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LM7905CT/NOPB +BOM

1.5-A, negative linear voltage regulator

LM7905CT/NOPB General Description

The LM79XX series of 3-terminal regulators is available with fixed output voltages of −5V, −12V, and −15V. These devices need only one external component—a compensation capacitor at the output. The LM79XX series is packaged in the TO-220 power package and is capable of supplying 1.5A of output current.

These regulators employ internal current limiting safe area protection and thermal shutdown for protection against virtually all overload conditions.

Low ground pin current of the LM79XX series allows output voltage to be easily boosted above the preset value with a resistor divider. The low quiescent current drain of these devices with a specified maximum change with line and load ensures good regulation in the voltage boosted mode.

For applications requiring other voltages, see LM137 datasheet.

Texas Instruments, Inc Inventory

Key Features

  • Thermal, Short Circuit and Safe Area Protection
  • High Ripple Rejection
  • 1.5A Output Current
  • 4% Tolerance on Preset Output Voltage

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Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Output options Fixed Output Iout (max) (A) 1.5
Vin (max) (V) -7 Vin (min) (V) -30
Vout (max) (V) -5 Vout (min) (V) -15
Fixed output options (V) -15, -12, -5 Noise (µVrms) 40
Iq (typ) (mA) 2 Thermal resistance θJA (°C/W) 60
Rating Catalog Load capacitance (min) (µF) 0.1
Regulated outputs (#) 1 Accuracy (%) 5
Dropout voltage (Vdo) (typ) (mV) 1100 Operating temperature range (°C) 0 to 125
feature-type Standard feature-number-of-outputs 1
feature-polarity Negative feature-accuracy- ±4
feature-process-technology feature-output-type Fixed
feature-output-voltage-v -5 feature-maximum-output-current-a 1.5
feature-minimum-input-voltage-v feature-maximum-input-voltage-v -10
feature-maximum-dropout-voltage-current-v feature-line-regulation 50mV
feature-load-regulation 100mV feature-maximum-power-dissipation-mw
feature-packaging Tube feature-rad-hard No
feature-pin-count 3 feature-cecc-qualified No
feature-esd-protection Yes feature-escc-qualified
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-eccn-code EAR99
feature-svhc No feature-svhc-exceeds-threshold No

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Ratings and Reviews

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I
I**a 03/21/2022

Thank you very much came quickly

Reviews
12
J
J**b 01/29/2022

Looks at first sight after good Goods from

18
C
C**b 01/30/2021

The resistance is insufficient for LED turn signals

16
C
C**e 12/20/2020

Avaq never fails to provide top-notch quality electronic components. These K4A4G165WF-BCTD devices are no exception, working flawlessly in my project.

12

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