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參數(shù)資料
| 型號(hào)： | ISL6432EVAL1 |
| 廠商： | Intersil Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | PWM and Triple Linear Power Controller for Home Gateway Applications |
| 中文描述： | PWM和三線性電源控制器，用于家庭網(wǎng)關(guān)應(yīng)用 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 276K |
| 代理商： | ISL6432EVAL1 |
1
TM
File Number
9019
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 trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2001, All Rights Reserved
ISL6432
PWM and Triple Linear Power Controller
for Home Gateway Applications
The ISL6432 provides the power control and protection for
four output voltages for use with high-performance
microprocessor and embedded controller based
communications chip sets. The IC integrates a voltage-mode
PWM controller and three linear controllers, as well as
monitoring and protection functions into a 16-lead SOIC
package. The PWM controller is intended to regulate the
microprocessor memory core voltage with a synchronous-
rectified buck converter. The linear controllers can be
configured to generate DSP power, as well as upstream and
downstream voltages. Both the switching regulator and
linear voltage references provide
±
2% of static regulation
over line, load, and temperature ranges. All outputs are user-
adjustable by means of an external resistor divider. All linear
controllers employ bipolar NPNs for the pass transistors.
The ISL6432 monitors all the output voltages. The PWM
controller’s adjustable overcurrent function monitors the
output current by using the voltage drop across the upper
MOSFET’s r
DS(ON)
. The linear regulator outputs are
monitored via the FB pins for undervoltage events.
Applications
Low-Power Distributed DC-DC Conversion
Cable Modem and DSL Modem Power Regulation
High Performance Memory Applications
Features
Provides 4 Regulated Voltages
- Memory Core, Embedded Controller/DSP, Tuner
Drives Bipolar Linear Pass Transistors
Externally Resistor-Adjustable Outputs
Simple Single-Loop Control Design
- Voltage-Mode PWM Control
Fast PWM Converter Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratio
Excellent Output Voltage Regulation
- All Outputs:
±
2% Over Temperature
Overcurrent Fault Monitors
- Switching Regulator Does Not Require Extra Current
Sensing Element, Uses MOSFET’s r
DS(ON)
Small Converter Size
- 300kHz Constant Frequency Operation
- Small External Component Count
ACPI Compatible
Voltage Sequencing
Pinout
ISL6432 (SOIC)
TOP VIEW
Ordering Information
PART NUMBER TEMP. RANGE (
o
C)
PACKAGE
PKG.
NO.
ISL6432CB
0 to 70
16 Ld SOIC
M16.15
ISL6432EVAL1
Evaluation Board
DRIVE2
FB2
FB
COMP
FB3
OCSET
DRIVE4
FB4
DRIVE3
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
UGATE
GND
LGATE
PHASE
BOOT
VCC
PGND
Data Sheet
June 2001
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| ISL6436LIB | 功能描述:IC CTRLR PS USB DUAL PORT 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
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