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參數(shù)資料
| 型號： | FAN5361UMP18X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, DSO6 |
| 封裝： | 2 X 2 MM, ROHS COMPLIANT, MO-229VCCC, UMLP-6 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 1565K |
| 代理商： | FAN5361UMP18X |
September 2008
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5361 Rev. 1.0.0
FAN5361
—
6MHz,
60
0mA
TinyBu
ck
Syn
c
hronous
Buck
Regu
lator
FAN5361
6MHz, 600mA TinyBuck Synchronous Buck Regulator
Features
6MHz Fixed-Frequency Operation
35A Typical Quiescent Current
Best-in-Class Load Transient
600mA Output Current Capability
2.3V to 5.5V Input Voltage Range
1.0 to 1.82V Fixed Output Voltage
Low Ripple Light-Load PFM Mode
Forced PWM and External Clock Synchronization
Internal Soft-Start
Input Under-Voltage Lockout (UVLO)
Thermal Shutdown and Overload Protection
6-bump WLCSP, 0.4mm Pitch
6-pin 2 x 2mm UMLP
Applications
Cell Phones
Portable Media Players
WLAN, 3G, and 4G Data Cards
Description
The FAN5361 is a 600mA, step-down, switching voltage
regulator that delivers a fixed output from an input voltage
supply of 2.3V to 5.5V. Using a proprietary architecture with
synchronous rectification, the FAN5361 is capable of
delivering a peak efficiency of 92%, while maintaining
efficiency over 80% at load currents as low as 1mA.
The regulator operates at a nominal fixed frequency of 6MHz,
which reduces the value of the external components to 470nH
for the output inductor and 4.7F for the output capacitor. The
PWM modulator can be synchronized to an external frequency
source.
At moderate and light loads, pulse frequency modulation is
used to operate the device in power-save mode with a typical
quiescent current of 35A. Even with such a low quiescent
current, the part exhibits excellent transient response during
large load swings. At higher loads, the system automatically
switches to fixed-frequency control, operating at 6MHz. In
shutdown mode, the supply current drops below 1A,
reducing power consumption. For applications that require
minimum ripple or fixed frequency, PFM mode can be
disabled using the MODE pin.
The FAN5361 is available in 6-bump, 0.4mm pitch, Wafer-
Level Chip-Scale Package (WLCSP) and a 6-lead 2 x 2mm
ultra-thin MLP package.
Typical Applications
SW
MODE
GND
EN
L1
CIN
2.2 F
470nH
C2
B2
A2
C1
B1
A1
FB
4.7 F
COUT
VIN
Figure 1. Typical Applications
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相關(guān)代理商/技術(shù)參數(shù) |
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| FAN5362 | 制造商:Fairchild 功能描述:3MHz, 500mA / 750mA Synchronous Buck Regulator |
| FAN5362UC21X | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3MHz, 500mA / 750mA Synchronous Buck Regulator |
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| FAN5362UC27X | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 3MHz, 500mA Sync Buck Regulator 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 |
| FAN5362UC29X | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 3MHz 500mA Sync. Buck Regulator 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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