參數(shù)資料
型號(hào)： TEA1506P
廠商： NXP SEMICONDUCTORS
元件分類： 電源管理
英文描述： GreenChip SMPS control IC
中文描述： 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(yè)數(shù)： 7/22頁(yè)
文件大小： 122K
代理商： TEA1506P
2003 Sep 09
7
Philips Semiconductors
Product specification
GreenChip
II SMPS control IC
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
Cycle skipping
At very low power levels, a cycle skipping mode will be
activated. A high control voltage will reduce the switching
frequency to a minimum of 25 kHz. If the voltage on the
control pin is raised even more, switch-on of the external
power MOSFET will be inhibited until the voltage on the
control pin has dropped to a lower value again (see Fig.8).
For system accuracy, it is not the absolute voltage on the
control pin that will trigger the cycle skipping mode, but a
signal derived from the internal VCO will be used.
Remark: If the no-load requirement of the system is such
that the output voltage can be regulated to its intended
level at a switching frequency of 25 kHz or above, the
cycle skipping mode will not be activated.
handbook, halfpage
Vsense(max) (V)
MGU509
f
25
175
175 kHz
VCO2
level
VCO1
level
Fig.7 VCO frequency as function of V
sense(max)
.
handbook, full pagewidth
MGU510
1.5 V
VCTRL
Isense
fosc
fmax
fmin
Vx (mV)
CTRL
current
comparator
cycle
skipping
X2
V
I
1
0
Vx
150 mV
OSCILLATOR
DRIVER
DRIVER
Vx (mV)
dV2
dV1
150
Fig.8 The cycle skipping circuitry.
The voltage levels dV
1
and dV
2
are fixed in the IC to 50 mV (typical) and 18 mV (typical) respectively.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
TEA1506PN 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
TEA1506T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC
TEA1506T/N1,118 功能描述:DC/DC 開關(guān)控制器 IC CTLR SMPS PS SW MODE 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
TEA1506T/N1,518 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 GRNCHIP2 SMPS CNTRLR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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