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參數(shù)資料
| 型號： | CS5422GDWFR24 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 116K |
| 代理商： | CS5422GDWFR24 |
Semiconductor Components Industries, LLC, 2001
May, 2001 – Rev. 9
1
Publication Order Number:
CS5421/D
CS5421
Dual Out-of-Phase
Synchronous Buck
Controller with Remote
Sense
The CS5421 is a dual N–channel synchronous buck regulator
controller. It contains all the circuitry required for two independent
buck regulators and utilizes the V
2
control method to achieve the
fastest possible transient response and best overall regulation, while
using the least number of external components. The CS5421 features
out–of–phase synchronization between the channels, reducing the
input filter requirement. The CS5421 also provides undervoltage
lockout, Soft Start, built in adaptive FET non–overlap and remote
sense capability. The part is available in a 16 Lead SO Narrow package
allowing the designer to minimize solution size.
Features
V
2
Control Topology
150 ns Transient Response
Programmable Soft Start
25 ns Gate Rise and Fall Times (with 1.0 nF load)
40 ns Adaptive FET Nonoverlap Time
100% Duty Cycle for Enhanced Transient Response
Internal Slope Compensation
1.0 V 0.8% and 2.0% Error Amplifier References
150 kHz to 750 kHz Programmable Frequency Operation
Switching Frequency Set by Single Resistor
Out–Of–Phase Synchronization Between the Channels Reduces the
Input Filter Requirement
Undervoltage Lockout
On/Off Control Through Use of the COMP Pins
CS5421GDR16
http://onsemi.com
A
WL, L
YY, Y
WW, W
= Assembly Location
= Wafer Lot
= Year
= Work Week
Device
Package
Shipping
ORDERING INFORMATION
CS5421GD16
SO–16
48 Units/Rail
SO–16
2500 Tape & Reel
V
FB1
COMP1
SGND
V
FFB1
GATE(H)1
GATE(L)1
PGND
LGND
PIN CONNECTIONS AND
MARKING DIAGRAM
SO–16
D SUFFIX
CASE 751B
1
16
GATE(H)2
GATE(L)2
PGND2
V
CC
R
OSC
V
FFB2
V
FB2
COMP2
A
C
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