Startseite Energiemanagement Linear- und Low-Dropout-Regler (LDO)
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Linear- und Low-Dropout-Regler (LDO)

LM140K

AKTIV

Linearregler/LDO mit festem Ausgang, 1 A

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Datenblatt

LM140K

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 35 Vin (min) (V) 17.6 Vout (max) (V) 15 Vout (min) (V) 5 Fixed output options (V) 5, 12, 15 Noise (µVrms) 40 Iq (typ) (mA) 7 Thermal resistance θJA (°C/W) 39 Rating Military Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 4 PSRR at 100 KHz (dB) 50 Dropout voltage (Vdo) (typ) (mV) 2500 Operating temperature range (°C) -55 to 125
Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 35 Vin (min) (V) 17.6 Vout (max) (V) 15 Vout (min) (V) 5 Fixed output options (V) 5, 12, 15 Noise (µVrms) 40 Iq (typ) (mA) 7 Thermal resistance θJA (°C/W) 39 Rating Military Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 4 PSRR at 100 KHz (dB) 50 Dropout voltage (Vdo) (typ) (mV) 2500 Operating temperature range (°C) -55 to 125
TO-CAN (NDS) 2 969.2166 mm² 38.94 x 24.89
  • Complete Specifications at 1A Load
  • Output Voltage Tolerances of ±4% at Tj = 25°C
  • Internal Thermal Overload Protection
  • Internal Short-circuit Current Limit
  • Output Transistor Safe Area Protection
  • P+ Product Enhancement Tested

All trademarks are the property of their respective owners.
  • Complete Specifications at 1A Load
  • Output Voltage Tolerances of ±4% at Tj = 25°C
  • Internal Thermal Overload Protection
  • Internal Short-circuit Current Limit
  • Output Transistor Safe Area Protection
  • P+ Product Enhancement Tested

All trademarks are the property of their respective owners.

The LM140K monolithic 3-terminal positive voltage regulator employs internal current-limiting, thermal shutdown and safe-area compensation, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents.

Considerable effort was expended to make the entire series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply.

The LM140K is available in 5V, 12V and 15V options in the steel TO-3 power package.

The LM140K monolithic 3-terminal positive voltage regulator employs internal current-limiting, thermal shutdown and safe-area compensation, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents.

Considerable effort was expended to make the entire series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply.

The LM140K is available in 5V, 12V and 15V options in the steel TO-3 power package.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM140K Series 3-Terminal Positive Regulators datasheet 11 Jul 2013

Design und Entwicklung

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