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参数资料
| 型号： | ISL6224CAZA |
| 厂商： | INTERSIL CORP |
| 元件分类： | 稳压器 |
| 英文描述： | Single Output Mobile-Friendly PWM Controller |
| 中文描述： | SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | LEAD FREE, PLASTIC, SSOP-16 |
| 文件页数： | 1/13页 |
| 文件大小： | 378K |
| 代理商： | ISL6224CAZA |
1
ISL6224
Single Output Mobile-Friendly PWM
Controller
The ISL6224 provides power control and protection for a single,
adjustable output voltage required to power chip-sets and
memory banks in high-performance notebooks and PDAs. This
output voltage is adjustable in the range from 0.9-5.5V.
The hysteretic or PWM controller regulates the output
voltage from battery voltages ranging from 4V to 24V.
Synchronous rectification and hysteretic operation at light
loads contribute to a high efficiency over a wide range of
input voltages and loads. Efficiency is even further enhanced
by using MOSFET’s r
DS(ON
) as a current sense component.
Feed-forward ramp modulation, average current mode
control and internal feed-back compensation provide fast
and firm handling of transients when powering advanced
chip sets.
Two-stage conversion using system 5V voltage is possible at
a higher frequency (600kHz) to minimize the output filter size.
The ISL6224 monitors the output voltage. A PGOOD (power
good) signal is issued when soft-start is completed and the
output is within ±10% of the set point.
A built-in overvoltage protection prevents output voltage
from going above 120% of the set point. Undervoltage
protection latches the chip off when the output drops below
70% of its setting value after soft-start sequence is
completed. The PWM controller’s overcurrent circuitry
monitors the output current by sensing the voltage drop
across the lower MOSFET. If higher precision sense
technique is required, an optional external current-sense
resistor may be used.
Features
Adjustable output voltgage: 0.9-5.5V
High efficiency over wide load range
- Higher efficiency in hysteretic mode at light load
Lossless current sense scheme
- Uses MOSFET’s r
DS(ON)
- Optional current sense method higher precision
Supply operation mode
- Wide V
IN
range: 4V-24V
- Single 5V system rail
Input undervoltage lock-out on VCC pin(UVLO)
Excellent dynamic response
- Combined voltage feed-forward and current mode
control
Power-Good indicator
300/600kHz switching frequency
Thermal shut-down
Pb-Free Available (RoHS Compliant)
Applications
Mobile PCs
Graphic cards
Hand-held portable instruments
Related Literature
Application Note AN9983
Pinout
ISL6224 (SSOP)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. (°C)
PACKAGE
PKG. DWG. #
ISL6224CA
-10 to 85
16 Ld SSOP
M16.15A
ISL6224CAZ
(Note 1)
-10 to 85
16 Ld SSOP
(Pb-free)
M16.15A
ISL6224CAZA
(Note 1)
-10 to 85
16 Ld SSOP
(Pb-free)
M16.15A
NOTE:
1. 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.
2. Add “-T” for Tape and Reel.
EN
GND
ISEN
VCC
VSEN
LGATE
PGND
VIN
BOOT
UGATE
PHASE
PGOOD
14
13
12
11
10
9
1
2
3
4
5
6
7
8
SOFT
OCSET
15
16
VOUT
FCCM
FN9042.7
Data Sheet
December 28, 2004
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 registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
相关PDF资料 |
PDF描述 |
|---|---|
| ISL6225CAZ | Dual Mobile-Friendly PWM Controller with DDR Memory Option |
| ISL6225CAZA-T | Circular Connector; No. of Contacts:5; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:22-34 RoHS Compliant: No |
| ISL6225CAZ-T | KJ SERIES II |
| ISL6225 | Dual Mobile-Friendly PWM Controller with DDR Memory Option(带DDR存储器选项的双移动型PWM控制器) |
| ISL6225CA | Octal D-Type Transparent Latches With 3-State Outputs 20-SSOP -40 to 85 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6224CAZA-T | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Single Output Mobile-Friendly PWM Controller |
| ISL6224CAZ-T | 功能描述:电流型 PWM 控制器 MOBILE PWM CNTRLR 16-PIN SSOP 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 |
| ISL6224EVAL1 | 制造商:Intersil Corporation 功能描述:DEV TOOLS, EVAL BD FOR SGL OUTPUT MOBILE-FRIENDLY PWM CNTRLR - Bulk |
| ISL6225 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual Mobile-Friendly PWM Controller with DDR Memory Option |
| ISL6225BCA-T | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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