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參數資料
| 型號： | ISL6527AIB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Marine Lamp, 4 in x 6 in [101,6 mm x 152,4 mm], Spot Beam Pattern, 24 Vdc/60 W/2.5 A, Flush mounting |
| 中文描述： | SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, MS-012AB, SOIC-14 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 403K |
| 代理商： | ISL6527AIB |
1
FN9056.7
ISL6527
Single Synchronous Buck Pulse-Width
Modulation (PWM) Controller
The ISL6527 makes simple work out of implementing a
complete control and protection scheme for a DC-DC
stepdown converter. Designed to drive N-Channel
MOSFETs in a synchronous buck topology, the ISL6527
integrates the control, output adjustment, monitoring and
protection functions into a single package.
The ISL6527 provides simple, single feedback loop, voltage-
mode control with fast transient response. The output voltage
can be regulated to as low as the provided external reference.
A fixed frequency oscillator reduces design complexity, while
balancing typical application cost and efficiency.
The error amplifier features a 15MHz gain-bandwidth
product and 6V/
μ
s slew rate which enables high converter
bandwidth for fast transient performance. The resulting
PWM duty cycles range from 0% to 100%.
Protection from overcurrent conditions is provided by
monitoring the r
DS(ON)
of the upper MOSFET to inhibit PWM
operation appropriately. This approach simplifies the
implementation and improves efficiency by eliminating the
need for a current sense resistor.
Features
Operates from 3.3V to 5V input
Utilizes an external reference
Drives N-Channel MOSFETs
Simple single-loop control design
- Voltage-mode PWM control
Fast transient response
- High-bandwidth error amplifier
- Full 0% to 100% duty cycle
Lossless, programmable overcurrent protection
- Uses upper MOSFET’s r
DS(ON)
Converter can source and sink current
Small converter size
- Internal fixed frequency oscillator
-
ISL6527: 300kHz
-
ISL6527A: 600kHz
- Internal soft-start
- 14 Lead SOIC or 16 Lead, 5x5 QFN
QFN Package:
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat
No Leads - Package Outline
- Near Chip Scale Package footprint, which improves
PCB efficiency and has a thinner profile
Pb-Free Available (RoHS Compliant)
Applications
Power supplies for microprocessors
- PCs
- Embedded controllers
Subsystem power supplies
- PCI/AGP/GTL+ busses
- ACPI power control
- DDR SDRAM bus termination supply
Cable modems, set top boxes, and DSL modems
DSP and core communications processor supplies
Memory supplies
Personal computer peripherals
Industrial power supplies
3.3V-input DC-DC regulators
Low-voltage distributed power supplies
Data Sheet
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. 2003-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
April 8, 2005
相關PDF資料 |
PDF描述 |
|---|---|
| ISL6527AIBZ | Marine Lamp, 4 in x 6 in [101,6 mm x 152,4 mm], Spot Beam Pattern, 24 Vdc/60 W/2.5 A, Stud mounting |
| ISL6527AIBZ-T | Replacement Sealed Beams, 3.5 in x 5 in [76,2 mm x 127,0 mm], Trapezoid Beam Pattern, 12 Vdc/50 W/4 A |
| ISL6527CB-T | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| ISL6527EVAL1 | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| ISL6527IR-T | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISL6527AIB-T | 功能描述:IC REG CTRLR BST PWM VM 14-SOIC 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:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| ISL6527AIBZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| ISL6527AIR | 功能描述:IC REG CTRLR BST PWM VM 16-QFN 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:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| ISL6527AIR-T | 功能描述:IC REG CTRLR BST PWM VM 16-QFN 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:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| ISL6527AIRZ | 功能描述:電壓模式 PWM 控制器 600KHZ SNG PWM CONTR LR W/EXT. REF. 16LD RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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