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參數(shù)資料
| 型號(hào)： | CS517GD16 |
| 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： | 176K |
| 代理商： | CS517GD16 |
The CS5157 is a 5-bit synchronous
dual N-Channel buck controller. It
is designed to provide unprece-
dented transient response for
today’s demanding high-density,
high-speed logic. The regulator
operates using a proprietary control
method, which allows a 100ns
response time to load transients.
The CS5157 is designed to operate
over a 4.25-16V range (V
CC
) using
12V to power the IC and 5V as the
main supply for conversion.
The CS5157 is specifically designed
to power Pentium
II processors
and other high performance core
logic. It includes the following fea-
tures: on board, 5-bit DAC, short
circuit protection, 1.0% output tol-
erance, V
CC
monitor, and pro-
grammable soft start capability. The
CS5157 is available in 16 pin surface
mount.
Features
I
Dual N-Channel Design
Excess of 1MHz Operation
100ns Transient Response
5-Bit DAC
Backward Compatible with
Adjustable CS5120/5121
30ns Gate Rise/Fall Times
1% DAC Accuracy
5V & 12V Operation
Remote Sense
Programmable Soft Start
Lossless Short Circuit
Protection
V
CC
Monitor
25ns FET Nonoverlap Time
V
2
TM
Control Topology
Current Sharing
Overvoltage Protection
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Package Options
CPU 5-Bit Synchronous Buck Controller
Description
CS5157
Application Diagram
1
V
ID0
V
ID1
V
ID2
V
ID3
SS
V
ID4
C
OFF
V
FFB
V
FB
COMP
LGnd
V
CC1
V
GATE(L)
PGnd
V
GATE(H)
V
CC2
16 Lead SO Narrow
1
Switching Power Supply for core logic - Pentium
II processor
0.33
μ
F
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
V
CC1
SS
CS5157
C
OFF
LGnd
V
FB
V
FFB
COMP
IRL3103
IRL3103
0.1
μ
F
12V
5V
2
μ
H
1.3V to 3.5V @ 13A
V
CC2
V
GATE(H)
V
GATE(L)
PGnd
1200
μ
F/10V x 3
AlEl
3.3k
0.1
μ
F
1200
μ
F/10V x 5
AlEl
100pF
330pF
Pentium is a registered trademark of Intel Corporation.
V
2
is a trademark of Switch Power, Inc.
June, 1999 - Rev. 5
C
ON Semiconductor
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885–3600 Fax: (401)885–5786
N. American Technical Support: 800-282-9855
Web Site: www.cherry–semi.com
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