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參數(shù)資料
| 型號： | CS5212D |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Low Voltage Synchronous Buck Controller |
| 中文描述： | 低電壓同步降壓控制器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 101K |
| 代理商： | CS5212D |
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
相關PDF資料 |
PDF描述 |
|---|---|
| CS5212ED14 | Low Voltage Synchronous Buck Controller |
| CS5212EDR14 | Low Voltage Synchronous Buck Controller |
| CS5212GD14 | Low Voltage Synchronous Buck Controller |
| CS5212GDR14 | Low Voltage Synchronous Buck Controller |
| CS5233-3 | 500 mA and 1.5 A, 3.3 V Dual Input Linear Regulator with Auxiliary Control |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CS5212ED14 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:Low Voltage Synchronous Buck Controller |
| CS5212ED14G | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Voltage Synchronous Buck Controller |
| CS5212EDR14 | 功能描述:IC REG CTRLR BUCK PWM 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| CS5212EDR14G | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Voltage Synchronous Buck Controller |
| CS5212GD14 | 制造商:ON Semiconductor 功能描述:Low Voltage Synchronous Buck Controller |
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