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NCP1410DMR2 参数 Datasheet PDF下载

NCP1410DMR2图片预览
型号: NCP1410DMR2
PDF下载: 下载PDF文件 查看货源
内容描述: 250毫安同步,矩形PFM升压型DC -DC转换器,具有低电池电压检测器 [250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector]
分类和应用: 转换器电池
文件页数/大小: 16 页 / 129 K
品牌: ONSEMI [ ON SEMICONDUCTOR ]
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NCP1410
250 mA Sync-Rect PFM
Step-Up DC-DC Converter
with Low-Battery Detector
NCP1410 is a monolithic micropower high frequency Boost
(step–up) voltage switching converter IC specially designed for
battery operated hand–held electronic products up to 250 mA loading.
It integrates Synchronous Rectifier for improving efficiency as well as
eliminating the external Schottky Diode. High switching frequency
(up to 600 kHz) allows low profile inductor and output capacitor being
used. Low–Battery Detector, Logic–Controlled Shutdown and
Cycle–by–Cycle Current Limit provide value–added features for
various battery–operated applications. With all these functions ON,
the device quiescent supply current is only 9.0
µA
typical. This device
is available in space saving compact Micro8 package.
Features
http://onsemi.com
MARKING
DIAGRAM
8
Micro8
DM SUFFIX
CASE 846A
1
1
A1
AYW
8
High Efficiency up to 92%
Very Low Device Quiescent Supply Current of 9.0
mA
Typical
Allows use of Small Size Inductor and Capacitor
Built–in Synchronous Rectifier (PFET) Eliminates One External
Schottky Diode
High Switching Frequency (up to 600 kHz) Allows Use of Small
Size Inductor and Capacitor
High Accuracy Reference Output, 1.19 V
±
0.6% @ 25°C, can
supply more than 2.5 mA when V
OUT
3.3 V
1.0 V Startup at No Load Guaranteed
Output Voltage from 1.5 V to 5.5 V Adjustable
Output Current up to 250 mA @ V
in
= 2.5 V, V
out
= 3.3 V
Logic–Controlled Shutdown
Open Drain Low–Battery Detector Output
1.0 A Cycle–by–Cycle Current Limit
Low Profile and Minimum External Parts
Compact Micro8 Package
Personal Digital Assistant (PDA)
Handheld Digital Audio Product
Camcorders and Digital Still Camera
Hand–held Instrument
Conversion from One or Two NiMH or NiCd, or One Li–ion Cell to
3.3 V/5.0 V
A1 = Device Marking
A = Assembly Location
Y = Year
W = Work Week
PIN CONNECTIONS
FB 1
LBI 2
LBO 3
REF 4
(Top View)
8 OUT
7 LX
6 GND
5 SHDN
ORDERING INFORMATION
Device
NCP1410DMR2
Package
Micro8
Shipping
4000 Tape & Reel
Typical Applications
©
Semiconductor Components Industries, LLC, 2001
1
December, 2001 – Rev. 2
Publication Order Number:
NCP1410/D