EL7532 Ver la hoja de datos (PDF) - Renesas Electronics
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EL7532 Datasheet PDF : 9 Pages
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EL7532
NOT RECOMMENDED FOR NEW DESIGNS
POSSIBLE SUBSTITUTE PRODUCT
(NOT PIN-FOR-PIN) ISL8002, ISL8002A
Monolithic 2A Step-Down Regulator
DATASHEET
FN7435
Rev 9.00
December 9, 2015
The EL7532 is a synchronous, integrated FET 2A 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 single Li-Ion battery source. The
output can be externally set from 0.8V to VIN with a resistive
divider.
The EL7532 features PWM mode control. The operating
frequency is typically 1.5MHz. Additional features include a
100ms Power-On-Reset output, <1µA shut-down current
and over-temperature protection.
The EL7532 is available in the 10-pin MSOP package,
making the entire converter occupy less than 0.18 in2 of
PCB area with components on one side only. The package is
specified for operation over the full -40°C to +85°C
temperature range.
Ordering Information
PART
NUMBER
PART
MARKING
TEMP.
RANGE
(°C)
PKG.
PACKAGE DWG. #
EL7532IYZ
(Note)
BAARA
-40 to +85 10 Ld MSOP MDP0043
(Pb-free)
*Add -T7 suffix for 1k unit or -T13 suffix for 2.5k unit tape and reel
options. Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets; molding compounds/die attach
materials and 100% matte tin plate PLUS ANNEAL - e3 termination
finish, which is 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
EL7532
(10 LD MSOP)
TOP VIEW
1 SGND
2 PGND
3 LX
4 VIN
5 VDD
FB 10
VO 9
POR 8
EN 7
RSI 6
Features
• 2A continuous current (from -40°C to +85°C)
• Less than 0.18 in2 footprint for the complete 2A converter
• Max height 1.1mm MSOP10
• 1.5MHz (typ.) switching frequency
• 100ms Power-On-Reset output (POR)
• Internally-compensated voltage mode controller
• Up to 94% efficiency
• <1µA shut-down current
• Over-temperature protection
• Pb-free available (RoHS compliant)
Applications
• PDA and pocket PC computers
• Bar code readers
• ADSL modems
• Portable instruments
• Li-Ion battery powered devices
• ASIC/FPGA/DSP supplies
• Set top boxes
Typical Application Schematic
VS
(2.5V to 5.5V)
L1
VO
R3 100
VIN
VDD
LX 1.8µH
C1
10µF
C2
C3
10µF
0.1µF
EL7532
R5 100k
R4 100k
R6
100k
POR
EN
RSI
PGND
SGND
R1*
124k
FB
R2*
100k
C4
470pF
VO
(1.8V @ 2A)
VO = 0.8V * (1 + R2 / R1)
*C4 is optional. Make sure that loop response are
measured in actual application.
SIGNAL
GROUND
POWER
GROUND
FN7435 Rev 9.00
December 9, 2015
Page 1 of 9
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