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参数资料
| 型号： | FAN5362UC33X |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 3.3V 0.5A 6UMLP |
| 标准包装： | 3,000 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 3MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-UDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 6-UMLP（2x2） |
July 2012
FAN5362
3MHz, 500mA / 750mA Synchronous Buck Regulator
Features
Description
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3MHz Fixed-Frequency Operation
45μA 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 V IN 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
The FAN5362 is a 500mA or 750mA, 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 1μH for the output inductor and 4.7μF 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 45μA. Even with such a low
quiescent current, the part exhibits excellent transient
response during large load swings. At higher loads, the
Applications
system automatically switches to fixed-frequency control,
operating at 3MHz. In shutdown mode, the supply current
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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
drops below 1μA, 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).
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Gaming Devices, Digital Cameras DC/DC Micro Modules
MODE
A1
A2
VIN
L1
1 μ H
SW
FB
B1
C1
B2
C2
EN
GND
C IN
2.2 F
F
C OUT
Figure 1. Typical Application
Trademarks are the property of their respective owners.
? 2009 Fairchild Semiconductor Corporation
FAN5362 ? Rev. 1.0.5
www.fairchildsemi.com
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| FAN5362UMP29X | 功能描述:直流/直流开关调节器 3MHz, 500mA/750mA Sync Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| FAN5362UMP33X | 功能描述:直流/直流开关调节器 3MHz, 500mA/750mA Sync Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| FAN5365 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:1A / 0.8A, 6MHz Digitally Programmable Regulator |
| FAN5365UC00X | 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 |
| 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 |
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