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參數(shù)資料
| 型號(hào)： | ISL6752 |
| 廠商： | Intersil Corporation |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 |
| 中文描述： | ZVS全橋電流模式PWM可調(diào)的同步整流控制 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 436K |
| 代理商： | ISL6752 |
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1
FN9181.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL6752
ZVS Full-Bridge Current-Mode PWM with
Adjustable Synchronous Rectifier Control
The ISL6752 is a high-performance, low-pin-count
alternative zero-voltage switching (ZVS) full-bridge PWM
controller. Like Intersil’s ISL6551, it achieves ZVS operation
by driving the upper bridge FETs at a fixed 50% duty cycle
while the lower bridge FETs are trailing-edge modulated with
adjustable resonant switching delays. Compared to the more
familiar phase-shifted control method, this algorithm offers
equivalent efficiency and improved overcurrent and light-
load performance with less complexity in a lower pin count
package.
The ISL6752 features complemented PWM outputs for
synchronous rectifier (SR) control. The complemented
outputs may be dynamically advanced or delayed relative to
the PWM outputs using an external control voltage.
This advanced BiCMOS design features precision deadtime
and resonant delay control, and an oscillator adjustable to
2MHz operating frequency. Additionally, Multi-Pulse
Suppression ensures alternating output pulses at low duty
cycles where pulse skipping may occur.
Features
Adjustable Resonant Delay for ZVS Operation
Synchronous Rectifier Control Outputs with Adjustable
Delay/Advance
Current-Mode Control
3% Current Limit Threshold
Adjustable Deadtime Control
175μA Startup Current
Supply UVLO
Adjustable Oscillator Frequency Up to 2MHz
Internal Over Temperature Protection
Buffered Oscillator Sawtooth Output
Fast Current Sense to Output Delay
Adjustable Cycle-by-Cycle Peak Current Limit
70ns Leading Edge Blanking
Multi-Pulse Suppression
Pb-Free (RoHS Compliant)
ELV, WEEE, and RoHS Compliant
Applications
ZVS Full-Bridge Converters
Telecom and Datacom Power
Wireless Base Station Power
File Server Power
Industrial Power Systems
Pinout
ISL6752 (QSOP)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL6752AAZA
(Note)
-40 to 105
16 Ld QSOP
(Pb-free)
M16.15A
Add -T suffix to part number for tape and reel packaging.
NOTE: Intersil Pb-free 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.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
VADJ
VREF
VERR
CTBUF
RTD
RESDEL
CS
CT
VDD
OUTLR
OUTUL
OUTUR
OUTLLN
OUTLRN
GND
OUTLL
Data Sheet
March 10, 2005
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| ISL6753AAZA | Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6752/54EVAL1Z | 功能描述:BOARD DEMO FOR ISL6752 ISL6754 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開(kāi)關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| ISL6752AAZA | 功能描述:IC REG CTRLR PWM CM 16-QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:75 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.3 V ~ 13.5 V 降壓:是 升壓:是 回掃:是 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:0°C ~ 70°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:管件 產(chǎn)品目錄頁(yè)面:1051 (CN2011-ZH PDF) 其它名稱:296-2543-5 |
| ISL6752AAZAR5325 | 制造商:Intersil Corporation 功能描述:- Rail/Tube |
| ISL6752AAZA-T | 功能描述:IC REG CTRLR PWM CM 16-QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無(wú) 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 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) |
| ISL6752AAZA-TR5325 | 制造商:Intersil Corporation 功能描述:ZVS Full-Bridge Current-Mode PWM with Adjustable Synchronous Rectifier Control |
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