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參數(shù)資料
| 型號： | UPS602L-D08-T |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| 中文描述： | 高性能電流模式電源開關(guān) |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 268K |
| 代理商： | UPS602L-D08-T |
UPS602
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R119-005,A
8 of 12
FUNCT IONAL DES CRIPT ION(Cont.)
(3) Protection section
UPS602 takes on more protection functions such as OLP, OVP and OTP etc. In case of those failure modes for
continual 7.2μs (blanking time), the driver is shut down. At the same time, IC enters auto-restart, V
CC
power on and
driver is reset after V
CC
power on again.
OLP
After soft-start phase end (V
SS
>5.1V), IC will shutdown driver if over load state occurs (corresponding to
V
FB
>4.6V) for continual 7.2μs. OLP function will not inactive during soft-start phase. OLP case
as followed FIG. 6.
The test circuit as followed FIG.8 for UPS602.
V
CC
V
OUT
V
FB
V
SS
5.1V
t
t
t
t
4.6V
8.1V
12.6V
7.2
μ
s Blanking
7.2
μ
s Blanking
SS Phase
V
CC
16V
Driver
ON/OFF
V
FB
V
SS
t
t
t
t
5.1V
3.9V
4.6V
8.1V
12.6V
7.2
μ
s Blanking
7.2
μ
s Blanking
SS Phase
T
restart
OVP Phase
FIG.6 OLP case FIG.7 OVP case
OVP
Power supply V
CC
’s OVP function are enabled only when V
SS
<3.9 & V
FB
>4.6V during soft-start phase. During
above condition, driver will be shutdown if over voltage state occurs (V
CC
>16V) for continual 7.2μs. OVP function will
not inactive after soft-start phase. OLP case as followed FIG.7. The test circuit as followed FIG.9 for UPS602.
OTP
OTP will shut down driver when junction temperature T
J
of internal circuits is more than threshold 135°C for
continual 7.2μs.
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相關(guān)代理商/技術(shù)參數(shù) |
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| UPS603 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS604 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS604G-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS604L-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS611 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
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