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EL7530 数据表(PDF) 1 Page - Intersil Corporation

部件名 EL7530
功能描述  Monolithic 600mA Step-Down Regulator with Low Quiescent Current
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

EL7530 数据表(HTML) 1 Page - Intersil Corporation

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1
®
FN7434.3
EL7530
Monolithic 600mA Step-Down Regulator
with Low Quiescent Current
The EL7530 is a synchronous, integrated FET 600mA 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 can be externally set from 0.8V to VIN
with a resistive divider.
The EL7530 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.
The EL7530 is available in the 10-pin MSOP package,
making the the entire converter occupy less than 0.18n2 of
PCB area with components on one side only. The 10-pin
MSOP package is specified for operation over the full -40°C
to +85°C temperature range.
Features
• Less than 0.18in2 footprint for the complete 600mA
converter
• Components on one side of PCB
• Max height 1.1mm MSOP10
• Power-Good (PG) output
• Internally-compensated voltage mode controller
• Up to 95% efficiency
• <1µA shut-down current
• 120µA quiescent current
• Overcurrent and over-temperature protection
• External synchronizable up to 12MHz
• Pb-Free plus anneal available (RoHS compliant)
Applications
• PDA and pocket PC computers
• Bar code readers
• Cellular phones
• Portable test equipment
• Li-Ion battery powered devices
• Small form factor (SFP) modules
Pinout and Typical Application Diagram
EL7530
TOP VIEW
Ordering Information
PART NUMBER
(BRAND)
PACKAGE
TAPE &
REEL
PKG.
DWG. #
EL7530IY
(BYAAA)
10-Pin MSOP
-
MDP0043
EL7530IY-T7
(BYAAA)
10-Pin MSOP
7”
MDP0043
EL7530IY-T13
(BYAAA)
10-Pin MSOP
13”
MDP0043
EL7530IYZ
(BAADA) (Note)
10-Pin MSOP
(Pb-free)
-
MDP0043
EL7530IYZ-T7
(BAADA) (Note)
10-Pin MSOP
(Pb-free)
7”
MDP0043
EL7530IYZ-T13
(BAADA) (Note)
10-Pin MSOP
(Pb-free)
13”
MDP0043
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.
* VO = 0.8V * (1 + R2 / R1)
SGND
FB
VDD
SYNC
VIN
EN
LX
PG
PGND
VO
1.8µH
VO (1.8V@600mA)
C1
PG
R2*
R1*
124k
100k
EN
SYNC
100k
C2
VS (2.5V-6V)
100k
R4
R5
10µF
10µF
L1
R6
100k
0.1µF
R3
100
C3
C4
470pF
1
2
3
4
10
9
8
7
5
6
Data Sheet
August 10, 2005
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. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.


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