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| 型号： | ISL6412 |
| 厂商： | Intersil Corporation |
| 英文描述： | Hex Inverters 14-SSOP -40 to 85 |
| 中文描述： | 三路输出，低噪声LDO稳压器集成复位电路 |
| 文件页数： | 1/10页 |
| 文件大小： | 182K |
| 代理商： | ISL6412 |
1
FN9067.0
ISL6412
Triple Output, Low-Noise LDO Regulator
with Integrated Reset Circuit
The ISL6412 is an ultra low noise triple output LDO regulator
with microprocessor reset circuit and is optimized for
powering wireless chip sets. The IC accepts an input voltage
range of 3.0V to 3.6V and provides three regulated output
voltages: 1.8V (LDO1), 2.8V (LDO2), and another ultra-
clean 2.8V (LDO3). On chip logic provides sequencing
between LDO1 and LDO2 for the BBP/MAC and the I/O
supply voltage outputs. LDO3 features ultra low noise that
does not typically exceed 30V RMS to aid VCO stability.
High integration and the thin Quad Flat No-lead (QFN)
package makes the ISL6412 an ideal choice to power many
of today’s small form factor industry standard wireless cards
such as PCMCIA, mini-PCI and Cardbus-32.
The ISL6412 uses an internal PMOS transistor as the pass
device. The ISL6412 also integrates a reset function, which
eliminates the need for the additional reset IC required in
WLAN applications. The IC asserts a RESET signal
whenever the VIN supply voltage drops below a preset
threshold, keeping it asserted for at least 25ms after Vin has
risen above the reset threshold. FAULT1 indicates the loss
of regulation on LDO1.
Features
Small DC/DC Converter Size
- Three LDOs and Reset Circuitry in a Low-Profile
4x4mm QFN Package
High Output Current
- LDO1, 1.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330mA
- LDO2, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225mA
- LDO3, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125mA
Ultra-Low Dropout Voltage
- LDO2, 2.8V. . . . . . . . . . . . . . . . 125mV (typ.) at 225mA
- LDO3, 2.8V. . . . . . . . . . . . . . . . 100mV (typ.) at 125mA
Ultra-Low Output Voltage Noise
-<30
V
RMS (typ.) for LDO3 (VCO Supply)
Stable with Smaller Ceramic Output Capacitors
Extensive Protection and Monitoring Features
- Over current protection
- Short circuit protection
- Thermal shutdown
- FAULT indicator
Logic-Controlled Shutdown Pin
Integrated Microprocessor Reset Circuit
- Programmable Reset Delay
Proven Reference Design for a Total WLAN System
Solution
QFN Package
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat
No Leads - Product Outline
- Near Chip-Scale Package Footprint Improves PCB
Efficiency and Is Thinner in Profile
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
PRISM 3 Chipsets – ISL37106P
WLAN Cards
- PCMCIA, Cardbus32, MiniPCI Cards
- Compact Flash Cards
Liberty Chipset
Hand-Held Instruments
Ordering Information
PART NUMBER
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL6412IR
-40 to +85
16 Ld 4x4 QFN L16.4x4
ISL6412IR-TK
-40 to +85
16 Ld 4x4 QFN L16.4x4
ISL6412IR-T5K
-40 to +85
16 Ld 4x4 QFN L16.4x4
ISL6412IRZ
(Note)
-40 to +85
16 Ld 4x4 QFN
(Pb-free)
L16.4x4
ISL6412IRZ-TK
(Note)
-40 to +85
16 Ld 4x4 QFN
(Pb-free)
L16.4x4
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
January 2004
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 registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004. All Rights Reserved.
All Rights Reserved. PRISM 3 and PRISM GT are trademarks of GlobespanVirata, Inc.
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6412IR | 功能描述:IC REG LDO 1.8V/2.8V/2.8V 16-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5.5 V 输入电压:1.7 V ~ 5.5 V 电压 - 压降（标准）:0.075V @ 400mA 稳压器数量:1 电流 - 输出:400mA（最小值） 电流 - 限制（最小）:400mA 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:296-20789-2V62/06626-01XE |
| ISL6412IR-T5K | 功能描述:IC REG LDO 1.8V/2.8V/2.8V 16-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5.5 V 输入电压:1.7 V ~ 5.5 V 电压 - 压降（标准）:0.075V @ 400mA 稳压器数量:1 电流 - 输出:400mA（最小值） 电流 - 限制（最小）:400mA 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:296-20789-2V62/06626-01XE |
| ISL6412IR-TK | 功能描述:IC REG LDO 1.8V/2.8V/2.8V 16-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5.5 V 输入电压:1.7 V ~ 5.5 V 电压 - 压降（标准）:0.075V @ 400mA 稳压器数量:1 电流 - 输出:400mA（最小值） 电流 - 限制（最小）:400mA 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:296-20789-2V62/06626-01XE |
| ISL6412IRZ | 功能描述:低压差稳压器 - LDO VER OF ISL6412IR RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| ISL6412IRZ-TK | 功能描述:低压差稳压器 - LDO VER OF ISL6412IR-T 1 000 PC RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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