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| 型号： | ISL6401CB |
| 厂商： | Intersil |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM CM 14-SOIC |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 600kHz |
| 占空比： | 50% |
| 电源电压： | 4.5 V ~ 5.5 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 产品目录页面： | 1243 (CN2011-ZH PDF) |
?
ISL6401
Data Sheet
April 13, 2005
FN9007.7
Synchronizing Current Mode PWM for
Subscriber Line Interface Circuits (SLICs)
The ISL6401 adjustable frequency, low power, pulse width
modulating (PWM) current mode controller is designed for a
wide range of DC/DC conversion applications including
boost, flyback, and isolated output configurations. The
device is optimized to provide a high performance, low-cost
solution for Ringing SLIC (RSLIC) ring and talk power
supplies. An integrated inverter allows for easy design of
negative voltage regulation circuits with a minimal amount of
external components. Internal soft-start minimizes start-up
stress without any external components. Peak current mode
control effectively handles Ring trip transients and provides
inherent overcurrent protection.
This advanced BiCMOS design features low operating
current, adjustable operating output frequency (50kHz to
600kHz), internal soft-start and a SYNC input that allows the
oscillator to be locked to an external clock for noise sensitive
applications. DC/DC conversion efficiency is optimized by
use of a low current sense voltage. A logic level shutdown
input is included, which reduces supply current to 55 μ A in
the shutdown mode.
Pinouts
ISL6401 (SOIC)
TOP VIEW
Features
? Positive and Negative Output Regulation
? Starting Supply Current . . . . . . . . . . . . . . . . . 100 μ A (typ.)
? Quiescent Current . . . . . . . . . . . . . . . . . . . . . . 55 μ A (typ.)
? Output Frequency Range. . . . . . . . . . . . 50kHz to 600kHz
? External Clock Synchronization
? Fast Transient Response with Peak Current Mode Control
? Internal Soft-Start
? Drives N-Channel MOSFET
? Logic Level Shutdown
? Leading Edge Blanking
? 1% Tolerance Voltage Reference Over Line and
Temperature
? Pb-Free Available (RoHS Compliant)
Applications
? VoIP/VoDSL Ringer and Off-Hook Voltage Generators
? Multi-Output Flyback Supplies
? Cable and DSL Modems
? Set-Top Boxes
SD
1
14 V CC
? Wireless Local Loops
SYNC 2
CT 3
COMP 4
FB 5
NFB OUT 6
13 PV CC
12 GATE
11 PGND
10 GND
9 CS
? LMDH and FTTH Supplies
? Boost Regulators
? Routers
Ordering Information
NFB IN 7
ISL6401 (QFN)
TOP VIEW
8 NC
PART NUMBER
ISL6401CB
ISL6401CBZ (Note)
ISL6401CR
TEMP.
RANGE (°C)
-40 to 85
-40 to 85
-40 to 85
PACKAGE
14 Ld SOIC
14 Ld SOIC (Pb-free)
16 Ld 4x4 QFN
PKG.
DWG. #
M14.15
M14.15
L16.4x4
16
15
14
13
ISL6401CRZ (Note)
-40 to 85
16 Ld 4x4 QFN (Pb-free) L16.4x4
SYNC
CT
COMP
FB
1
2
3
4
12 PGND
11 PGND
10 GND
9 CS
Add -T suffix for tape and reel packaging.
NOTES:
1. The parts with suffix ‘C’ are being tested to the industrial temperature
grade. This has been updated in the table above. The IB and IR parts are
being discontinued. The affected parts are: ISL6401IB, ISL6401IBZ,
ISL6401IB-T, ISL6401IBZ-T, ISL6401IR, ISL6401IRZ, ISL6401IR-T,
ISL6401IRZ-T.
5
6
7
8
2. 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.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2001-2005. All Rights Reserved
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 |
|---|---|
| ISL6401CB-T | 功能描述:电流型 PWM 控制器 RSLIC PWM 0/+70C 14LD RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| ISL6401CBZ | 功能描述:IC REG CTRLR PWM CM 14-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5 |
| ISL6401CBZ-T | 功能描述:IC REG CTRLR PWM CM 14-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:275kHz 占空比:50% 电源电压:18 V ~ 110 V 降压:无 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| ISL6401CR | 功能描述:IC REG CTRLR BST FLYBK ISO 16QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| ISL6401CR-T | 功能描述:IC REG CTRLR BST FLYBK ISO 16QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
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