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EL7536_06

更新时间: 2024-11-01 04:40:27
品牌 Logo 应用领域
英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
9页 187K
描述
Monolithic 1A Step-Down Regulator

EL7536_06 数据手册

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EL7536  
®
heet  
July 13, 2006  
FN7396.8  
Monolithic 1A Step-Down Regulator  
Features  
2
2
The EL7536 is a synchronous, integrated FET 1A step-down  
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  
• Less than 0.15in (0.97cm ) footprint for the complete 1A  
converter  
• Components on one side of PCB  
• Max height 1.1mm MSOP10  
can be externally set from 0.8V to V with a resistive  
IN  
divider.  
• 100ms Power-On-Reset output (POR)  
• Internally-compensated voltage mode controller  
• Up to 94% efficiency  
The EL7536 features PWM mode control. The operating  
frequency is typically 1.4MHz. Additional features include a  
100ms Power-On-Reset output, <1µA shut-down current,  
short-circuit protection, and over-temperature protection.  
• <1µA shut-down current  
• Overcurrent and over-temperature protection  
• Pb-free plus anneal available (RoHS compliant)  
The EL7536 is available in the 10 Ld MSOP package,  
making the entire converter occupy less than 0.15in 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.  
2
Applications  
• PDA and pocket PC computers  
• Bar code readers  
Ordering Information  
PART NUMBER  
(BRAND)  
PART  
MARKING  
TAPE &  
REEL PACKAGE  
PKG.  
DWG. #  
• Cellular phones  
• Portable test equipment  
• Li-Ion battery powered devices  
• Small form factor (SFP) modules  
EL7536IY  
BDAAA  
BDAAA  
-
7”  
13”  
-
10 Ld MSOP MDP0043  
10 Ld MSOP MDP0043  
10 Ld MSOP MDP0043  
EL7536IY-T7  
EL7536IY-T13 BDAAA  
EL7536IYZ  
(Note)  
BFAAA  
10 Ld MSOP MDP0043  
(Pb-free)  
Typical Application Diagram  
EL7536  
TOP VIEW  
EL7536IYZ-T7 BFAAA  
(Note)  
7”  
10 Ld MSOP MDP0043  
(Pb-free)  
V
V
(2.5V to 5.5V)  
L
1
O
S
VIN  
LX  
EL7536IYZ-T13 BFAAA  
(Note)  
13”  
10 Ld MSOP MDP0043  
(Pb-free)  
1.8µH  
R
100Ω  
3
C
10µF  
1
VDD  
NOTE: Intersil Pb-free plus anneal products employ special Pb-free  
material sets; molding compounds/die attach materials and 100%  
matte tin plate termination finish, which are RoHS compliant and  
compatible with both SnPb and Pb-free soldering operations. Intersil  
Pb-free products are MSL classified at Pb-free peak reflow  
temperatures that meet or exceed the Pb-free requirements of  
IPC/JEDEC J STD-020.  
C
10µF  
C
3
2
0.1µF  
EL7536  
R
R
100kΩ  
5
4
R *  
1
124kΩ  
POR  
C
4
FB  
VO  
EN  
470pF  
100kΩ  
RSI  
R *  
2
100kΩ  
R
6
Pinout  
100kΩ  
PGND  
SGND  
EL7536 (10 LD MSOP)  
(1.8V @ 1A)  
TOP VIEW  
SGND  
PGND  
LX  
FB  
VO  
1
2
3
4
5
10  
9
* V = 0.8V * (1 + R / R )  
O
1
2
POR  
EN  
8
VIN  
7
6
VDD  
RSI  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2003-2006. All Rights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  

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