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ISL97652IRZ-TK Datasheet

  • ISL97652IRZ-TK

  • 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers

  • 25頁

  • INTERSIL   INTERSIL

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廬
ISL97652
Data Sheet
December 21, 2006
FN9287.0
4-Channel Integrated LCD Supply with
Dual V
COM
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 A
VDD
generation, delay switch, regulated V
ON
and V
OFF
charge
pumps, V
ON
slicing circuitry, a buck regulator for logic supply
generation and dual high power V
COM
amplifiers.
Operating at 650kHz or 1.3MHz, the A
VDD
boost converter
features a 2.8A boost FET. A short circuit protected A
VDD
delay switch is integrated to provide sequencing of the A
VDD
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 V
ON
and V
OFF
generation uses the full F
OSC
switching frequency to allow
the use of small output components for board space
efficiency. V
ON
is further processed through an integrated
V
ON-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擄C to +85擄C temperature range.
Features
鈥?8V to 15V input supply
鈥?A
VDD
boost up to 19.5V (OVP threshold), with integrated
2.8A
PEAK
FET
鈥?Overvoltage protection (OVP)
鈥?2A integrated A
VDD
delay FET, with short circuit protection
鈥?Dual charge pump controllers for V
ON
and V
OFF
鈥?V
LOGIC
buck with integrated 2.5A
PEAK
FET
鈥?V
ON
slicing
鈥?Dual high speed V
COM
amplifiers
鈥?650kHz/1.3MHz switching frequency
鈥?Integrated sequencing
鈥?UVLO and OTP protection
鈥?Thermally enhanced 7x7 QFN package
鈥?Pb-free plus anneal available (RoHS compliant)
Applications
鈥?LCD-TVs (up to 40鈥?
鈥?Industrial/medical LCD displays
Pinout
ISL97652
(48 LD QFN)
TOP VIEW
47 OGND
48 NEG1
46 OUT2
44 NEG2
45 POS2
42 SWO
43 AVIN
38 SW2
37 SW1
36 PGND3
35 PGND2
34 PGND1
33 EN1
32 EN2
THERMAL
PAD
31 VC
30 SS
29 DLY2
28 FREQ
27 VDC
26 PVIN2
25 PVIN1
SUP 13
DRVN 14
AGND 15
FBN 16
REF 17
DLY1 18
SSB 19
VCB 20
FBB 21
CBOOT 22
SWB1 23
SWB2 24
39 SWI
Ordering Information
PART NUMBER
(Note)
ISL97652IRZ
ISL97652IRZ-T
PART
MARKING
ISL97652IRZ
ISL97652IRZ
TAPE &
REEL
-
PACKAGE
(Pb-Free)
PKG.
DWG. #
POS1 1
OUT1 2
VGL 3
CE 4
VFLK 5
VDPM 6
RE 7
VGHM 8
VGH 9
FBP 10
GND 11
DRVP 12
48 Ld 7x7 QFN L48.7x7
13鈥?/div>
48 Ld 7x7 QFN L48.7x7
(4k pcs)
13鈥?/div>
48 Ld 7x7 QFN L48.7x7
(1k pcs)
ISL97652IRZ-TK ISL97652IRZ
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.
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.
40 SUI
41 FB

ISL97652IRZ-TK 產(chǎn)品屬性

  • 1,000

  • 集成電路 (IC)

  • PMIC - 電源管理 - 專用

  • -

  • LCD 電視機/監(jiān)控器

  • 500µA

  • 8 V ~ 15 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 48-VFQFN 裸露焊盤

  • 48-QFN（7x7）

  • 帶卷 (TR)

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