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EL7531IL

更新时间： 2024-01-02 12:05:19
品牌 Logo 应用领域
瑞萨 - RENESAS 开关光电二极管
页数 文件大小 规格书
11页 764K
描述
1.2A SWITCHING REGULATOR, 1600kHz SWITCHING FREQ-MAX, PDSO10, MO-220, DFN-10

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EL7531IL 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFN包装说明：VSON, SOLCC10,.12,20
针数：10Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.8模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：2.5 V
标称输入电压：3.3 VJESD-30 代码：S-PDSO-N10
JESD-609代码：e0长度：3 mm
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1.2 A封装主体材料：PLASTIC/EPOXY
封装代码：VSON封装等效代码：SOLCC10,.12,20
封装形状：SQUARE封装形式：SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：0.9 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：1600 kHz温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

EL7531IL 数据手册

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EL7531  
®
Data Sheet  
May 3, 2004  
FN7428.3  
Monolithic 1A Step-Down Regulator with  
Low Quiescent Current  
Features  
2
2
• Less than 0.15 in (0.97 cm ) footprint for the complete 1A  
converter  
The EL7531 is a synchronous,  
integrated FET 1A step-down  
• Components on one side of PCB  
• Max height 1.1mm MSOP10 or 1mm DFN 10 package  
• Power-Good (PG) output  
regulator with internal compensation.  
It operates with an input voltage range from 2.5V to 5.5V,  
which accommodates supplies of 3.3V, 5V, or a Li-Ion  
battery source. The output can be externally set from 0.8V to  
• Internally-compensated voltage mode controller  
• Up to 94% efficiency  
V
with a resistive divider.  
IN  
The EL7531 features automatic PFM/PWM mode control, or  
PWM mode only. The PWM frequency is typically 1.4MHz  
and can be synchronized up to 12MHz. The typical no load  
quiescent current is only 120µA. Additional features include  
a Power-Good output, <1µA shut-down current, short-circuit  
protection, and over-temperature protection.  
• <1µA shut-down current  
• 120µA quiescent current  
• Over-current and over-temperature protection  
• External synchronizable up to 12MHz  
The EL7531 is available in the 10-pin MSOP and 10-pin  
DFN (3x3 mm) packages, making the entire converter  
Applications  
• PDA and pocket PC computers  
2
occupy less than 0.15 in of PCB area with components on  
one side only. Both packages are specified for operation  
over the full -40°C to +85°C temperature range.  
• Bar code readers  
• Cellular phones  
Ordering Information  
• Portable test equipment  
• Li-Ion battery powered devices  
• Small form factor (SFP) modules  
PART  
NUMBER  
PACKAGE  
10-Pin MSOP  
10-Pin MSOP  
10-Pin MSOP  
10-Pin DFN  
10-Pin DFN  
10-Pin DFN  
TAPE & REEL PKG. DWG. #  
EL7531IY  
-
MDP0043  
MDP0043  
MDP0043  
MDP0047  
MDP0047  
MDP0047  
EL7531IY-T7  
EL7531IY-T13  
EL7531IL  
7”  
Pinout and Typical Application Diagram  
EL7531  
13”  
-
TOP VIEW  
EL7531IL-T7  
EL7531IL-T13  
7”  
13”  
R *  
1
100kΩ  
1
2
3
4
5
SGND  
PGND  
LX  
FB 10  
C
4
R *  
2
124kΩ 470pF  
VO  
PG  
EN  
9
8
7
6
C
1
C
10µF  
2
L
1
10µF  
(1.8V@1A)  
PG  
1.8µH  
V
O
VIN  
EN  
R
100Ω  
C
3
V
(2.5V-6V)  
S
VDD  
RSI  
SYNC  
3
R
6
0.1µF  
100kΩ  
R
R
100kΩ  
100kΩ  
4
5
* V = 0.8V * (1 + R / R )  
O
2
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
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.  
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EL7531IYZ-T7 INTERSIL

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