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