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NCP1575D Datasheet

  • NCP1575D

  • Low Voltage Synchronous Buck Controller with Adjustable Swit...

  • 16頁

  • ONSEMI

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NCP1575
Low Voltage Synchronous
Buck Controller with
Adjustable Switching
Frequency
The NCP1575 is a low voltage buck controller. It provides the
control for a DC鈭扗C power solution producing an output voltage as
low as 0.980 V over a wide current range. It contains all required
circuitry for a synchronous NFET buck regulator using the V
2
t
control method to achieve the fastest possible transient response and
best overall regulation. The NCP1575 operates at a default switching
frequency of 200 kHz, but switching frequency is user鈭抪rogrammable
with an additional resistor between R
OSC
and ground. This device
provides undervoltage lockout protection, soft鈭抯tart, and built鈭抜n
adaptive nonoverlap and is assembled in an SOIC鈭? package.
The NCP1575鈭抌ased solution requires a bias supply of 12 V, and it
can convert from a bulk power supply ranging from 2 V to 12 V.
Conversion from bulk supplies greater than 7 V is best accomplished
by using an external doubler circuit to raise the enhancement voltage
for the external NFET switches.
Features
http://onsemi.com
MARKING
DIAGRAM
8
8
1
SOIC鈭?
D SUFFIX
CASE 751
1
1575
ALYW
A
L
Y
W
= Assembly Location
= Wafer Lot
= Year
= Work Week
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Pb鈭扚ree Packages are Available
0.980 V
鹵1.0%
Reference Voltage
V
2
Control Topology
200 ns Transient Response
Programmable Soft鈭扴tart
40 ns Gate Rise and Fall Times (3.3 nF Load)
Adaptive FET Nonoverlap Time
Default 200 kHz Oscillator Frequency (No External
Resistor Required)
User鈭扨rogrammable Oscillator Frequency (One External
Resistor Required)
Undervoltage Lockout
On/Off Control Through Use of the COMP Pin
Overvoltage Protection through Synchronous MOSFETs
Synchronous N鈭扖hannel Buck Design
鈥?2 V Only鈥?or Dual Supply Operation
PIN CONNECTIONS
V
CC
R
OSC
NC
COMP
1
8
GND
V
FB
GATE(L)
GATE(H)
ORDERING INFORMATION
Device
NCP1575D
NCP1575DG
NCP1575DR2
NCP1575DR2G
Package
SOIC鈭?
SOIC鈭?
(Pb鈭扚ree)
SOIC鈭?
SOIC鈭?
(Pb鈭扚ree)
Shipping
鈥?/div>
98 Units/Rail
98 Units/Rail
2500 Tape & Reel
2500 Tape & Reel
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, 2004
1
November, 2004 鈭?Rev. 6
Publication Order Number
NCP1575/D

NCP1575D 產(chǎn)品屬性

  • 98

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 切換控制器

  • -

  • 電流/電壓模式，V²?

  • 1

  • 320kHz

  • -

  • 9 V ~ 20 V

  • 是

  • 無

  • 無

  • 無

  • 無

  • 無

  • 無

  • 無

  • 0°C ~ 125°C

  • 8-SOIC（0.154"，3.90mm 寬）

  • 管件

NCP1575D相關(guān)型號PDF文件下載

  • 型號
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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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