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ISL97644_07 Datasheet

  • ISL97644_07

  • Boost + LDO + VON Slice + VCOM

  • 15頁(yè)

  • INTERSIL   INTERSIL

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ISL97644
Data Sheet
December 14, 2007
FN9228.1
Boost + LDO + V
ON
Slice + V
COM
The ISL97644 represents an integrated DC/DC regulator for
monitor and notebook applications with screen sizes up to
20鈥? The device integrates a boost converter for generating
A
VDD
, a V
ON
slice circuit, an integrated logic LDO and a high
performance V
COM
amplifier.
The boost converter features a 2.6A FET and has user
programmable soft-start and compensation. With efficiencies
up to 92%, the A
VDD
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 V
ON
slice circuit can control gate voltages up to 30V.
High and low levels are programmable, as well as discharge
rate and timing.
The integrated V
COM
features high speed and drive
capability. With 30MHz bandwidth and 50V/碌s slew rate, the
V
COM
amplifier is capable of driving 400mA peaks, and
100mA continuous output current.
Features
鈥?3V to 5.5V Input
鈥?2.6A Integrated Boost for Up to 20V A
VDD
鈥?Integrated V
ON
Slice
鈥?350mA V
LOGIC
LDO
- 2.5V, 2.85V, 3.3V Output Voltage Selectable
鈥?600kHz/1.2MHz f
S
鈥?V
COM
Amplifier
- 30MHz BW
- 50V/碌s SR
- 400mA Peak Output Current
鈥?UV and OT Protection
鈥?24 Ld 4x4 QFN
鈥?Pb-Free (RoHS Compliant)
Applications
鈥?LCD Monitors (15鈥?)
鈥?Notebook Display (up to 16鈥?
Pinout
ISL97644
(24 LD 4x4 QFN)
TOP VIEW
ENABLE
PGND
Ordering Information
TEMP.
RANGE
PART NUMBER
PART
(擄C)
(Note)
MARKING
ISL97644IRZ
18
17
16
15
14
13
LX
VIN_2
FREQ
COMP
SS
VIN_1
VGH
RE
CE
24
GND
VGH_M
VFLK
VDPM
VDD_1
VDD_2
1
2
3
4
5
6
7
OUT
23
22
21
20
FB
PACKAGE
(Pb-Free)
PKG.
DWG. #
19
97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D
97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D
Tape & Reel
ISL97644IRZ-T*
ISL97644IRZ-TK* 97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D
Tape & Reel
*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.
8
NEG
9
POS
10
AGND
11
ADJ
12
LDO_OUT
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, 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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