参数资料
| 型号： | ISL9105IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.6A 8DFN |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 5.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.6MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-DFN（2x3） |
| 产品目录页面： | 1244 (CN2011-ZH PDF) |
| 其它名称： | ISL9105IRZ-TDKR |
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ISL9105
Data Sheet
March 28, 2008
FN6415.2
600mA Low Quiescent Current 1.6MHz
High Efficiency Synchronous Buck
Regulator
ISL9105 is a 600mA, 1.6MHz step-down regulator that is
ideal for powering low-voltage microprocessors in handheld
devices such as PDAs and cellular phones. It is optimized
for generating low output voltages down to 0.8V. The supply
voltage range is from 2.7V to 5.5V, allowing for the use of a
single Li+ cell, three NiMH cells or a regulated 5V input. It
has a guaranteed minimum output current of 600mA.
1.6MHz pulse-width modulation (PWM) switching frequency
allows for use of small external components. It has flexible
operation mode selection of forced PWM mode and low IQ
mode with typical 25μA quiescent current for highest light
load efficiency to maximize battery life.
The ISL9105 includes a pair of low ON-resistance
P-Channel and N-Channel internal MOSFETs to maximize
efficiency and minimize external component count. 100%
duty-cycle operation allows less than 200mV dropout voltage
at 600mA output current.
The ISL9105 offers a typical 216ms Power-On-Reset (POR)
timer at power-up. The timer output can be reset by RSI.
When shutdown, ISL9105 discharges the output capacitor.
Other features include internal digital soft-start, enable for
power sequence, overcurrent protection, and thermal
shutdown.
The ISL9105 is offered in a 2mmx3mm 8 Ld DFN package
with 1mm maximum height. The complete converter
occupies less than 1cm 2 area.
Ordering Information
TEMP.
Features
? High Efficiency Synchronous Buck Regulator with up to
95% Efficiency
? Selectable Forced PWM Mode and SKIP Mode
? 25μA Quiescent Supply Current in SKIP Mode
? 2.7V to 5.5V Supply Voltage
? 216ms POR Timer
? 3% Output Accuracy Over Temperature/Line/Load
? 600mA Guaranteed Output Current
? Less than 1μA Logic Controlled Shutdown Current
? 100% Maximum Duty Cycle for Lowest Dropout
? Discharge Output Capacitor when Shutdown
? Internal Loop Compensation
? Internal Digital Soft-Start
? Peak Current Limit Protection, Short Circuit Protection
? Over-Temperature Protection
? Enable
? Small 8 Ld 2mmx3mm DFN
? Pb-free (RoHS Compliant)
Applications
? Single Li-Ion Battery-Powered Equipment
? DSP Core Power
? PDAs and Palmtops
PART NUMBER
(NOTE)
PART
MARKING
RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
Pinout
ISL9105
ISL9105IRZ-T*
05Z
-40 to +85 8 Ld 2x3 DFN L8.2x3
(8 LD DFN)
NOTE: These Intersil Pb-free plastic packaged products employ
TOP VIEW
special Pb-free material sets; molding compounds/die attach materials
and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which
is 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.
VIN
EN
POR
MODE
1
2
3
4
8
7
6
5
PHASE
GND
FB
RSI
1
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. 2006-2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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| ISL9106IRZ | 功能描述:IC REG BUCK SYNC ADJ 1.2A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:50 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:5 V ~ 25 V 输入电压:2.3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:600kHz，1.2MHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 包装:管件 供应商设备封装:8-MSOP |
| ISL9106IRZ-T | 功能描述:IC REG BUCK SYNC ADJ 1.2A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:1,000 系列:- 类型:降压（降压） 输出类型:可调式 输出数:1 输出电压:0.6 V ~ 4.5 V 输入电压:3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:3MHz 电流 - 输出:1.5A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 供应商设备封装:6-LLP-EP（3x3） 产品目录页面:1300 (CN2011-ZH PDF) 其它名称:LM2831ZSDLM2831ZSDTR |
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