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EL7535_06

更新时间: 2024-10-31 04:40:27
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英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
9页 181K
描述
Monolithic 350mA Step-Down Regulator

EL7535_06 数据手册

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EL7535  
®
Data Sheet  
July 13, 2006  
FN7003.5  
Monolithic 350mA Step-Down Regulator  
Features  
The EL7535 is a synchronous, integrated FET 350mA step-  
down regulator in a MSOP10 package. The regulator is  
internally compensated, which makes it possible to use just  
five tiny external components to form a complete DC/DC  
converter. The regulator operates with an input voltage  
range from 2.5V to 6V, which accommodates supplies of  
3.3V, 5V, or a Li-Ion battery source. The output can be  
• Extremely small 350mA DC/DC converter  
• Max height 1.1mm MSOP10 package  
• Possibly uses only five tiny external components with fixed  
output  
• Power-On-Reset output (POR)  
• Internally-compensated voltage mode controller  
• Up to 94% efficiency  
externally set from 0.8V to V with a resistive divider.  
IN  
The EL7535 features PWM mode control. The operating  
frequency is typically 1.4MHz. Additional features include  
<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 EL7535 is available in the 10 Ld MSOP package and is  
specified for operation over the full -40°C to +85°C  
temperature range.  
Applications  
• PDA and pocket PC computers  
• Bar code readers  
Ordering Information  
PART NUMBER  
(BRAND)  
PART  
MARKING REEL  
TAPE&  
PKG.  
DWG. #  
• Cellular phones  
PACKAGE  
10 Ld MSOP  
10 Ld MSOP  
10 Ld MSOP  
• Portable test equipment  
• Li-Ion battery powered devices  
• Small form factor (SFP) modules  
EL7535IY  
a
-
7”  
13”  
-
MDP0043  
MDP0043  
MDP0043  
MDP0043  
EL7535IY-T7  
EL7535IY-T13  
a
a
EL7535IYZ  
(Note)  
BAACA  
10 Ld MSOP  
(Pb-free)  
Typical Application Diagram  
EL7535  
(10 LD MSOP)  
TOP VIEW  
EL7535IYZ-T7 BAACA  
(Note)  
7”  
10 Ld MSOP  
(Pb-free)  
MDP0043  
MDP0043  
V
V
(2.5V to 5.5V)  
L
1
O
EL7535IYZ-T13 BAACA  
(Note)  
13”  
10 Ld MSOP  
(Pb-free)  
S
VIN  
LX  
1.8µH  
R
100Ω  
3
C
10µF  
1
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.  
VDD  
C
10µF  
C
3
0.1µF  
2
EL7535  
R
R
100kΩ  
5
4
R *  
1
POR  
124kΩ  
C
4
FB  
VO  
EN  
470pF  
100kΩ  
RSI  
R *  
2
100kΩ  
Pinout  
R
6
100kΩ  
PGND  
SGND  
EL7535 (10 LD MSOP)  
TOP VIEW  
(1.8V @ 350mA)  
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. 2004, 2005, 2006. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  

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