- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361590 > UPS601 (友順科技股份有限公司) HIGH PERFORMANCE CURRENT MODE POWER SWITCH PDF資料下載
參數(shù)資料
| 型號(hào)： | UPS601 |
| 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(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 268K |
| 代理商： | UPS601 |
UPS601
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R119-003,A
7 of 12
FUNCT IONAL DES CRIPT ION(Cont.)
(2) Switch Frequency Set
The maximum switch frequency decided by an external resistor R
T
connected between pin R
T
and ground. Then
the maximum switch frequency will depend on user requirement. The relation curve between f
SW
and R
T
as followed
FIG.5 under the condition of P
OUT
/P
OUTmax
=50%. The equation between f
SW
and R
T
as followed (1-2):
f
SW
= -0.61*R
T
+115.7--------------------------(1-2)
After R
T
connected, switch frequency is also modulated by output power P
OUT
during IC operating. So lower switch
frequency at lower load, which more and more improve IC’s efficiency at light load. Switch frequency is decreased
minimum at no load, then the UPS601 will operate at Power-Saving mode for Lower standby power. The relation
curve between f
SW
and P
OUT
/P
OUTmax
as followed FIG.4 under the condition of R
T
=75k
.
90
60
10
70
80
50
40
30
20
1% 2% 3%
6%
8%
0
9% 10%
P
OUT
/P
OUTmax
(R
T
=75K
)
f
220V
110V
5%
4%
7%
FIG.4 The relation curve between f
SW
and output power P
OUT
f
60
20
10
55
60
65
70
75
80
85
90
RT (k
)
(P
OUT
/P
OUTmax
=50%)
70
80
50
40
30
95
90
100
FIG.5 The relation curve between f
SW
and R
T
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPS601-D08-T | HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS601L-D08-T | HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS602 | HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS602-D08-T | HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS602L-D08-T | HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPS601_11 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS601-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS601G-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS601L-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
| UPS602 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE POWER SWITCH |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。