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參數資料
型號: CS5212GD14
廠商: ON SEMICONDUCTOR
元件分類: 穩壓器
英文描述: Low Voltage Synchronous Buck Controller
中文描述: 1.5 A SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO14
封裝: SOIC-14
文件頁數: 1/16頁
文件大小: 101K
代理商: CS5212GD14
Semiconductor Components Industries, LLC, 2002
May, 2002 – Rev. 2
1
Publication Order Number:
CS5212/D
CS5212
Low Voltage Synchronous
Buck Controller
The CS5212 is a low voltage synchronous buck controller. It
contains all required circuitry for a synchronous buck converter using
external N–Channel MOSFETs. High current internal gate drivers are
capable of driving high gate capacitance of low R
DS(on)
NFETs for
better efficiency. The V
2
control architecture is used to achieve
unmatched transient response, the best overall regulation and the
simplest loop compensation.
Additionally, the CS5212 provides overcurrent protection,
undervoltage lockout, soft start, built–in adaptive non–overlap, and an
adjustable fixed frequency range of 150 kHz to 750 kHz, which gives
the designer more flexibility to make efficiency and component size
trade offs. The CS5212 will also operate over a 3.1 V to 7.0 V range
using either single or dual input voltage.
Features
Switching Regulator Controller
N–Channel Synchronous Buck Design
V
2
Control Topology
200 ns Transient Response
Programmable Fixed Frequency of 150 kHz–750 kHz
1.0 V 1.5% Internal Reference
Lossless Inductor Sensing Overcurrent Protection
Hiccup Mode Short Circuit Protection
Programmable Soft Start
40 ns GATE Rise and Fall Times (3.3 nF Load)
70 ns Adaptive FET Nonoverlap Time
Differential Remote Sense Capability
Available in Industrial and Commerical Temperature Grades
System Power Management
3.3 V Operation
Undervoltage Lockout
On/Off Control Through Use of the COMP Pin
MARKING
DIAGRAM
x
A
WL, L
YY, Y
WW, W
= E or G
= Assembly Location
= Wafer Lot
= Year
= Work Week
1
GATE(L)
V
C
PGND
SGND
V
FB
GATE(H)
IS+
IS–
V
CC
R
OSC
PIN CONNECTIONS
BST
LGND
V
FFB
COMP
SOIC–14
D SUFFIX
CASE 751A
1
14
CS5212x
AWLYWW
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
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相關代理商/技術參數
參數描述
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