參數(shù)資料
型號: EL7642AILTZ-T7
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: TFT-LCD DC/DC with Integrated Amplifiers
中文描述: 0.15 A SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, QCC32
封裝: 5 X 5 MM, ROHS COMPLIANT, MO-220, QFN-32
文件頁數(shù): 3/19頁
文件大?。?/td> 458K
代理商: EL7642AILTZ-T7
11
FN6270.0
May 15, 2006
The current through MOSFET is limited to 3A peak. This
restricts the maximum output current based on the following
equation:
Where
IL is peak to peak inductor ripple current, and is set
by:
where fS is the switching frequency.
FIGURE 18. THE BLOCK DIAGRAM OF THE BOOST CONTROLLER
IOMAX
ILMT
IL
2
--------
VIN
VO
---------
×
=
IL
VIN
L
---------
D
fS
-----
×
=
IREF
FBB
IFB
COMP
VOLTAGE
AMPLIFIER
LX
PGND
SHUTDOWN
& START-UP
CONTROL
GM
AMPLIFIER
SLOPE
COMPENSATION
BUFFER
PWM
LOGIC
CURRENT
AMPLIFIER
CLOCK
REFERENCE
GENERATOR
EL7640A, EL7641A, EL7642A
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EL7642ILTZ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 EL7642ILZ TFT-LCD DC -DC W/INTEGRTD AMP RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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