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NCP1423DMR2 Datasheet

  • NCP1423DMR2

  • 400 mA Sync−Rect PFM Step−Up DC−DC Convert...

  • 13頁

  • ONSEMI

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NCP1423
400 mA Sync鈭扲ect PFM
Step鈭扷p DC鈭扗C Converter
with True鈭扖utoff and
Ring鈭扠iller
NCP1423 is a monolithic micropower high frequency step鈭抲p
switching converter IC specially designed for battery operated
hand鈭抙eld electronic products. 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. When the IC is disabled,
internal conduction path from LX or BAT to OUT is blocked, OUT pin
is isolated from the battery. This achieves True鈭扖utoff. Ring鈭扠iller is
also integrated to eliminate the high frequency ringing in discontinuous
conduction mode. Low鈭払attery Detector, Cycle鈭抌y鈭扖ycle Current
Limit, Overvoltage Protection and Thermal Shutdown provide
value鈭抋dded features for various battery operated application. With all
of these functions ON, the quiescent supply current is only 9.0
mA.
This
device is available in compact Micro10 package.
Features
http://onsemi.com
MARKING
DIAGRAM
Micro10
DM SUFFIX
CASE 846B
DAR
AYWG
G
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High Efficiency: 92% for 3.3 V Output@ 400 mA from 2.5 V Input
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87% for 1.8 V Output@ 70 mA from 1.2 V Input
High Switching Frequency, up to 600 kHz (not hitting current limit)
Low Quiescent Current of 9.0
mA
Low Battery Detector
0.8 V Startup
External Adjustable Output Voltage
鹵1.5%
Output Voltage Accuracy
Ring鈭扠iller for Discontinuous Conduction Mode
Thermal Shutdown
1.2 A Cycle鈭抌y鈭扖ycle Current Limit
Output Current up to 400 mA @ V
OUT
= 3.3 V,
200 mA @ V
OUT
= 1.8 V
Overvoltage Protection
Low Profile and Minimum External Part
Open Drain Low鈭払attery Detector Output
Compact Micro10 Package
Pb鈭扚ree Package is Available
Wireless Optical Mouse
Wireless Headsets
Internet Audio Players
Personal Digital Assistants (PDAs)
Hand鈭抙eld Instruments
Conversion from one/two NiMH or NiCd cells to 1.8 V / 3.3 V
DAR
= Device Code
A
= Assembly Location
Y
= Year
W
= Work Week
G
= Pb鈭扚ree Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
EN
REF
FB
GND
OUT
1
2
3
4
5
(Top View)
Micro10
10 LBO
9
8
7
6
LBI
ADEN
LX
BAT
ORDERING INFORMATION
Device
NCP1423DMR2
NCP1423DMR2G
Package
Micro10
Micro10
(Pb鈭扚ree)
Shipping
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4000 Tape & Reel
4000 Tape & Reel
Typical Applications
鈥燜or information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
漏
Semiconductor Components Industries, LLC, 2006
1
October, 2006 鈭?Rev. 5
Publication Order Number:
NCP1423/D

NCP1423DMR2 產(chǎn)品屬性

  • 4,000

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 升壓（升壓）

  • 可調(diào)式

  • 1

  • 1.8 V ~ 3.3 V

  • 0.8 V ~ 3.3 V

  • -

  • 600kHz

  • 400mA

  • 是

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）

  • 帶卷 (TR)

  • 10-微型

NCP1423DMR2相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    Sub 1.0 V Precision Adjustable Shunt Regulator
    ONSEMI
  • 英文版
    Sub 1.0 V Precision Adjustable Shunt Regulator
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby-Power Offl...
    ON SEMICONDUCTOR
  • 英文版
    Integrated Off-Line Switching Regulator
    ONSEMI
  • 英文版
    Integrated Off-Line Switching Regulator
    ONSEMI [ON...
  • 英文版
    Integrated Off-Line Switching Regulator
    ONSEMI
  • 英文版
    Integrated Off-Line Switching Regulator
    ONSEMI [ON...
  • 英文版
    Integrated Off-Line Switching Regulator
    ONSEMI
  • 英文版
    Integrated Off-Line Switching Regulator
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON Semi...

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