TL431CLP 参数 Datasheet PDF下载

TL431A

Z

' =

∆

V

∆

I

R

1

=

Z

K A

(1+

R

2

)

Adjustable Precision Shunt Regulator

When the device is operated with two external resistors (see Figure 2), the total dynamic impedance of the circuit is given by:

TEST CIRCUITS

Fig.1. Test Circuit for V

KA

= V

REF

Fig.2. Test Circuit for V

KA

≥

V

REF

Fig.3. Test Circuit for I

off

PAD LAYOUT

2

(0,

0)

B T 431 P A D D IA G R A M

C h ip si

ze: 1345 x 990

P ad si :

ze

U ni

t

:

µ

m

3

4

1

Wing Shing Computer Components Co., (H.K.)Ltd.

Homepage:

http://www.wingshing.com

Tel:(852)2341 9276 Fax:(852)2797 8153

E-mail: wsccltd@hkstar.com

3