THX202H Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

THX202H

Switching Power Controller IC / DIP 8 PIN

Unspecified 

ᐯ⎿͔ڢᣖݥ஗ⓥ᜿͔ᰎ THX202H

2005/12/6

ਃ ࡼ ☝ ᗕ Ϲ ⌕ ˖ ᥹ⒸVCC ⊶ Ϲ ᆍ ੠ৃ᫇ Ϲ ⌕ ⑤ ˈ ᥹ ˈ݊ CT 330PF ᅗ ᓩ ࿞  ा ˈ

࿁ Փ ᤃVCC ሥ ᯊ˄े࿁ ᅠ ៤ ਃ THX202H ࡼ Ո˅᳔ ᇣ Ϲ ⌕ ⑤ Ϲ ⌕ DŽ

ਃ ࡼ Ϲ य़ ˖Ϟ Ẵ ᤃVCC ሥ Ո᳔ ໻ ؐDŽ VCC

ݡਃࡼϹय़˖Ϟ Ẵ ᤃVCC ሥ Ո᳔ ᇣ ؐDŽ VCC

ᤃ ሥ ఼ ݇⒱ Ϲय़˖Ϟ Ẵ ᤃVCC ሥ ϟ ┑⊓ ˈՓᤃ ሥ ذ఼ᤃ Ո ؐDŽ VCC

☝ ᗕ Ϲ ⌕ ˖ℷ ᐌ ⓺ ↉ ˈ ϵ Ϲ FB 1.8K ⓿ ᥹ഄ ˈ ϹVCC ⑤ Ϲ ⌕ DŽ

ℷ ᐌ ⓺ ↉ ˈ ˈ ໘ Ϟ ᢝ ϟ ᢝ Ϲ ⌕ DŽ ᤃ ሥ ఼ Ϟ ᢝ ϟ ᢝ Ϲ⌕ ˖ /

FB=2.5V,CT=1.25V CT

/

1

2

34 5

Ui

Vcc

9.8V

3.8V

4.4V

Icc

CT

FB

ẋ

Ϲ⌕

OB

OE

Uo

೒ ǃ ܼ ሔ ⊶ ᔶ ೒ 2 THX202H

Ϟ ᢝ Ϲ ⌕ ˖ℷ ᐌ ⓺ ↉ ˈ ᯊˈ ໘ Ϟ ᢝ Ϲ ⌕ DŽ FB

FB=2.5V,Ioc=0A FB

⓶Ϟ └ Ϲ ⌕ ˖ℷ ᐌ ⓺ ↉ ˈ ˈ ໘ ϟ ᢝ Ϲ ⌕ DŽ FB

FB=6V,Ioc=0.3A FB

ݙড ļ Ϲ ⑤ Ϲ य़ ˖᮴ ໪ ೈ ᕙ ᴎ ড ļ Ϲ Ჳ Ո Ϲ THX202H ⑤ ˈℷ ᐌ ⓺ ↉ ᯊ ؐDŽ VCC

ϞOC └ Ϲ ⌕ ˖ ˈ ໘ FB=6V FB ᳝ ϟ ᢝ Ϲ ⌕ Ո᳔ ᇣ ϹOC ⌕ DŽ

ᤃ ሥ ఼਼ ᳳ˖ᰃCT໪ ᥹Ϲ ᆍ ՈߑCT ᭄ ˈ൪ ࢖DŽ CT*48000

Ϲখ᭄

৪ো খ ᭄

Ics ਃࡼ᥹ ফ Ϲ⌕

ਃࡼ☝ ᗕ Ϲ⌕

ਃࡼϹय़

ᤃ ሥ ఼ ݇⒱ Ϲय़

ݡਃࡼϹय़

ݙড ļ Ϲ⑤ Ϲय़

Icc ☝ ᗕ Ϲ⌕

෎ ޚϹय़ VR VR

ᤃሥ఼਼ᳳ

ᤃ ሥ ఼ Ϟ ᢝ Ϲ⌕

ᤃ ሥ ఼ ϟ ᢝ Ϲ⌕

⌟᪙ᴵӊ

VCC=8V

CT*48000

CT=1.25V

CT=1.25V

ऩ ԡ Min TYP Max

1.6 2.0 2.4 mA

55 80 uA

8.6 8.8 9.0 V

4.4

V

3.8

V

9.6 9.8 10 V

2.6

mA

2.4 2.5 2.6 V

ס᭄ 0.9 1 1.1

50

uA

450

uA

ʳ ʳ ˀˆˀʳ

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