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参数资料
| 型号： | FAN5362UMP33X |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.15 A SWITCHING REGULATOR, 3300 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 2 MM, MO-229VCCC, UMLP-6 |
| 文件页数： | 1/14页 |
| 文件大小： | 1165K |
| 代理商： | FAN5362UMP33X |
May 2011
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5362 Rev. 1.0.2
FAN5362
—
3MHz,
5
0
0mA
/
750mA
Synchronous
Buck
Regul
ator
FAN5362
3MHz, 500mA / 750mA Synchronous Buck Regulator
Features
3MHz Fixed-Frequency Operation
45A Typical Quiescent Current
1.80 to 3.6V Fixed Output Voltage
500mA or 750mA Output Current Capability
2.7V to 5.5V Input Voltage Range
Smooth Transitions to/from 100% Duty Cycle
when VIN Drops
PFM Mode for High Efficiency in Light Load
Best-in-Class Load Transient Response
Best-in-Class Efficiency
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 or 6-Lead 2 x 2mm
Ultrathin Molded Leadless Package
Applications
SD Flash Memory Power Supply
RF Transceiver Power
Cell Phones, Smart Phones
Tablets, Netbooks, Ultra-Mobile PCs
3G, LTE, WiMAX, WiBro, and WiFi Data Cards
Gaming Devices, Digital Cameras DC/DC Micro Modules
Description
The FAN5362 is a 500mA or 705mA, step-down, switching
voltage regulator that delivers a fixed output voltage from
an input voltage supply of 2.7V to 5.5V. Using a proprietary
architecture with synchronous rectification, the FAN5362 is
capable of delivering a peak efficiency of 96%, while
maintaining efficiency over 90% with load currents as
low as 1mA.
This regulator transitions seamlessly into and out of 100%
duty cycle operation when the supply dips to or below the
regulation setpoint and smoothly recovers full regulation
without overshoot when the supply recovers.
The regulator operates at a nominal fixed frequency of
3MHz, which reduces the value of the external components
to 1H 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 45A. 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 3MHz. 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 FAN5362 is available in 6-bump, 0.4mm pitch, Wafer-
Level Chip-Scale Package (WLCSP) and 6-Lead 2 x 2mm
Ultrathin Molded Leadless Package (UMLP).
SW
MODE
GND
EN
L1
CIN
2.2 F
1H
C2
B2
A2
C1
B1
A1
FB
F
COUT
VIN
Figure 1. Typical Application
Trademarks are the property of their respective owners.
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相关代理商/技术参数 |
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| FAN5365 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:1A / 0.8A, 6MHz Digitally Programmable Regulator |
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| FAN5365UC02X | 功能描述:直流/直流开关转换器 0.8A 6MHz Digitally Programmable Reg. RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| FAN5365UC03X | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:1A / 0.8A, 6MHz Digitally Programmable Regulator |
| FAN5400 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:FAN5400 / FAN5401 / FAN5402 / FAN5403 / FAN5404 / FAN5405 USB-Compliant Single-Cell Li-Ion Switching Charger |
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