Output (Max) - - -
Voltage Dropout (Max) 1.4V @ 1A (Typ) 1.1V @ 1A (Typ) 1.4V @ 1A (Typ)
Current - Output 1.5A 1.5A 1.5A
Current - Quiescent (Iq) 3 mA 3 mA 3 mA
Current - Supply (Max) - - -
PSRR 60dB (120Hz) 60dB (120Hz) 60dB (120Hz)
Control Features - - -
Protection Features Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package D2PAK D2PAK D2PAK

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