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| 型号： | FAN5665UCX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SWITCHD CAP 5V 8WLCSP |
| 标准包装： | 1 |
| 类型： | 升压（升压），切换电容（充电泵） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 2.9 V ~ 5.5 V |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 30mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WLCSP |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-WLCSP |
| 产品目录页面： | 1215 (CN2011-ZH PDF) |
| 其它名称： | FAN5665UCXDKR |
February 2008
FAN5665
High-Efficiency, Adaptive Charge Pump 5V Boost
Features
5V Fixed Output Voltage
30mA Maximum Output Current
Built-in Charge Pump with Three Modes of
Operation: 1×, 1.5×, and 2×
Minimum External Components
Flying Capacitors Only 0.22μF
Low-noise, Constant-frequency Operation (1.2MHz)
at Heavy Loads
High-efficiency, Low-frequency Operation at Light
Loads
Low Quiescent Current
Description
The FAN5665 is a 5V switched capacitor step-up
DC/DC converter with an input voltage range from 2.9V
to 5.5V. Switch reconfiguration and fractional switching
techniques are utilized to achieve high efficiency over
the entire input voltage range.
The FAN5665 includes built-in under-voltage lockout,
short circuit, and thermal protection circuitry.
The FAN5665 is available in an 8-bump 0.4mm pitch
WLCSP package.
Up to 92% Efficiency
2.9V to 5.5V Input Voltage Range
C1
0.22μF
C1-
GND
EN
+2.9 to 5.5V
Soft-start for Limiting Inrush Current
C1+
VIN
Input Under-Voltage Lockout Protection (UVLO)
Short-Circuit Protection (SCP)
+5V
VOUT
C2+
C2-
C IN
2.2μF
Thermal Shutdown Protection (TSD)
8-bump 1.21 x 1.21mm, 0.4mm Pitch WLCSP
C OUT
2.2μF
C2
0.22μF
Applications
USB I/O Supply Regulators
Cell Phones, Smart-Phones
Pocket PCs
PDA, DSC, PMP, and MP3 Players
Ordering Information
Figure 1. Typical Application
Part Number
FAN5665UCX
Operating Temperature Range
-40°C to +85°C
Package
8-Lead Wafer-Level Chip-Scale
Package (WLCSP), 1.21x1.21mm
Packing Method
Tape and Reel
All packages are lead free per JEDEC: J-STD-020B standard.
? 2007 Fairchild Semiconductor Corporation
FAN5665 ? Rev. 1.0.1
www.fairchildsemi.com
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