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NCP1589B Datasheet دیتاشیت PDF دانلود

دیتاشیت - ON Semiconductor - Low Voltage Synchronous Buck Controller

شماره قطعه NCP1589B
شرح مفصل Low Voltage Synchronous Buck Controller
تولید کننده ON Semiconductor 
آرم ON Semiconductor 


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NCP1589B شرح
NCP1589A, NCP1589B
Low Voltage Synchronous
Buck Controller
The NCP1589A/B is a low cost PWM controller designed to operate
from a 5 V or 12 V supply. This device is capable of producing an
output voltage as low as 0.8 V. This device is capable of converting
voltage from as low as 2.5 V. This 10−pin device provides an optimal
level of integration to reduce size and cost of the power supply.
Features include a 1.5 A gate driver design and an internally set
300 kHz or 600 kHz oscillator. In addition to the 1.5 A gate drive
capability, other efficiency enhancing features of the gate driver
include adaptive non−overlap circuitry. The NCP1589A/B also
incorporates an externally compensated error amplifier. Protection
features include programmable short circuit protection and
undervoltage lockout (UVLO).
Features
VCC Range from 4.5 V to 13.2 V
300 kHz and 600 kHz Internal Oscillator
Boost Pin Operates to 30 V
Voltage Mode PWM Control
Precision 0.8 V Internal Reference
Adjustable Output Voltage
Internal 1.5 A Gate Drivers
80% Max Duty Cycle
Input Under Voltage Lockout
Programmable Current Limit
This is a Pb−Free Device
Applications
Graphics Cards
Desktop Computers
Servers / Networking
DSP & FPGA Power Supply
DC−DC Regulator Modules
www.onsemi.com
MARKING DIAGRAM
DFN10
CASE 485C
1589x
ALYWG
G
1589x
A
L
Y
W
G
= Specific Device Code
x = A or B
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Device
(Note: Microdot may be in either location)
PIN CONNECTIONS
BOOT
LX
UG
LG
GND
1
2
3
4
5
10 PGOOD
9 VOS
8 FB
7 COMP/EN
6 VCC
(Top View)
ORDERING INFORMATION
Device
Package Shipping
NCP1589AMNTWG
NCP1589BMNTWG DFN10
NCP1589AMNTXG (Pb−Free)
3000 /
Tape & Reel
NCP1589BMNTXG
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2015
December, 2015 − Rev. 1
1
Publication Order Number:
NCP1589A/D

قانون اساسیصفحه 10
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