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TL431ILP

Adjustable precision shunt regulator

Produttore:

Texas Instruments, Inc
ProduttorePart #:

TL431ILP
Scheda dati:

TL431ILP Scheda dati (PDF)
VO (V):

2.495
Initial accuracy (max) (%):

0.5, 1, 2
VO adj (min) (V):

2.495
VO adj (max) (V):

36
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per TL431ILP

E-mail: [email protected]

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tel: +852 95804164

TL431ILP Descrizione generale

The TL431LI / TL432LI are pin-to-pin alternatives to TL431 / TL432. TL43xLI offers better stability, lower temperature drift (V_I(dev)), and lower reference current (I_ref) for improved system accuracy.

The TL431 and TL432 devices are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between V_ref (approximately 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 device has exactly the same functionality and electrical specifications as the TL431 device, but has different pinouts for the DBV, DBZ, and PK packages.

Both the TL431 and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift versus temperature ensures good stability over the entire temperature range.

The TL43xxC devices are characterized for operation from 0°C to 70°C, the TL43xxI devices are characterized for operation from –40°C to 85°C, and the TL43xxQ devices are characterized for operation from –40°C to 125°C.

Caratteristiche principali

Reference voltage tolerance at 25°C
- 0.5% (B grade)
- 1% (A grade)
- 2% (Standard grade)
Adjustable output voltage: V_ref to 36 V
Operation from −40°C to 125°C
Typical temperature drift (TL43xB)
- 6 mV (C temp)
- 14 mV (I temp, Q temp)
Low Output Noise
0.2-Ω Typical output impedance
Sink-current capability: 1 mA to 100 mA

Specifiche

VO (V)	2.495	Initial accuracy (max) (%)	0.5, 1, 2
VO adj (min) (V)	2.495	VO adj (max) (V)	36
Iz for regulation (min) (µA)	400	Reference voltage (V)	adjustable
Rating	Catalog	Temp coeff (max) (ppm/°C)	92
Operating temperature range (°C)	-40 to 125, -40 to 85, 0 to 70	Iout/Iz (max) (mA)	100
feature-reference-type	Adjustable	feature-topology	Shunt
feature-initial-accuracy	2%	feature-maximum-temperature-coefficient	92ppm/°C
feature-output-voltage-v	2.495 to 36	feature-maximum-input-voltage-v	37
feature-maximum-output-current-ma	100	feature-packaging	Bulk
feature-rad-hard		feature-pin-count	3
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	Yes	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No

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