参数资料
型号: ISL6745UEVAL2Z
厂商: Intersil
文件页数: 1/8页
文件大小: 0K
描述: EVAL BOARD 2 FOR ISL6745
标准包装: 1
系列: *
?
ISL6745
Data Sheet
September 1, 2005
FN9161.6
Bridge Controller with Precision Dead
Time Control
The ISL6745 is a low-cost double-ended voltage-mode
PWM controller designed for half-bridge and full-bridge
power supplies and line-regulated bus converters. It
provides precise control of switching frequency, adjustable
soft-start, and overcurrent shutdown. In addition, the
ISL6745 allows for accurate adjustment of MOSFET non-
overlap time (“deadtime”) with deadtimes as low as 35ns,
allowing power engineers to optimize the efficiency of open-
loop bus converters. The ISL6745 also includes a control
voltage input for closed-loop PWM and line voltage feed-
forward functions.
Low start-up and operating currents allow for easy biasing in
both AC/DC and DC/DC applications. This advanced
BiCMOS design also features adjustable switching
frequency up to 1MHz, 1A FET drivers, and very low
propagation delays for a fast response to overcurrent faults.
The ISL6745 is available in a space-saving MSOP-10
package and is guaranteed to meet rated specifications over
a wide -40°C to 105°C temperature range.
Ordering Information
Features
? Precision Duty Cycle and Deadtime Control
? 100 μ A Start-up Current
? Adjustable Delayed Overcurrent Shutdown and Re-Start
? Adjustable Oscillator Frequency Up to 2MHz
? 1A MOSFET Gate Drivers
? Adjustable Soft-Start
? Internal Over Temperature Protection
? 35ns Control to Output Propagation Delay
? Small Size and Minimal External Component Count
? Input Undervoltage Protection
? Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
? Half-bridge Converters
? Full-bridge Converters
? Line-regulated Bus Converters
? AC/DC Power Supplies
PART NUMBER
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
? Telecom, Datacom, and File Server Power
ISL6745AU
ISL6745AUZ
(See Note)
-40 to 105
-40 to 105
10 Ld MSOP
10 Ld MSOP
(Pb-free)
M10.118
M10.118
Pinout
ISL6745 (MSOP)
TOP VIEW
Add -T suffix to part number for tape and reel packaging
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.
SS 1
RTD 2
VERR 3
CS 4
CT 5
10 VDD
9 VDDP
8 OUTB
7 OUTA
6 GND
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. 2004-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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