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| 型号： | NCP1521BSNT1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.6A 5TSOP |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.9 V ~ 3.9 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.5MHz |
| 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： | 6-TSOP（0.059"，1.50mm 宽）5 引线 |
| 包装： | 标准包装 |
| 供应商设备封装： | 5-TSOP |
| 产品目录页面： | 1128 (CN2011-ZH PDF) |
| 其它名称： | NCP1521BSNT1GOSDKR |
NCP1521B
1.5 MHz, 600 mA Step-Down
DC-DC Converter
High ? Efficiency, Low Ripple, Adjustable
Output Voltage
The NCP1521B step ? down DC ? DC converter is a monolithic
integrated circuit optimized for portable applications powered from one
cell Li ? Ion or three cell Alkaline/NiCd/NiMH batteries. The part,
available in adjustable output voltage versions ranging from 0.9 V to
http://onsemi.com
MARKING
DIAGRAM
GALAYW G
G
3.9 V, is able to deliver up to 600 mA. It uses synchronous rectification
to increase efficiency and reduce external part count. The device also
has a built ? in 1.5 MHz (nominal) oscillator which reduces component
size by allowing smaller inductors and capacitors. Automatic switching
PWM/PFM mode offers improved system efficiency.
Additional features include integrated soft ? start, cycle ? by ? cycle
current limiting and thermal shutdown protection. The NCP1521B is
available in a space saving, low profile TSOP5 and UDFN6 packages.
5
1
5
TSOP ? 5
SN SUFFIX
CASE 483
1
GAL = Specific Device Code
A = Assembly Location
Y = Year
W = Work Week
Features
? Up to 96% Efficiency
? Best ? In ? Class Ripple, including PFM Mode
? Sources up to 600 mA
? 1.5 MHz Switching Frequency
? Adjustable Output Voltage from 0.9 V to 3.9 V
? Synchronous Rectification for Higher Efficiency
? 2.7 V to 5.5 V Input Voltage Range
? Low Quiescent Current
? Shutdown Current Consumption of 0.3 m A
? Thermal Limit Protection
? Short Circuit Protection
? All Pins are Fully ESD Protected
? This is a Pb ? Free Device
Typical Applications
? Cellular Phones, Smart Phones and PDAs
? Digital Still/Video Cameras
? MP3 Players and Portable Audio Systems
? Wireless and DSL Modems
? Portable Equipment
? USB Powered Devices
G = Pb ? Free Package
(Note: Microdot may be in either location)
UDFN6 1 6
MU SUFFIX 2 ZCM G 5
CASE 517AB 3 G 4
ZC = Specific Device Code
M = Date Code
G = Pb ? Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device Package Shipping ?
NCP1521BSNT1G TSOP ? 5 3000/Tape & Reel
(Pb ? Free)
NCP1521BMUTBG UDFN6 3000/Tape & Reel
(Pb ? Free)
NCP1521BMUTAG UDFN6 3000/Tape & Reel
(Pb ? Free)
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
VIN
CIN
OFF ON
1
2
3
VIN
GND
EN
LX
FB
5
4
L
COUT
VOUT
R1
Cff
OFF ON
1 EN FB
2 GND LX
3 VIN GND
6
5
4
R2
R1
VOUT
R2
Figure 1. Typical Application ? TSOP ? 5
? Semiconductor Components Industries, LLC, 2013
August, 2013 ? Rev. 6
1
VIN
Figure 2. Typical Application ? UDFN6
Publication Order Number:
NCP1521B/D
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| NCP1521UEVB | 功能描述:电源管理IC开发工具 ANA EVAL BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP1522AEVB | 功能描述:电源管理IC开发工具 ANA EVAL BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP1522ASNT1G | 功能描述:直流/直流开关转换器 ANA LED DRIVER 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 |
| NCP1522BMUTBG | 功能描述:直流/直流开关转换器 STEP DWN DCDC CNVRTR 3.0MHz 600mA 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 |
| NCP1522BSNT1G | 功能描述:直流/直流开关转换器 STEP DWN DCDC CNVRTR 3.0MHz 600mA 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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