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NCP1501/D Datasheet

  • NCP1501/D

  • NCP1501 Datasheet

  • 14頁

  • ETC

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NCP1501
Dual Mode PWM/Linear
Buck Converter
The NCP1501 is a dual mode regulator that operates either as a
PWM Buck Converter or as a Low Drop Out Linear Regulator. If a
synchronization signal is present, the NCP1501 operates as a current
mode PWM converter with synchronous rectification. The
synchronization signal allows the user to control the location of the
spurious frequency noise generated by a PWM converter. Linear mode
is active when a synchronization signal is not present. The NCP1501
configuration allows an efficient high power operation and low noise
during system sleep modes.
Features
http://onsemi.com
MARKING
DIAGRAM
8
8
1
Micro8E
(MSOP-8)
DM SUFFIX
CASE 846A
1
1501= Device Code
A
= Assembly Location
Y
= Year
W = Work Week
1501
AYW
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Synchronous Rectification for Higher Efficiency in PWM Mode
Linear Mode Operation for Low Noise Output at Low Loads
Integrated MOSFETs and Feedback Circuits
Cycle-by-Cycle Peak Current Limit of 800 mA (typ)
Automatic Switching Between PWM and Linear Mode
Operating Frequency Range of 500 to 1000 kHz
Optimized for Ceramic Capacitors and Low Profile Inductors
Thermal Limit Protection
Built-in Slope Compensation for Current Mode PWM Converter
Fixed Output Voltages of 1.05, 1.35, 1.57, 1.8
Shutdown Current Consumption of 0.2
mA
Internal Soft Start
Transistor Count: 3500
Cellular Phones
PDAs
Pagers
Supplies for DSP Cores
Portable Applications
PIN CONNECTIONS
SHD
SYN
V
O
LX
1
2
3
4
(Top View)
8
7
6
5
CB0
CB1
GND
V
in
Typical Applications
ORDERING INFORMATION
Device
NCP1501DMR2
Package
Micro8
Shipping
4000/Tape & Reel
1 SHD
2 SYN
3 V
O
V
out
10
m
L
10
mH
4 LX
CB0
CB1
GND
V
in
8
7
6
5
10
m
C
IN
V
bat
C
OUT
NCP1501
Figure 1. Typical Applications Circuit
漏
Semiconductor Components Industries, LLC, 2003
1
April, 2003 - Rev. 6
Publication Order Number:
NCP1501/D

NCP1501/D相關(guān)型號PDF文件下載

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  • 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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