Datasheet Details
Part number
HT4900
Manufacturer
HOTCHIP
File Size
355.80 KB
Description
HT4900
Datasheet
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Full PDF Text Transcription (Reference)
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ὖ˖
HT4900
ࡼ⬉⑤ㅵ⧚ᮍḜ
HT4900 ᰃϔℒ៤њ⬉ܙㅵ⧚ഫǃLED ᣛഫछय़ᬒ⬉ㅵ⧚ഫˈᅠܼপҷⳂࠡᏖഎϞⱘ⬉ܙㅵ ⧚ IC+छय़ IC ᮍḜDŽ
㋏ࡳ∖˖
ܙǃᬒ⬉݅⫼ LED ♃ᣛˈ⬉ܙᯊ⚕ˈܙ⒵ᐌ҂˗ᬒ⬉ᯊᐌ҂ˈ⬉∴य़ᯊ⚕Ⳉࠄ݇ᴎDŽ ᗻ⬉ܙᓣˈݙ 500mA MOSFETˈᬃᣕᇍ 0V ⬉∴ˈ⬉ܙ⍧⌕/ᘦ⌕/ᘦय़ϝ↉ᓣ⬉ܙDŽ ⌕⬉⬉ܙӮ⏽छԢ छय़⬉Փ⫼ MOSFET. ᴎᦦܹࡼछय़ࡳ 4KV ESD Ẕ⌟ⷁֱᡸֵোˈ݇ߎˈਃᠡDŽ ㊒ᑺ⌕ֱᡸˈ⌕⚍ϡ⬉∴⬉य़ব࣪DŽ छय़᳝ਃࡼࡳ˗ࡼᳳ STB ݇ ⌕ǃⷁֱᡸᓊᯊ ᅮᓔ݇⥛ 500KHZ ⠛ᕙᴎࡳᇣѢ 5uAˈᭈᴎ㋏ᕙᴎࡳৃࠊ 20uA ҹϟ ⬉∴ܙǃᬒֱᡸ ߎ᳝ࡼ߿݇ᴎǃ⌕ֱᡸǃⷁֱᡸ
1
HT4900
:
ESOP8
1
GND
2
EXT
BOOST
3
LX
4
BTP
5
VDD
BOOST ଖੌ إۃᲞ
؆ຝԵऴੌ 5V
6
L1
ਐق
7
CE
8
FB
֒
֘
9
STB
ৱ֧
2
HT4900
⬉ᑨ⫼
9 STB 5 G2 G1 4 6 S2 S1 3 7 S2 S1 2 8 D2 D1 1
2 B1 B+
C5 0.1uF
R8 100R C2
USB_IN
VCC
1 2 3 4
DD+ GND
C1
5 VDD
BTP 4
6
U1 L1
LX 3
LED1
HT4900
7 CE
EXT 2
R11 1K
8 FB
GND 1
L1 4.
HT4900 Datasheet
