L4973 datasheet(13/27 Pages) STMICROELECTRONICS

部件名	L4973

功能描述	3.5A step down switching regulator

PDF	27 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

13 / 27 page

L4973

Typical characteristics

13/27

Figure 13. Reference voltage vs.

input voltage (pin 16)

Figure 14. Reference voltage vs.

reference input current

Figure 15. Inhibit current vs. inhibit

voltage (pin 10)

Figure 16. Line regulation (see Figure 7)

Figure 17. Load regulation (see Figure 7) Figure 18. Line regulation (see Figure 8)

1020304050

VCC(V)

5.0

5.05

5.1

5.15

VREF

(V)

D97IN636A

Tj=25˚C

Pin 16

1020304050 IREF(mA)

4.9

5.0

5.1

5.2

VREF

(V)

D97IN638

Tj=25˚C

Vcc=10V

Vcc=40V

Vinh(V)

-50

100

Iinh

(

µA)

D97IN651

Tj=0˚C

Tj=25˚C

Tj=125˚C

Vcc=35V

Pin 10

1020304050

VCC(V)

5.06

5.08

5.1

5.12

(V)

D97IN639A

Tj=25˚C

Tj=125˚C

IO = 1A

0123

IO(A)

5.0

5.05

5.1

5.15

(V)

D97IN640

Tj=25˚C

Tj=125˚C

VCC = 35V

1020304050

VCC(V)

3.3

3.31

3.32

3.34

(V)

3.33

3.35

D97IN660A

Tj=25˚C

Tj=125˚C

IO = 1A

L4973 数据表(PDF) 13 Page - STMicroelectronics

L4973 数据表(HTML) 13 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

数据表下载

链接网址

L4973 数据表(PDF) 13 Page - STMicroelectronics

L4973 数据表(HTML) 13 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

数据表 下载

链接网址

数据表下载