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ISL97644 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL97644
部品説明 Boost + LDO + VON Slice + VCOM
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL97644 Datasheet, ISL97644 PDF,ピン配置, 機能
®
Data Sheet
April 11, 2006
ISL97644
FN9228.0
Boost + LDO + VON Slice + VCOM
The ISL97644 represents an integrated DC/DC regulator for
monitor and notebook applications with screen sizes up to
20”. The device integrates a boost converter for generating
AVDD, a VON slice circuit, an integrated logic LDO and a high
performance VCOM amplifier.
The boost converter features a 2.6A FET and has user
programmable soft-start and compensation. With efficiencies
up to 92%, the AVDD is user selectable from 7V to 20V.
The logic LDO includes a 350mA FET for driving the low
voltage needed by the external digital circuitry.
The VON slice circuit can control gate voltages up to 30V.
High and low levels are programmable, as well as discharge
rate and timing.
The integrated VCOM features high speed and drive
capability. With 30MHz bandwidth and 50V/µs slew rate, the
VCOM amplifier is capable of driving 400mA peaks, and
100mA continuous output current.
Pinout
ISL97644
(24 LD 4x4 QFN)
TOP VIEW
24 23 22 21 20 19
GND 1
18 LX
VGH_M 2
17 VIN_2
VFLK 3
16 FREQ
VDPM 4
15 COMP
VDD_1 5
14 SS
VDD_2 6
13 VIN_1
7 8 9 10 11 12
Features
• 3V to 5.5V Input
• 2.6A Integrated Boost for Up to 20V AVDD
• Integrated VON Slice
• 350mA VLOGIC LDO
- 2.5V, 2.85V, 3.3V Output Voltage Selectable
• 600kHz/1.2MHz fS
• VCOM Amplifier
- 30MHz BW
- 50V/µs SR
- 400mA Peak Output Current
• UV and OT Protection
• 24 Ld 4x4 QFN
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• LCD Monitors (15”+)
• Notebook Display (up to 16”)
Ordering Information
TEMP.
PART NUMBER PART RANGE
(Note)
MARKING (°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL97644IRZ 97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D
ISL97644IRZ-T 97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D
6k pc Tape & Reel
ISL97644IRZ-TK 97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D
1k pc Tape & Reel
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.

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