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參數(shù)資料
| 型號： | 293D107X0010D2 |
| 廠商： | Intersil Corporation |
| 英文描述： | The EL7562 is a Buck (Step Down) DC:DC controller with integrated synchronous MOSFETs in a 16-pin QSOP package. |
| 中文描述： | 該EL7562是巴克（降壓）直流：直流集成在一個16個同步MOSFET，控制器引腳QSOP封裝。 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 638K |
| 代理商： | 293D107X0010D2 |
1
TB423
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
Using the EL7562 Demo Board
The EL7562 is a Buck (Step Down)
DC:DC controller with integrated
synchronous MOSFETs in a 16-pin
QSOP package. With very few external components, a 2A
step-down DC:DC converter can be very easily built,
resulting in saved board space (0.5in
2
), minimal design
effort, and improved design time.
There are 2 demo boards, one for nominal 5V input and
another for 3.3V input. This document outlines the design
consideration and lists the bill of materials and the layout.
Please also refer to the advanced data sheet of EL7562 for
detailed applications of the features.
EL7562 Demo Board Circuit Schematic for V
IN
= 5V Application
EL7562
1
2
3
4
16
15
14
13
5
6
7
12
11
10
8
9
SGND
COSC
VDD
PGND
PGND
VIN
VIN
EN
PGND
VREF
FB
VDRV
LX
LX
VHI
PGND
R
3
R
2
L
1
C
3
C
4
C
1
C
2
C
5
R
1
C
6
C
7
V
O
V
IN
V
O
0.985
1
R
2
R
1
------
+
×
=
EL7562 Demo Board Bill of Material
V
IN
= 5V, V
OUT
= 3.3V
REFERENCE
DESIGNATION
VALUE
MANUFACTURER
MANUFACTURER’S
PHONE NUMBER
PART NUMBER
C1
100μF
Sprague
207-324-4140
293D107X0010D2
C2, C3, C5, C6
0.1μF, 0603
Any
C4
270pF, 5%, 0603
Any
C7
100μF
Sprague
207-324-4140
293D107X0010D2
L1
4.7μH
Coilcraft
847-639-6400
D01813472HC
R1
1k
, 0603
Any
R2
2370
, 0603
Any
R3
39
, 0603
Any
Technical Brief
June 20, 2002
NOT RECOMMENDED FOR NEW DESIGNS
SEE EL7532
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