TL432 datasheet(2/4 Pages) PJSEMI

tên linh kiện	TL432

Giải thích chi tiết về linh kiện	Programmable Precision Reference

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nhà sản xuất	PJSEMI [Dongguan Pingjingsemi Technology Co., Ltd,]

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Electrical Characteristics (Ta=25℃ unless otherwise specified)

Symbol

Parameter

Test Conditions

Min. Typ.

Max. Unit

VREF

Reference Input Voltage Fig 1

VKA=VREF, IKA=10mA

TL43

2C(0.5%) 1.234 1.24 1.246

TL43

2(1%)

1.228 1.24 1.252

∆VREF

Deviation of

Reference Input

Voltage Over

Temperature Fig 1

VKA=VREF,IKA=10mA

∆VREF

∆VKA

Ratio of Change in Reference Input Voltage to

the Change in Cathode Voltage Fig 2

IKA=10mA

∆

VKA=VREF~16V

-1.5 mV/V

IREF

Reference Input Current Fig 2

IKA=10mA, R1=10kΩ, R2=∞

0.15

0.4

µA

∆IREF

Deviation of Reference Input Current Over Full

Temperature Range Fig 2

IKA=10mA, R1=10kΩ,

R2=∞,

-20°C ≤TA≤+85°C

0.4

µA

IKA(MIN)

Minimum Cathode Current for Regulation Fig 1

VKA=VREF

µA

IKA(OFF)

Off-State Cathode Current Fig 3

VKA=

18V, VREF=0

0.0

0.5

ZKA

Dynamic Impedance

VKA=VREF, IKA=1~ 100mA,f≤1.0kHz

Ω

TL432

Programmable Precision Reference

µA

Vref

VKA

Input

Figure 1. Test Circuit for VKA = Vref

Iref

Vref

Figure 2. Test Circuit for VKA > Vref

Input

VKA

KA +

ref

) R1

) I

ref S

Ioff

Input

VKA

Figure 3. Test Circuit for Ioff

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Revision：

2.0 Jan-2020

0°C ≤TA≤70°C

-20°C ≤TA≤125°C

-40°C ≤TA≤125°C

-0.5

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