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EL7520ILZ-T13

Description
Switching Controllers EL7520ILZ 4-CH DC-DC CNTRLR
Categorysemiconductor    Power management   
File Size863KB,18 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
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EL7520ILZ-T13 Overview

Switching Controllers EL7520ILZ 4-CH DC-DC CNTRLR

EL7520ILZ-T13 Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerIntersil ( Renesas )
Product CategorySwitching Controllers
RoHSDetails
Number of Outputs4 Output
Input Voltage3 V to 5.5 V
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Package / CaseQFN EP
PackagingCut Tape
PackagingReel
TypeCurrent Mode PWM Controllers
Moisture SensitiveYes
NumOfPackaging2
Factory Pack Quantity2500
EL7520, EL7520A
4-Channel DC/DC Controller
DESIGNS
FO R N E W
RT
MMENDED
EMENT PA
NOT RECO
D REPLAC
NDE
RECOMME
ISL97645A
DATASHEET
FN7318
Rev 0.00
July 12, 2005
EL7520 and EL7520A are 4-channel DC/DC controllers that
provide a complete power supply system for TFT-LCD
applications. They consist of a 1MHz PWM boost controller,
which generates the main voltage for the column driver, and
three LDO controllers for V
ON
, V
OFF
, and V
LOGIC
supplies.
They also include integrated start-up sequence and start-up
delay control.
EL7520 and EL7520A operate from 3V to 5.5V. The boost
controller can drive a wide range of output current
depending on the external FET. It can be programmed to
operate in either P-mode for fast transient response or PI-
mode for improved load regulation. The EL7520 and
EL7520A also integrate fault protection for all four output
channels. When a fault is detected, the device is latched off
until either the input supply voltage or enable is cycled.
Therefore, they are ideal to use in any size of TFT-LCD
panels.
The EL7520 and EL7520A are available in a 20 Ld 4x4 QFN
package with maximum height of 0.9mm and is specified for
operation of the -40°C to +85°C temperature range.
Features
• Complete TFT-LCD supply controller
- 1MHz PWM boost controller
- V
ON
LDO controller
- V
OFF
LDO controller
- Logic supply LDO controller
• Integrated start-up sequence for V
LOGIC
/V
BOOST
, V
OFF,
V
ON
or V
LOGIC
, V
OFF
, V
BOOST
, V
ON
- V
LOGIC
permanently enabled in 'A version (EL7520A)
• Programmable sequence delay
• In-rush current control
• Fully fault protected
• Thermal shutdown
• Internal soft-start
• 3V to 5.5V V
DD
• 20 Ld 4x4 QFN package
• Low cost
Ordering Information
PART NUMBER
(NOTE)
EL7520ILZ
EL7520ILZ-T7
EL7520ILZ-T13
EL7520AILZ
EL7520AILZ-T7
EL7520AILZ-T13
PACKAGE
(Pb-FREE)
20 Ld 4x4 QFN
20 Ld 4x4 QFN
20 Ld 4x4 QFN
20 Ld 4x4 QFN
20 Ld 4x4 QFN
20 Ld 4x4 QFN
TAPE &
REEL
-
7”
13”
-
7”
13”
PKG.
DWG. #
MDP0046
MDP0046
MDP0046
MDP0046
MDP0046
MDP0046
• Pb-Free plus anneal available (RoHS compliant)
Applications
• LCD monitors (15”+)
• LCD-TV (up to 40”+)
• Notebook displays (up to 16”)
• Industrial/medical LCD displays
Pinout
EL7520 AND EL7520A
(20 LD 4X4 QFN)
TOP VIEW
16 DRVP
15 FBP
14 DRVL
THERMAL
PAD
13 FBL
12 DRVN
11 FBN
DELB 6
SGND 7
VREF 10
FBB 8
CINT 9
19 VDDP
18 VDD
20 PG
17 EN
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.
CDLY 1
DRVB 2
PGND 3
ISAD 4
ISIN 5
FN7318 Rev 0.00
July 12, 2005
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