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參數資料
| 型號： | EL7563C |
| 英文描述： | Monolithic 4 Amp DC:DC Converter(4A,單片DC:DC步降轉換器) |
| 中文描述： | 單片4安培直流：DC轉換器（4A條，單片直流：直流步降轉換器） |
| 文件頁數： | 1/17頁 |
| 文件大小： | 345K |
| 代理商： | EL7563C |
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
2000 Elantec Semiconductor, Inc.
EL
7563C
General Description
The EL7563C is an integrated, full-featured synchronous buck con-
verter with output voltage adjustable from 1.0V to 2.5V. It is capable
of delivering 4A continuous current at up to 95% efficiency. The
EL7563C operates at a constant frequency pulse width modulation
(PWM) mode, making external synchronization possible. Patented on-
chip resistorless current sensing enables current mode control, which
provides cycle-by-cycle current limiting, over-current protection, and
excellent step load response. The EL7563C features power tracking,
which makes the start-up sequencing of multiple converters possible,
as well as power sharing, which enables the use of multiple converters
in parallel to provide more than 4A of output current. A junction tem-
perature indicator conveniently monitors the silicon die temperature,
saving the designer time on the tedious thermal characterization. The
minimal external components and full functionality make this
EL7563C ideal for desktop and portable applications.
Connection Diagram
Manufactured Under U.S. Patent No. 5,7323,974
1
2
3
4
16
15
14
13
5
6
7
12
11
9
8
10
EL7563C
20
19
18
17
CREF
SGND
COSC
VS
PSHR
PGND
VIN
STP
STN
EN
FB
PG
VDRV
VH1
LX
PGND
C5
0.1 F
C4
390pF
C2
1nF
C3
0.1 F
C1a
330 F
C1b
0.1 F
R4
22
C6
0.22 F
D1
L1
4.7 F
C7
330 F
R2
806
R1
1k
VIN
VOUT
D2
D4
D3
C9
0.1 F
C8
0.22 F
Features
Integrated synchronous MOSFETs
and current mode controller
4A continuous output current
Up to 95% efficiency
Internal patented current sense
Cycle-by-cycle current limit
Adjustable output voltage 1V to
2.5V
3V to 3.6V input voltage
Precision 1% reference
1.5% output accuracy
±0.5% load and line regulation
Adjustable switching frequency to
1MHz
Oscillator synchronization
possible
Internal soft start
Over voltage protection
Junction temperature indicator
Over temperature protection
UVLO
Multiple supply power sharing
Multiple supply start-up tracking
Power good indicator
20-Pin SO (0.300”) Package
Applications
DSP, CPU Core/IO Supplies
Logic/Bus Supplies
Portable Equipment
DC:DC Converter Modules
GTL + Bus Power Supply
Ordering Information
Part No.
Package
Tape & Reel
Outline #
EL7563CM
20-Lead SO
13”
MDP0027
EL7563C
Monolithic 4 Amp DC:DC Buck Converter
D
ece
mber
21,
2000
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相關代理商/技術參數 |
參數描述 |
|---|---|
| EL7563CM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
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| EL7563CMZ | 功能描述:直流/直流開關調節器 EL7563CMZ PROGRAM 5P PWR MGR 12 4A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| EL7563CMZ-T13 | 功能描述:直流/直流開關調節器 EL7563CMZ PROGRAM 5P PWR MGR 12 4A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| EL7563CRE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
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