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NCP1570DR2 Datasheet

  • NCP1570DR2

  • SMPS Controller

  • 106.51KB

  • 16頁

  • ETC

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NCP1570
Low Voltage Synchronous
Buck Controller
The NCP1570 is a low voltage buck controller. It provides the
control for a DC鈥揇C power solution producing an output voltage as
low as 0.985 V over a wide current range. The NCP1570鈥揵ased
solution is powered from 12 V with the output derived from a 5 V
supply. It contains all required circuitry for a synchronous NFET buck
regulator using the V
2
鈩?/div>
control method to achieve the fastest possible
transient response and best overall regulation. The NCP1570 operates
at a fixed internal 200 kHz frequency and is packaged in an SO鈥?.
The NCP1570 provides undervoltage lockout protection, Soft Start,
Power Good with delay, and built鈥搃n adaptive non鈥搊verlap.
Features
鈥?/div>
0.985 V
鹵
1.0% Reference
鈥?/div>
V
2
Control Topology
鈥?/div>
200 ns Transient Response
鈥?/div>
Programmable Soft Start
鈥?/div>
Power Good
鈥?/div>
Programmable Power Good Delay
鈥?/div>
40 ns Gate Rise and Fall Times (3.3 nF Load)
鈥?/div>
50 ns Adaptive FET Non鈥揙verlap Time
鈥?/div>
Fixed 200 kHz Oscillator Frequency
鈥?/div>
Undervoltage Lockout
鈥?/div>
On/Off Control Through Use of the COMP Pin
鈥?/div>
Overvoltage Protection through Synchronous MOSFETs
鈥?/div>
Synchronous N鈥揅hannel Buck Design
鈥?/div>
Dual Supply, 12 V Control, 5 V Power Source
http://onsemi.com
8
1
SO鈥?
D SUFFIX
CASE 751
PIN CONNECTIONS AND
MARKING DIAGRAM
V
CC
PWRGD
PGDELAY
COMP
A
WL, L
YY, Y
WW, W
1
1570
ALYW
8
GND
V
FB
GATE(L)
GATE(H)
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
Device
NCP1570D
NCP1570DR2
Package
SO鈥?
SO鈥?
Shipping
98 Units/Rail
2500 Tape & Reel
漏
Semiconductor Components Industries, LLC, 2002
1
February, 2002 鈥?Rev. 4
Publication Order Number
NCP1570/D

NCP1570DR2 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 停產(chǎn)

  • -

  • 卷帶（TR）

  • 停產(chǎn)

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • -

  • 表面貼裝型

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

NCP1570DR2相關(guān)型號PDF文件下載

  • 型號
    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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