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PDF EL7530 Data sheet ( Hoja de datos )

Número de pieza EL7530
Descripción Monolithic 600mA Step-Down Regulator
Fabricantes Intersil Corporation 
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®
Data Sheet
July 12, 2006
EL7530
FN7434.6
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 Ld MSOP package,
making the entire converter occupy less than 0.18n2 of PCB
area with components on one side only. The 10 Ld MSOP
package is specified for operation over the full -40°C to
+85°C temperature range.
Ordering Information
PART TAPE &
PART NUMBER MARKING REEL PACKAGE
www.DataSheet4U.comEL7530IY
BYAAA
- 10 Ld MSOP
PKG.
DWG. #
MDP0043
EL7530IY-T7 BYAAA
7” 10 Ld MSOP MDP0043
EL7530IY-T13 BYAAA
13” 10 Ld MSOP MDP0043
EL7530IYZ
(Note)
BAADA
- 10 Ld MSOP MDP0043
(Pb-free)
EL7530IYZ-T7 BAADA
(Note)
7” 10 Ld MSOP MDP0043
(Pb-free)
EL7530IYZ-T13 BAADA
(Note)
13” 10 Ld MSOP MDP0043
(Pb-free)
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.
Pinout
EL7530 (10 LD MSOP)
TOP VIEW
1 SGND
FB 10
2 PGND
VO 9
3 LX
PG 8
4 VIN
EN 7
5 VDD SYNC 6
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
Typical Application Diagram
EL7530
TOP VIEW
VS (2.5V to 5.5V)
L1
R3 100
VIN
VDD
LX 1.8µH
C1
10µF
C2 C3
10µF
0.1µF
EL7530
VO
R5 100k
R4 100k
R6
100k
PG
EN
SYNC
PGND
SGND
R1*
124k
FB
R2*
100k
C4
470pF
VO (1.8V @ 600mA)
* VO = 0.8V * (1 + R1 / R2)
1
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. 2004-2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

1 page




EL7530 pdf
EL7530
Performance Curves and Waveforms (Continued)
All waveforms are taken at VIN = 3.3V, VO = 1.8V, IO = 600mA with component values shown on page 1 at room ambient temperature, unless
otherwise noted.
0.1%
0.0%
-0.1%
-0.2%
-0.3%
VIN=3.3V IO=0A
VIN=5V IO=0A
VIN=3.3V IO=600mA
-0.4%
-0.5%
-0.6%
VIN=5V IO=600mA
-0.7%
-50 0 50 100 150
TJ (°C)
FIGURE 7. PWM MODE LOAD/LINE REGULATIONS vs
JUNCTION TEMPERATURE
12
10
8
6
4
2
0
2.5 3 3.5 4 4.5 5
VS (V)
FIGURE 8. NO LOAD QUIESCENT CURRENT (PWM MODE)
140
130
VO=1.8V
VO=3.3V
120
110
100 VO=1.5V
90 VO=1.2V VO=1.0VVO=0.8V
80
70
60
50
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VS (V)
FIGURE 9. NO LOAD QUIESCENT CURRENT (PFM MODE)
1
VIN
(2V/DIV)
IIN
(0.25A/DIV)
VO
(2V/DIV)
PG
200µs/DIV
FIGURE 10. START-UP AT IO = 600mA
5
2
EN
IIN
(0.25A/DIV)
VO
(2V/DIV)
PG
500µs/DIV
FIGURE 11. ENABLE AND SHUT-DOWN
FN7434.6
July 12, 2006

5 Page





EL7530 arduino
EL7530
Mini SO Package Family (MSOP)
0.25 M C A B
N
D
A
(N/2)+1
E E1
PIN #1
I.D.
1
B
(N/2)
e
C
SEATING
PLANE
0.10 C
N LEADS
b
H
0.08 M C A B
L1
c
SEE DETAIL "X"
A
MDP0043
MINI SO PACKAGE FAMILY
SYMBOL MSOP8 MSOP10 TOLERANCE NOTES
A
1.10
1.10
Max.
-
A1
0.10
0.10
±0.05
-
A2
0.86
0.86
±0.09
-
b
0.33
0.23
+0.07/-0.08
-
c
0.18
0.18
±0.05
-
D
3.00
3.00
±0.10
1, 3
E
4.90
4.90
±0.15
-
E1
3.00
3.00
±0.10
2, 3
e
0.65
0.50
Basic
-
L
0.55
0.55
±0.15
-
L1
0.95
0.95
Basic
-
N 8 10 Reference -
NOTES:
Rev. C 6/99
1. Plastic or metal protrusions of 0.15mm maximum per side are not
included.
2. Plastic interlead protrusions of 0.25mm maximum per side are
not included.
3. Dimensions “D” and “E1” are measured at Datum Plane “H”.
4. Dimensioning and tolerancing per ASME Y14.5M-1994.
A2
A1
L
DETAIL X
GAUGE
PLANE 0.25
3° ±3°
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
11 FN7434.6
July 12, 2006

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