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ISL97652 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL97652
部品説明 4-Channel Integrated LCD Supply
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL97652 Datasheet, ISL97652 PDF,ピン配置, 機能
®
Data Sheet
December 21, 2006
ISL97652
FN9287.0
4-Channel Integrated LCD Supply with
Dual VCOM Amplifiers
The ISL97652 represents a high power, integrated LCD
supply IC targeted at large panel LCD displays. The
ISL97652 integrates a high power, boost converter for AVDD
generation, delay switch, regulated VON and VOFF charge
pumps, VON slicing circuitry, a buck regulator for logic supply
generation and dual high power VCOM amplifiers.
Operating at 650kHz or 1.3MHz, the AVDD boost converter
features a 2.8A boost FET. A short circuit protected AVDD
delay switch is integrated to provide sequencing of the AVDD
output. Feedback is taken from the far side of the delay FET
for improved regulation and an OVP circuit protects output
side components. The boost features programmable
soft-start.
The asynchronous buck converter features an integrated
2.5A FET. It also operates from the 650kHz or 1.3MHz
internal clock and features separate enable and soft-start
control.
The dual charge pump controllers used for VON and VOFF
generation uses the full FOSC switching frequency to allow
the use of small output components for board space
efficiency. VON is further processed through an integrated
VON-SLICE circuit for reduced flicker.
The integrated amplifiers feature high slew-rate and high
output current capability. They are permanently enabled
when AVIN is present.
Available in the 48 Ld 7mmx7mm QFN package, the
ISL97652 is specified for ambient operation over the
-40°C to +85°C temperature range.
Ordering Information
PART NUMBER PART TAPE & PACKAGE PKG.
(Note)
MARKING REEL (Pb-Free) DWG. #
ISL97652IRZ ISL97652IRZ - 48 Ld 7x7 QFN L48.7x7
ISL97652IRZ-T ISL97652IRZ 13” 48 Ld 7x7 QFN L48.7x7
(4k pcs)
ISL97652IRZ-TK ISL97652IRZ 13” 48 Ld 7x7 QFN L48.7x7
(1k pcs)
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.
Features
• 8V to 15V input supply
• AVDD boost up to 19.5V (OVP threshold), with integrated
2.8APEAK FET
• Overvoltage protection (OVP)
• 2A integrated AVDD delay FET, with short circuit protection
• Dual charge pump controllers for VON and VOFF
• VLOGIC buck with integrated 2.5APEAK FET
• VON slicing
• Dual high speed VCOM amplifiers
• 650kHz/1.3MHz switching frequency
• Integrated sequencing
• UVLO and OTP protection
• Thermally enhanced 7x7 QFN package
• Pb-free plus anneal available (RoHS compliant)
Applications
• LCD-TVs (up to 40”)
• Industrial/medical LCD displays
Pinout
ISL97652
(48 LD QFN)
TOP VIEW
POS1 1
OUT1 2
VGL 3
CE 4
VFLK 5
VDPM 6
RE 7
VGHM 8
VGH 9
FBP 10
GND 11
DRVP 12
THERMAL
PAD
36 PGND3
35 PGND2
34 PGND1
33 EN1
32 EN2
31 VC
30 SS
29 DLY2
28 FREQ
27 VDC
26 PVIN2
25 PVIN1
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. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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