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參數(shù)資料
| 型號： | ISL6528CB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Adjustable Precision Shunt Regulator 5-SOT-23 -40 to 125 |
| 中文描述： | SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, MS-012-AA, SOIC-8 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 390K |
| 代理商： | ISL6528CB |
1
FN9038.3
ISL6528
Dual Regulator - Standard Buck PWM
and Linear Power Controller
The ISL6528 provides the power control and protection for
two output voltages in high-performance graphics cards and
other embedded processor applications. The dual-output
controller drives an N-Channel MOSFET in a standard buck
topology and a NPN pass transistor in a linear configuration.
The ISL6528 provides both a regulated high current, low
voltage supply and an independent, lower current supply
integrated in an 8-lead SOIC package. The controller is ideal
for graphics card applications where both graphics
processing unit (GPU) and memory supplies are required.
The standard buck converter is a simple, single feedback
loop, voltage-mode control with fast transient response. Both
the switching regulator and linear regulator provide a
maximum static regulation tolerance of ±2% over line, load,
and temperature ranges. Each output is user-adjustable by
means of external resistors.
An integrated soft-start feature brings both supplies into
regulation in a controlled manner. Each output is monitored
via the FB pins for undervoltage events. If either output
drops below 52.5% of the internal reference voltage, both
regulators are shutdown.
Features
Pb-Free Available (RoHS Compliant)
Provides two regulated voltages
- One standard buck PWM
- One linear controller
Small converter size
- 600kHz constant frequency operation
- Small external component count
Excellent output voltage regulation
- Both outputs: ±2% over temperature
Single 5V bias and bootstrap supply
Output voltage range: 0.8V to 3.3V
Simple single-loop voltage-mode PWM control design
Fast PWM converter transient response
- High-bandwidth error amplifier
- Full 0–100% duty ratio
Linear controller drives bipolar linear pass transistor
Fully-adjustable outputs
Undervoltage fault monitoring on both outputs
Applications
Graphics–GPU and memory supplies
ASIC power supplies
Embedded processor and I/O supplies
DSP supplies
Related Literature
Technical Brief TB363
Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)
Pinout
ISL6528
(SOIC)
TOP VIEW
Ordering Information
PART NUMBER TEMP. RANGE (
o
C)
PACKAGE
PKG.
DWG. #
ISL6528CB
0 to 70
8 Ld SOIC
M8.15
ISL6528CB-T
8Ld SOIC Tape and Reel
ISL6528CBZ
(See Note)
0 to 70
8 Ld SOIC
(Pb-free)
M8.15
ISL6528CBZ-T
(See Note)
8Ld SOIC Tape and Reel (Pb-free)
ISL6528EVAL1
Evaluation Board
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.
GND
VCC
DRIVE2
FB2
UGATE
FB
COMP
BOOT
8
7
6
5
1
2
3
4
Data Sheet
December 28, 2004
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. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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| ISL6528CBZ-T | Dual Regulator - Standard Buck PWM and Linear Power Controller |
| ISL6528CB-T | Dual Regulator - Standard Buck PWM and Linear Power Controller |
| ISL6529ACBZ | Adjustable Precision Shunt Regulator 3-SOT-23 -40 to 125 |
| ISL6529CB-T | Dual Regulator.Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6529CR-T | Dual Regulator.Synchronous Rectified Buck PWM and Linear Power Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6528CB-T | 功能描述:電壓模式 PWM 控制器 Buck Linear Power RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)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 |
| ISL6528CBZ | 功能描述:IC REG DL BCK/LINEAR SYNC 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)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(shù):3 頻率 - 開關(guān):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(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)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(yīng)商設(shè)備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
| ISL6528CBZS2698 | 功能描述:IC REG DL BCK/LINEAR SYNC 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)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(shù):3 頻率 - 開關(guān):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(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)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(yīng)商設(shè)備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
| ISL6528CBZ-T | 功能描述:IC REG DL BCK/LINEAR SYNC 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)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(shù):5 頻率 - 開關(guān):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(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)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(yīng)商設(shè)備封裝:* 包裝:* |
| ISL6528CBZ-TS2698 | 功能描述:IC REG DL BCK/LINEAR SYNC 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)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(shù):5 頻率 - 開關(guān):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(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)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(yīng)商設(shè)備封裝:* 包裝:* |
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