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参数资料
| 型号： | LT3663HMS8E-5#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.5 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | LEAD FREE, PLASTIC, MSOP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 188K |
| 代理商： | LT3663HMS8E-5#PBF |
LT3663
1
3663fb
OUTPUT CURRENT (A)
0.1
EFFICIENCY
(%)
100
90
80
70
60
50
40
0.5
0.9
0.3
0.7
1.1
3663 TA01b
1.3
VIN = 15V
VIN = 8V
VIN = 30V
TYPICAL APPLICATION
DESCRIPTION
1.2A Step-Down
Switching Regulator with
Output Current Limit
The LT3663 is a current mode step-down switching regu-
lator with programmable output current limit. The current
limit accurately controls the system power dissipation and
reduces the size of the power path components.
The wide operating input voltage range of 7.5V to 36V (60V
transient) suits the LT3663 to a variety of input sources,
including unregulated 12V wall adapters, 24V industrial
supplies, and automotive power.
The LT3663 includes a low current shutdown mode, input
overvoltage and undervoltage lockout, and thermal shut-
down. Internal compensation and boost diode minimize the
number of external exponents. 3.3V and 5V xed output
voltage versions are available.
The LT3663 is available in 8-lead DFN and MSOP packages
with exposed pads for low thermal resistance.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
5V Step-Down Converter
FEATURES
APPLICATIONS
n Wide Input Range:
Operation from 7.5V to 36V
Overvoltage Lockout Protects Circuit through 60V
Transients
n Programmable Output Current Limit (0.4A to 1.2A)
n 3.3V and 5V Fixed Output Voltage Options
n Integrated Boost Diode
n Fixed Frequency, Peak Current Mode Control
LT3663 fSW = 1.5MHz
LT3663-X fSW = 1MHZ
n Low Switch VCESAT: 275mV at 1A
n Internally Compensated
n Thermal Protection
n Thermally Enhanced 8-Pin 2mm × 3mm DFN and
MSOP Packages
n Distributed Supply Regulation
n Automotive Battery Regulation
n Industrial Supplies
n Wall Transformer Regulation
Efciency
3663 TA01
LT3663
VIN
RUN
ILIM
BOOST
SW
GND
0.1μF
2.2μF
22μF
59k
28.7k
11k
6.8μH
ISENSE
VOUT
FB
ON OFF
相关PDF资料 |
PDF描述 |
|---|---|
| LT3663IMS8E-3.3#TRPBF | 2.5 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3663IDCB-3.3#TRPBF | 2.5 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3663HMS8E#PBF | 2.5 A SWITCHING REGULATOR, 1650 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3681EDE#TR | 4.4 A SWITCHING REGULATOR, 3100 kHz SWITCHING FREQ-MAX, PDSO14 |
| LT3681EDE | 4.4 A SWITCHING REGULATOR, 3100 kHz SWITCHING FREQ-MAX, PDSO14 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3663IDCB#TRMPBF | 功能描述:IC REG BUCK ADJ 1.2A 8DFN 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:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3663IDCB#TRPBF | 功能描述:IC REG BUCK ADJ 1.2A 8DFN 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:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3663IDCB-5#TRMPBF | 制造商:Linear Technology 功能描述: |
| LT3663IDCB-5#TRPBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 7.5V to 36V 8-Pin DFN EP T/R |
| LT3663IMS8E#PBF | 功能描述:IC REG BUCK ADJ 1.2A 8MSOP 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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
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