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IRU431ALCS Datasheet

  • IRU431ALCS

  • VOLT REGULATOR|ADJUSTABLE|+1.24 TO +15V|BIPOLAR|SOP|8PIN|PLA...

  • 6頁

  • ETC

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Data Sheet No. PD94118
IRU431L / IRU431AL
LOW -VOLTAGE ADJUSTABLE
PRECISION SHUNT REGULATOR
DESCRIPTION
The IRU431L is a three-terminal adjustable shunt regu-
lator that can also be used as a precision voltage refer-
ence. Its output voltage may be set to any value be-
tween Vref(1.24V) and 15V with two external resistors
as shown in the typical application circuit. Other appli-
cations of this device include being used as a merged
amplifier and reference in applications such as a linear
regulator or as the secondary side controller in low volt-
age power supply applications. The IRU431L only re-
quires 80碌A(chǔ) maximum quiescent current before regu-
lating, making it ideal as a voltage reference for battery
type applications.
FEATURES
SOT-23 and SOIC Packages
0.5% Voltage Reference Initial Accuracy
(IRU431AL)
Low Operating Cathode Current
(80碌A(chǔ) max)
Unconditionally Stable with only 1碌F
Adjustable Output from 1.24V to 15V
0.25鈩?Typical Output Impedance
Pin to Pin Compatible with TLV431
APPLICATIONS
Precision Voltage Reference
Linear Regulator Controller
Secondary Side Controller for the Low Voltage
Power Supply Applications
TYPICAL APPLICATION
V
IN
R
B
R1
V
OUT
IRU431L
R2
Vo = Vref
脳
o
1 +
R1
p
R2
Co
Figure 1 - Typical application of the IRU431L as a shunt regulator / voltage reference.
PACKAGE ORDER INFORMATION
Ta (擄C)
0 To 70
0 To 70
5-PIN
SOT-23 (L5)
IRU431LCL5
IRU431ALCL5
PKG
MARK
431L
431A
3-PIN
SOT-23 (L3)
IRU431LCL3
IRU431ALCL3
PKG
MARK
431L
431A
8-PIN PLASTIC
SOIC (S)
IRU431LCS
IRU431ALCS
Rev. 1.5
07/13/01
1

IRU431ALCS 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 停產(chǎn)

  • -

  • 管件

  • 停產(chǎn)

  • 分流器

  • 可調(diào)式

  • 1.24V

  • 15 V

  • 10 mA

  • ±0.5%

  • -

  • -

  • -

  • -

  • -

  • 80 μA

  • 0°C ~ 70°C（TA）

  • 表面貼裝型

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

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