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參數資料
| 型號： | ISL6745 |
| 廠商： | Intersil Corporation |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| 中文描述： | 橋控制器精密死區時間控制 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 226K |
| 代理商： | ISL6745 |
1
FN9161.6
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.
ISL6745
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.
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
Telecom, Datacom, and File Server Power
Ordering Information
PART NUMBER
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL6745AU
-40 to 105
10 Ld MSOP
M10.118
ISL6745AUZ
(See Note)
-40 to 105
10 Ld MSOP
(Pb-free)
M10.118
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.
Pinout
ISL6745 (MSOP)
TOP VIEW
SS 1
RTD
VERR
CS
CT
GND
OUTA
OUTB
VDDP
VDD
2
3
4
5
6
7
8
9
10
Data Sheet
September 1, 2005
相關PDF資料 |
PDF描述 |
|---|---|
| ISL6752 | Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 |
| ISL6752AAZA-T | ZVS Full-Bridge Current-Mode PWM with Adjustable Synchronous Rectifier Control |
| ISL6752AAZA | Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 |
| ISL6753 | Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 |
| ISL6753AAZA-T | ZVS Full-Bridge PWM Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISL6745AAUZ | 功能描述:IC REG CTRLR PWM VM 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6745AAUZ-T | 功能描述:IC REG CTRLR PWM VM 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6745AAUZ-TS2712 | 功能描述:IC REG CTRLR PWM VM 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6745ALEVAL3Z | 功能描述:EVAL BOARD 3 FOR ISL6745 RoHS:是 類別:編程器，開發系統 >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:* 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩壓器拓撲結構:升壓 頻率 - 開關:3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| ISL6745AU | 功能描述:IC REG CTRLR PWM VM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產品目錄頁面:1316 (CN2011-ZH PDF) |
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