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參數資料
| 型號： | TEA1501TD-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOT-176, 8 PIN |
| 文件頁數： | 22/22頁 |
| 文件大小： | 154K |
| 代理商： | TEA1501TD-T |
1998 Aug 19
9
Philips Semiconductors
Preliminary specication
Greeny; GreenChip
TEA1501
Supply current tracking
For obtaining good load regulation, especially with low
cost transformers, a tracking circuit is included. The
tracking circuit makes the supply current of Greeny a
function of the secondary load. This makes the voltage
drop across the series resistance of the auxiliary winding
proportional to the voltage drop across the series
resistance of the secondary winding. Therefore, the
secondary output voltage tracks with the Vaux regulation
voltage.
The tracking starts at a counter state of 28. For a counter
state from 28 up to 112 (typical values) the supply current
of Greeny rises linearly with the counter state according to
the following formula (see Fig.7).
For counter states of 112 and higher the supply current
remains on its maximum value.
I
Vaux
k
tracking
N
×
=
Fig.7 IVaux versus counter state.
handbook, halfpage
MGM825
IVaux
(mA)
IVaux(HIGH)
IVaux(LOW)
6.7
1.7
28
56
Ndata
counter state
112
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相關代理商/技術參數 |
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| TEA1504 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
| TEA1506 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
| TEA1506AP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
| TEA1506AP/N1,112 | 功能描述:IC CONTROLLER SMPS 8-DIP RoHS:是 類別:集成電路 (IC) >> PMIC - AC-DC 轉換器，離線開關 系列:GreenChip™ II 標準包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR |
| TEA1506AT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
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