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參數資料
| 型號： | NCP1417DMR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | 200 mA DC-DC Step-up Converter with Dual Low Battery Protection |
| 中文描述： | 1 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | MICRO-8 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 128K |
| 代理商： | NCP1417DMR2 |
Semiconductor Components Industries, LLC, 2002
April, 2002 – Rev. 1
1
Publication Order Number:
NCP1417/D
NCP1417
200 mA DC-DC Step-up
Converter with Dual Low
Battery Protection
NCP1417 is a monolithic micropower high frequency Boost
(step–up) voltage switching converter IC specially designed for
battery operated hand–held electronic products up to 200 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 use of a low profile inductor and output
capacitor. Dual Low–Battery Detectors and Cycle–by–Cycle Current
Limit provide value–added features for various battery–operated
applications. With all these functions ON, the quiescent supply current
is only 9.0 A typical. This device is available in a space saving
compact Micro8 package.
Features
High Efficiency, Up to 92%, Typical
Very Low Device Quiescent Supply Current of 9.0 A Typical
Built–in Synchronous Rectifier (P–FET) Eliminates One External
Schottky Diode
High Switching Frequency (Up to 600 kHz) Allows 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 200 mA @ V
in
= 2.5 V, V
out
= 3.3 V
Multi–Function LBI/Shutdown Control Pin
Dual Open Drain Low–Battery Detector Outputs
1.0 A Cycle by Cycle Current Limit
Low Profile and Minimum External Parts
Compact Micro8 Package
Applications
Personal Digital Assistants (PDA)
Handheld Digital Audio Product
Camcorders and Digital Still Camera
Handheld Instrument
Conversion from One or Two NiMH or NiCd or One Lithium–ion
Cells to 3.3 V/5.0 V
Device
Package
Shipping
ORDERING INFORMATION
NCP1417DMR2
Micro8
4000 Tape & Reel
Micro8
DM SUFFIX
CASE 846A
1
8
MARKING
DIAGRAM
1417
AYW
1
8
PIN CONNECTIONS
1417 = Device Marking
A
= Assembly Location
Y
= Year
W
= Work Week
8
7
6
5
1
2
3
4
FB
LBI/SHDN
LBO1
REF
OUT
LX
GND
LBO2
(Top View)
http://onsemi.com
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