參數(shù)資料
型號(hào)： FAN5353MPX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
中文描述： 5.5 A SWITCHING REGULATOR, 3300 kHz SWITCHING FREQ-MAX, PDSO12
封裝： 3 X 3.50 MM, GREEN, MO-229WFED-2, MLP-12
文件頁(yè)數(shù)： 1/13頁(yè)
文件大小： 977K
代理商： FAN5353MPX
September 2010
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5353 Rev. 1.0.2
FAN5353
—
3MHz,
3
A
Synchronous
Buc
kRegulator
FAN5353
3MHz, 3A Synchronous Buck Regulator
Features
3MHz Fixed-Frequency Operation
Best-in-Class Load Transient
3A Output Current Capability
2.7V to 5.5V Input Voltage Range
Adjustable Output Voltage: 0.8V to VIN0.9
Power Good Output
Internal Soft-Start
Input Under-Voltage Lockout (UVLO)
Thermal Shutdown and Overload Protection
12-lead 3x3.5mm MLP
Applications
Set-Top Box
Hard Disk Drive
Communications Cards
DSP Power
Description
The FAN5353 is a step-down switching voltage regulator that
delivers an adjustable output from an input voltage supply of
2.7V to 5.5V. Using a proprietary architecture with
synchronous rectification, the FAN5353 is capable of
delivering 3A at over 85% efficiency. The regulator operates
at a nominal fixed frequency of 3MHz, which reduces the
value of the external components to 470nH for the output
inductor and 10F for the output capacitor. Additional output
capacitance can be added without affecting stability if tighter
regulation during transients is required. The regulator
includes an open-drain power good (PGOOD) signal that
pulls low when the output is not in regulation.
In shutdown mode, the supply current drops below 1A,
reducing power consumption.
FAN5353 is available in a 12-lead 3x3.5mm MLP package.
PVIN
VCC
EN
VOUT
FB
R2
PGND
SW
C
OUT
L1
C
IN1
R1
AGND
PGOOD
C
VCC
R3
6
5
4
3
2
1
7
8
9
10
11
12
P1
(GND)
C
IN
Figure 1. Typical Application
Ordering Information
Part Number
Temp. Range
Package
Packing Method
FAN5353MPX
-40 to 85°C
MLP-12, 3x3.5mm
Tape and Reel
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FAN5354 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3MHz, 3A Synchronous Buck Regulator
FAN5354_11 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3MHz, 3A Synchronous Buck Regulator
FAN53540UCX 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 PT7 80V 3.9MOHM PQFN56 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
FAN53541UCX 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.4 MHz 5A TinyBuck Synchronous Buck Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
FAN5354MPX 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3MHz, 3a TinyBuck Sync Buck Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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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