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NCP1512/D Datasheet

  • NCP1512/D

  • PWM Buck Converter with a Very Low Iq During Low Load Condit...

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NCP1512
Advance Information
PWM Buck Converter with a
Very Low Iq During Low
Load Conditions
The NCP1512 is a tri-mode regulator that operates either as a
Synchronized PWM Buck Converter, PWM Buck Converter with
internal oscillator or as a Pulsed Switching Regulator. If a
synchronization signal is present, the NCP1512 operates as a current
mode PWM converter with synchronous rectification. The optional
external frequency input signal allows the user to control the location
of the spurious frequency noise generated by a PWM converter. The
Pulsed Switching Regulator mode is active when the Sync Pin is
Low. The Pulsed Mode is an extremely low quiescent current Buck
Converter. NCP1512 operates in a PWM mode with an internal
oscillator when the Sync Pin is held high. The NCP1512
configuration allows the flexibility of efficient high power operation
and low input current during system sleep modes.
Features
http://onsemi.com
MARKING
DIAGRAM
9 PIN
MICRO BUMP
FC SUFFIX
CASE 499E
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XX = Device Code
YY = Year
WW = Work Week
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Synchronous Rectification for Higher Efficiency in PWM Mode
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Pulsed Switching Mode Operation for Low Current Consumption at
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Low Loads
Integrated MOSFETs and Feedback Circuits
Cycle -by-Cycle Current Limit
Automatic Switching Between PWM, with External or Internal
Oscillator, and Pulsed Mode
Operating Frequency Range of 450 to 1000 kHz
Internal 1.0 MHz Oscillator
Thermal Limit Protection
Built -in Slope Compensation for Current Mode PWM Converter
2.5, 2.85, 3.0, 3.3 Fixed Output Voltages
Shutdown Current Consumption of 0.2
mA
Pb Free Package for Green Manufacturing
Cellular Phones and Pagers
PDA
Digital Cameras
Supplies for DSP Cores
Portable Applications
A1
PIN CONNECTIONS
Pin: A1. - GNDP
A2. - LX
A3. - VCC
B1. - SYNC
B2. - GNDA
B3. - FB
C1. - SHD
C2. - CB1
C3. - CB0
B1
C1
A2
B2
C2
A3
B3
C3
(Bottom View)
ORDERING INFORMATION
Device
NCP1512FCT1G
Package
9 Pin Pb Free
Micro Bump
Shipping
TBD
Applications
This document contains information on a new product. Specifications and information
herein are subject to change without notice.
漏
Semiconductor Components Industries, LLC, 2003
1
June, 2003 - Rev. 0
Publication Order Number:
NCP1512/D

NCP1512/D相關(guān)型號PDF文件下載

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    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
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    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
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    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
    ONSEMI [ON...
  • 英文版
    Self-Supplied Monolithic Switcher for Low Standby- Power Off...
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  • 英文版
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    ONSEMI [ON...
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    ONSEMI [ON Semi...

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