參數(shù)資料
型號(hào)： TEA1506
廠商： NXP Semiconductors N.V.
英文描述： GreenChip SMPS control IC
中文描述： 綠色芯片開關(guān)電源控制IC
文件頁(yè)數(shù)： 10/22頁(yè)
文件大?。?/td> 122K
代理商： TEA1506
2003 Sep 09
10
Philips Semiconductors
Product specification
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, t
leb
. 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 I
sense
. 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 V
swp
, the
converter will stop switching. Once V
CC
drops below the
UVLO level, capacitor C
VCC
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 V
start
level is reached, switching starts again.
This process is repeated as long as the OTP condition
exists.
I
DEM
V
DEM
R
N
-----R
V
DEM
×
≈
≈
N
N
p
-N
=
handbook, halfpage
0.52 V
(typ)
0.3 V
(typ)
IDEM
Vsense(max)
24
μ
A
(typ)
100
μ
A
(typ)
Fig.10 OPP correction curve.
相關(guān)PDF資料
PDF描述
TEA1506AP GreenChip SMPS control IC
TEA1506AT GreenChip SMPS control IC
TEA1506P GreenChip SMPS control IC
TEA1506T GreenChip SMPS control IC
TEA152X STARplug
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(zhuǎn)換器，離線開關(guān) 系列:GreenChip™ II 標(biāo)準(zhǔn)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(yīng)商設(shè)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
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
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