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參數(shù)資料
| 型號(hào)： | TEA1506AP/N1,112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8 |
| 封裝： | 0.300 INCH, MO-001, SC-504-8, SOT-97-1, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 122K |
| 代理商： | TEA1506AP/N1,112 |
2003 Sep 09
10
Philips Semiconductors
Product specication
GreenChip
II SMPS control IC
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
OverCurrent Protection (OCP)
The cycle-by-cycle peak drain current limit circuit uses the
external source resistor to measure the current accurately.
This allows optimum size determination of the transformer
core (cost issue). The circuit is activated after the leading
edge blanking time, tleb. The OCP circuit limits the ‘sense’
voltage to an internal level.
OverPower Protection (OPP)
During the primary stroke, the rectified mains input voltage
is measured by sensing the current drawn from pin DEM.
This current is dependent on the mains voltage, according
to the following formula:
where:
The current information is used to adjust the peak drain
current, which is measured via pin Isense. The internal
compensation is such that an almost mains independent
maximum output power can be realized.
The OPP curve is given in Fig.10.
Short winding protection
After the leading edge blanking time, the short winding
protection circuit is activated. If the ‘sense’ voltage
exceeds the short winding protection voltage Vswp, the
converter will stop switching. Once VCC drops below the
UVLO level, capacitor CVCC will be recharged and the
supply will restart again. This cycle will be repeated until
the short-circuit is removed (safe restart mode).
The short winding protection will also protect in case of a
secondary diode short-circuit.
OverTemperature Protection (OTP)
An accurate temperature protection is provided in the
circuit. When the junction temperature exceeds the
thermal shutdown temperature, the IC will enter the safe
restart mode.
When the Vstart level is reached, switching starts again.
This process is repeated as long as the OTP condition
exists.
I
DEM
V
aux
R
DEM
---------------
NV
mains
×
R
DEM
--------------------------
≈≈
N
aux
N
p
------------
=
handbook, halfpage
MGU236
0.52 V
(typ)
0.3 V
(typ)
IDEM
Vsense(max)
24 A
(typ)
100 A
(typ)
Fig.10 OPP correction curve.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA1506AT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
| TEA1506AT/N1,118 | 功能描述:DC/DC 開關(guān)控制器 IC SMPS CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TEA1506AT/N1,518 | 功能描述:DC/DC 開關(guān)控制器 TEA1506AT/SO14/REEL13DP//N1 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TEA1506P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
| TEA1506P/N1,112 | 功能描述:DC/DC 開關(guān)控制器 GREENCHIP 2 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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