参数资料
| 型号： | ISL6411EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD ISL6411 |
| 标准包装： | 1 |
| 每 IC 通道数： | 3 - 三 |
| 输出电压： | 1.8V，2.84V，2.84V |
| 电流 - 输出： | 500mA，300mA，200mA |
| 输入电压： | 3 ~ 3.8V |
| 稳压器类型： | 正，固定式 |
| 工作温度： | -40°C ~ 85°C |
| 板类型： | 完全填充 |
| 已供物品： | 板，IC 样品 |
| 已用 IC / 零件： | ISL6411 |
?
Using the ISL6411 Triple LDO Controller
Evaluation Board
PRELIMINARY
Application Note
October 2003
AN1036
Author: Manisha Pandya
Introduction
The ISL6411 integrates three ultra low noise, low dropout
linear regulators providing a highly integrated single-chip
solution for 802.11 wireless chipset architectures. It operates
from 3.0V to 3.8V input and provides preset output voltages -
LDO1 set at 1.8V, LDO2 and LDO3 set at 2.84V.
The device features power sequencing specifically for
wireless chipsets. The outputs are sequenced such that
LDO1, the 1.8V core regulator voltage, is always within
regulation before LDO2, the 2.84V output LDO, is
sequenced on. When powering down, power to the 2.84V
LDO2 is removed before the 1.8V LDO1 core regulator is
sequenced off.
Designed with an internal P-channel MOSFET pass
transistor, the ISL6411 operates with a low supply current.
An output fault detection circuit indicates loss of regulation
on any of the three outputs. Other features include a logic
controlled shutdown mode, short circuit and thermal
shutdown protection, and reverse battery protection.
The ISL6411 also includes a RESET function. Integration of
this function into the ISL6411 eliminates the additional
RESET IC and external support components required in
wireless chipset power supply applications. The IC asserts a
RESET signal whenever the V CC (IN) supply voltage drops
below a preset threshold, keeping it asserted for at least
100ms after V CC (IN) has risen above the reset threshold.
Two RESET outputs are provided; RESET is a push-pull
active-LOW output, while RESET is an active-HIGH output.
Applications
? PRISM? 3 Chipsets – ISL37106P
? WLAN Cards
- PCMCIA, Cardbus32, MiniPCI Cards
- Compact Flash Cards
? Liberty Chipset
ISL6411 Reference Design
TABLE 1. ISL6411 EVALUATION BOARD
Quick Start Evaluation
The evaluation board is shipped “ready to use” right from the
box. The board accepts a 3.3V input from a standard power
supply. The output can be exercised through the use of an
external load.
There are posts available on the board for introducing power
to the board and for drawing current from the regulated
outputs. Post connectors are also available to monitor power
good conditions FAULT (P11), RESET (P9) and RESET
(P10). Posts for Shutdown functions SHDN (P12) and
SHDN3 (P13) allows low power mode function testing.
Each evaluation board kit is sent with 5 samples of
ISL6411CR.
Recommended Test Equipment
To test the functionality of the ISL6411, the following
equipment is recommended:
? An adjustable 0V - 5V, 2A capable bench power supply
? An electronic load
? A Four channel oscilloscope with probes
? A Precision digital multimeter
Power and Load Connections
Input Voltage - Connect the positive lead of the adjustable
bench power supply to the 3.3V post (P3). Connect the
ground lead of the supply to GND post (P4).
Output Voltages - The ISL6411EVAL1 provides fixed
output voltages for use in Wireless Chipset applications.
Internal trimmed resistor networks inside the chip set the
nominal output voltages as below:
V OUT1 = 1.8V (P5)
V OUT2 = 2.84V (P7)
V OUT3 = 2.84V (P1)
The outputs can be exercised through external load on
connectors. The maximum currents are V OUT1 - 500mA,
V OUT2 - 300mA and V OUT3 -200mA.
BOARD NAME
IC PART NUMBER
PACKAGE
Output Loading, Sourcing Current - To load the V OUT1
output connect the positive lead of the electronic load to the
ISL6411EVAL1
ISL6411IR
16-Ld QFN
V OUT1 (P5) post and the return terminal of the same load
channel to the GND (P6) post. Similarly connect the positive
terminal of the second load channel to the V OUT2 (P7) post
and the return terminal to the GND (P8) post to load the
output of LDO2. The LDO3 output can be loaded by
connecting the positive terminal of a third channel of the
electronic load to the V OUT3 (P1) post and the return
terminal to the GND (P2) post.
1
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2003. All Rights Reserved
PRISM? 3 is a trademark of GlobespanVirata, Inc.
All other trademarks mentioned are the property of their respective owners.
相关PDF资料 |
PDF描述 |
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| ISL6413EVAL1 | EVALUATION BOARD ISL6413 |
| ISL6420EVAL3 | EVALUATION BOARD 3 ISL6420 |
| ISL6521EVAL1 | EVALUATION BOARD 1 ISL6521 |
| ISL6531EVAL2 | EVALUATION BOARD 2 ISL6531 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6411IR-TK | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 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 |
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