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参数资料
| 型号： | NCP1523BFCT2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 8FLIPCHIP |
| 标准包装： | 3,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.9 V ~ 3.3 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 3MHz |
| 电流 - 输出： | 600mA |
| 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： | 8-WFBGA，FCBGA |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-覆晶 |
NCP1523
3 MHz, 600 mA,
High?Efficiency, Adjustable
Output Voltage Step?down
Converter
The NCP1523 step?down PWM DC?DC converter is optimized for
portable applications powered from 1?cell Li?ion or 3 cell
Alkaline/NiCd/NiMH batteries. The device is available in an
adjustable output voltage from 0.9 V to 3.3 V. It uses synchronous
http://onsemi.com
MARKING
DIAGRAM
rectification to increase efficiency and reduce external part count. The
device also has a built?in 3 MHz (nominal) oscillator which reduces
component size by allowing use of a small inductor and capacitors.
NCP1523 is available in automatic switching PWM/PFM
(NCP1523FCT2G) improving system efficiency and in PWM mode
A1
FLIP?CHIP?8
CASE 766AE
NCPxxxx G
AYWW
A1
C1
C2
D1 ? V OUT
only (NCP1523BFCT2G) offering a very efficient load transient
solution.
Additional features include integrated soft?start, cycle?by?cycle
current limiting and thermal shutdown protection. The NCP1523 is
available in a space saving, 8 pin chip scale package.
Features
? Sources up to 600 mA
? 3 MHz Switching Frequency
? Up to 93% Efficiency
? Synchronous rectification for higher efficiency
? Thermal limit protection
? Shutdown current consumption of 0.3 m A
? These are Pb?Free Devices
Special Features for NCP1523FCT2G
? Auto PFM/PWM mode solution
? High efficiency at light load
Special Features for NCP1523BFCT2G
? Load Transient Highly Efficient Solution
? Very small Output Voltage Ripple
? Adjustable Output Voltage from 0.9 V to 3.3 V
Typical Applications
? Cellular Phones, Smart Phones and PDAs
? Digital Still Cameras
? MP3 Players and Portable Audio Systems
? Wireless and DSL Modems
? Portable Equipment
NCPxxxx = Device Code
xxxx = 1523 or 523B
A = Assembly Location
Y = Year
WW = Work Week
G = Pb?Free Package
PIN CONNECTIONS
A1 A2
PIN: A1 ? GND
B1 B2 A2 ? V IN
B1 ? SW
B2 ? EN
C1 ? GND
C2 ? ADJ
D1 D2
D2 ? FB
Top View
(Bumps Below)
ORDERING INFORMATION
Device Package Shipping ?
NCP1523FCT2G FLIP?CHIP?8 3000 /
(NCP1523) (Pb?Free) Tape & Reel
NCP1523BFCT2G FLIP?CHIP?8 3000 /
(NCP1523B) (Pb?Free) Tape & Reel
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2007
February, 2007 ? Rev. 2
1
Publication Order Number:
NCP1523/D
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