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參數資料
| 型號： | ISL6520IBZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| 中文描述： | SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 353K |
| 代理商： | ISL6520IBZ-T |
1
FN9083.2
ISL6520B
Single Synchronous Buck Pulse-Width
Modulation (PWM) Controller
The ISL6520B makes simple work out of implementing a
complete control scheme for a DC-DC stepdown converter.
Designed to drive N-channel MOSFETs in a synchronous
buck topology, the ISL6520B integrates the control, output
adjustment and monitoring functions into a single 8-Lead
package.
The ISL6520B provides simple, single feedback loop,
voltage-mode control with fast transient response. The
output voltage can be precisely regulated to as low as 0.8V,
with a maximum tolerance of
±
1.5% over temperature and
line voltage variations. A fixed frequency oscillator reduces
design complexity, while balancing typical application cost
and efficiency.
The error amplifier features a 15MHz gain-bandwidth
product and 8V/
μ
s slew rate which enables high converter
bandwidth for fast transient performance. The resulting PWM
duty cycles range from 0% to 100%.
Pinouts
Features
Operates from +5V Input
0.8V to V
IN
Output Range
- 0.8V Internal Reference
- ±1.5% Over Line Voltage and Temperature
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
Small Converter Size
- 300kHz Fixed Frequency Oscillator
- Internal Soft Start
- 8 Ld SOIC or 16Ld 4x4mm 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+ Buses
- ACPI Power Control
- SSTL-2 and 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
5V-Input DC-DC Regulators
Low-Voltage Distributed Power Supplies
5
6
8
7
4
3
2
1
UGATE
GND
PHASE
FB
VCC
COMP/SD
BOOT
LGATE
NC
COMP/SD
NC
FB
BOOT
UGATE
GND
NC
N
N
P
N
L
N
V
N
ISL6520B (8 LD SOIC)
TOP VIEW
ISL6520B (16 LD QFN)
TOP VIEW
1
3
4
15
16
14
13
2
12
10
9
11
6
5
7
8
Data Sheet
January 20, 2005
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
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.
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| ISL6520EVAL1 | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| ISL6520IBZ | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| ISL6520BCRZ-T | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| ISL6520CR-T | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
| ISL6520IB-T | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISL6520IR | 功能描述:IC REG CTRLR BUCK 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) |
| ISL6520IR-T | 功能描述:IC REG CTRLR BUCK 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) |
| ISL6521CB | 功能描述:IC REG QD BCK/LINEAR 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（2），線性（LDO）（1） 功能:任何功能 輸出數:3 頻率 - 開關:300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅動器:無 帶監控器:無 帶序列發生器:是 電源電壓:4.5 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:28-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
| ISL6521CB-T | 功能描述:IC REG QD BCK/LINEAR 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數:5 頻率 - 開關:300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅動器:無 帶監控器:無 帶序列發生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:* |
| ISL6521CBZ | 功能描述:電壓模式 PWM 控制器 4 IN 1 PWM/LINEAR CNTRLR 5V 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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