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TL431LL Datasheet(PDF) 1 Page - Unisonic Technologies

Part # TL431LL
Description  LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL431LL Datasheet(HTML) 1 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
TL431LL
Preliminary
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 6
Copyright © 2013 Unisonic Technologies Co., Ltd
QW-R103-072.a
LOW CATHODE CURRENT
ADJUSTABLE PRECISION
SHUNT REGULATOR
DESCRIPTION
The UTC TL431LL is an adjustable shunt regulator with
three-terminal and thermal stable with full operation range. It
features include sharp turn-on characteristics, low output
impedance and low temperature coefficient, so Zener diode can
be replaced by UTC TL431LL in many applications, for example,
charger devices, switching power supply and other adjustable
regulators.
Any value between VREF (2.5V) and the corresponding
maximum cathode voltage (36V) can be set to by UTC TL431LL.
The UTC TL431LL is offered in two grade initial voltage
tolerance at 25°C, 0.5%, and 1%.
FEATURES
* High stability under capacitive load
* Programmable precise output voltage from 2.5V to 36V
* Sink current capacity from 50µA to 100mA
* Low minimum cathode current for regulation:
10µA (Typ.), 50µA (Max.)
* Low temperature deviation: 4.5mV typical
* Low output noise
* Wide operating range: -40°C~125°C
ORDERING INFORMATION
Ordering Number
Package
Pin Assignment
Packing
Lead Free
Halogen Free
1
2
3
TL431LLK-AE2-R
TL431LLG-AE2-R
SOT-23-3
K
R
A
Tape Reel
Note: Pin Code: K: Cathode
R: Reference
A: Anode
MARKING
4CLL
L: Lead Free
G: Halogen Free


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