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參數(shù)資料
| 型號： | ISL6549HI-EVAL1 |
| 廠商： | Intersil Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| 中文描述： | 單電源雙12V輸入同步整流降壓穩(wěn)壓器和線性電源的PWM控制器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 420K |
| 代理商： | ISL6549HI-EVAL1 |
1
ISL6549
Single 12V Input Supply Dual Regulator —
Synchronous Rectified Buck PWM and
Linear Power Controller
The ISL6549 provides the power control and protection for
two output voltages in high-performance applications. The
dual-output controller drives two N-Channel MOSFETs in a
synchronous rectified buck converter topology and one
N-Channel MOSFET in a linear configuration. The controller is
ideal for applications where regulation of both the processing
unit and memory supplies is required.
The synchronous rectified buck converter incorporates
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
±
1% 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 75% of the nominal output level, both converters are
shut off and go into retry mode.
The ISL6549 is available in a 14 Ld SOIC package,
16 Ld QSOP, or 16 Ld 4x4 QFN packages.
Related Literature
Technical Brief TB363
Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)
Ordering Information
Features
Single 12V bias supply (no 5V supply is required)
Provides two regulated voltages
- One synchronous rectified buck PWM controller
- One linear controller
Both controllers drive low cost N-Channel MOSFETs
Small converter size
- Adjustable frequency 150kHz to 1MHz
- Small external component count
Excellent output voltage regulation
- Both outputs: ±1% over temperature
12V down conversion
PWM and linear output voltage range: down to 0.8V
Simple single-loop voltage-mode PWM control design
Fast PWM converter transient response
- High-bandwidth error amplifier
Undervoltage fault monitoring on both outputs
Pb-free plus anneal available (RoHS compliant)
Applications
Processor and memory supplies
ASIC power supplies
Embedded processor and I/O supplies
DSP supplies
PART NUMBER
PART MARKING
TEMP. RANGE (°C)
PACKAGE
PKG. DWG. #
ISL6549CB
ISL6549CB
0 to 70
14 Ld SOIC
M14.15
ISL6549CBZ (Note)
6549CBZ
0 to 70
14 Ld SOIC (Pb-free)
M14.15
ISL6549CR
ISL6549CR
0 to 70
16 Ld 4x4 QFN
L16.4x4
ISL6549CRZ (Note)
6549CRZ
0 to 70
16 Ld 4x4 QFN (Pb-free)
L16.4x4
ISL6549CA
ISL6549CA
0 to 70
16 Ld QSOP
M16.15A
ISL6549CAZ (Note)
6549CAZ
0 to 70
16 Ld QSOP (Pb-free)
M16.15A
ISL6549CAZA (Note)
6549CAZ
0 to 70
16 Ld QSOP (Pb-free)
M16.15A
ISL6549IBZ (Note)
6549IBZ
-40 to 85
14 Ld SOIC (Pb-free)
M14.15
ISL6549IRZ (Note)
6549IRZ
-40 to 85
16 Ld 4x4 QFN (Pb-free)
L16.4x4
ISL6549IAZ (Note)
6549IAZ
-40 to 85
16 Ld QSOP (Pb-free)
M16.15A
ISL6549LOW-EVAL1
Evaluation Board 1-5A
ISL6549HI-EVAL1
Evaluation Board up to 20A
Add “-T” suffix for tape and reel.
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.
Data Sheet
September 22, 2006
FN9168.2
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 trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL6549IAZ | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6549IBZ | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6549IRZ | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6549LOW-EVAL1 | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6550 | 500-mA Peak Step-Up, Step-Down, Inverting Switching Voltage Regulator 14-TSSOP 0 to 70 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6549IAZ | 功能描述:IC REG DL BCK/LINEAR 16-QSOP 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） 供應商設備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
| ISL6549IAZ-T | 功能描述:IC REG DL BCK/LINEAR 16-QSOP 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:* 供應商設備封裝:* 包裝:* |
| ISL6549IBZ | 功能描述:IC REG DL BCK/LINEAR 14-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） 供應商設備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
| ISL6549IBZ-T | 功能描述:IC REG DL BCK/LINEAR 14-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:* 供應商設備封裝:* 包裝:* |
| ISL6549IRZ | 功能描述:IC REG DL BCK/LINEAR SYNC 16-QFN 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） 供應商設備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
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