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LTC3405AES6-1.375#TRM

产品描述开关稳压器 LTC3405A-1.375 - 1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT
产品类别电源/电源管理    电源电路   
文件大小254KB,共12页
制造商ADI(亚德诺半导体)
官网地址https://www.analog.com
下载文档 详细参数 选型对比 全文预览

LTC3405AES6-1.375#TRM概述

开关稳压器 LTC3405A-1.375 - 1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT

LTC3405AES6-1.375#TRM规格参数

参数名称属性值
是否Rohs认证不符合
厂商名称ADI(亚德诺半导体)
包装说明VSSOP,
Reach Compliance Codenot_compliant
ECCN代码EAR99
模拟集成电路 - 其他类型SWITCHING REGULATOR
控制模式CURRENT-MODE
最大输入电压5.5 V
最小输入电压2.5 V
标称输入电压3.6 V
JESD-30 代码R-PDSO-G6
JESD-609代码e0
长度2.9 mm
湿度敏感等级1
功能数量1
端子数量6
最高工作温度70 °C
最低工作温度
最大输出电流0.63 A
封装主体材料PLASTIC/EPOXY
封装代码VSSOP
封装形状RECTANGULAR
封装形式SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度)235
认证状态Not Qualified
座面最大高度1 mm
表面贴装YES
切换器配置BUCK
最大切换频率1800 kHz
温度等级COMMERCIAL
端子面层Tin/Lead (Sn/Pb)
端子形式GULL WING
端子节距0.95 mm
端子位置DUAL
处于峰值回流温度下的最长时间20
宽度1.625 mm

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LTC3405A-1.375
1.375V, 1.5MHz, 300mA
Synchronous Step-Down
Regulators in ThinSOT
FEATURES
DESCRIPTIO
High Efficiency: Up to 90%
Very Low Quiescent Current: Only 20
µ
A
During Operation
300mA Output Current at V
IN
= 3V
2.5V to 5.5V Input Voltage Range
1.5MHz Constant Frequency Operation
No Schottky Diode Required
Low Dropout Operation: 100% Duty Cycle
Stable with Ceramic Capacitors
Shutdown Mode Draws < 1µA Supply Current
±3%
Output Voltage Accuracy
Current Mode Operation for Excellent Line and
Load Transient Response
Overtemperature Protected
Low Profile (1mm) ThinSOT
TM
Package
The LTC
®
3405A-1.375 is a high efficiency monolithic
synchronous buck regulator using a constant frequency,
current mode architecture. Supply current during opera-
tion is only 20µA and drops to <1µA in shutdown. The 2.5V
to 5.5V input voltage range makes the LTC3405A-1.375
ideally suited for single Li-Ion battery-powered applica-
tions. 100% duty cycle provides low dropout operation,
extending battery life in portable systems.
Switching frequency is internally set at 1.5MHz, allowing
the use of small surface mount inductors and capacitors.
The LTC3405A-1.375 is specifically designed to work well
with ceramic output capacitors, achieving very low output
voltage ripple and a small PCB footprint.
The internal synchronous switch increases efficiency and
eliminates the need for an external Schottky diode. The
LTC3405A-1.375 is available in a low profile (1mm)
ThinSOT package.
For other output voltages, refer to the LTC3405A and
LTC3405A-1.5/LTC3405A-1.8 data sheets.
, LTC and LT are registered trademarks of Linear Technology Corporation. Burst Mode
is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of
Linear Technology Corporation. All other trademarks are the property of their respective
owners. Protected by U.S. Patents, including 5481178, 6580258, 6304066, 6127815,
6498466, 6611131.
APPLICATIO S
Cellular Telephones
Personal Information Appliances
Wireless and DSL Modems
Digital Still Cameras
MP3 Players
Portable Instruments
TYPICAL APPLICATIO
V
IN
2.7V
TO 5.5V
C
IN
4.7µF
CER
V
IN
RUN
MODE
GND
V
OUT
SW
100
90
4.7µH
LTC3405A-1.375
C
OUT
4.7µF
CER
EFFICIENCY (%)
V
OUT
1.375V
300mA
80
70
60
50
40
30
0.1
3405A1375 F01
Figure 1a. High Efficiency Step-Down Converter
Figure 1b. Efficiency vs Load Current
3405a1375f
U
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
10
100
1
OUTPUT CURRENT (mA)
1000
3405A1375 F01b
U
U
1

LTC3405AES6-1.375#TRM相似产品对比

LTC3405AES6-1.375#TRM LTC3405AES6-1.375#PBF LTC3405AES6-1.375
描述 开关稳压器 LTC3405A-1.375 - 1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT 开关稳压器 LTC3405A-1.375 - 1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT 开关稳压器 LTC3405A-1.375 - 1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT
是否Rohs认证 不符合 符合 不符合
厂商名称 ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体)
包装说明 VSSOP, VSSOP, VSSOP,
Reach Compliance Code not_compliant compliant not_compliant
模拟集成电路 - 其他类型 SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
控制模式 CURRENT-MODE CURRENT-MODE CURRENT-MODE
最大输入电压 5.5 V 5.5 V 5.5 V
最小输入电压 2.5 V 2.5 V 2.5 V
标称输入电压 3.6 V 3.6 V 3.6 V
JESD-30 代码 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6
JESD-609代码 e0 e3 e0
长度 2.9 mm 2.9 mm 2.9 mm
湿度敏感等级 1 1 1
功能数量 1 1 1
端子数量 6 6 6
最高工作温度 70 °C 70 °C 70 °C
最大输出电流 0.63 A 0.63 A 0.63 A
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 VSSOP VSSOP VSSOP
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度) 235 260 235
认证状态 Not Qualified Not Qualified Not Qualified
座面最大高度 1 mm 1 mm 1 mm
表面贴装 YES YES YES
切换器配置 BUCK BUCK BUCK
最大切换频率 1800 kHz 1800 kHz 1800 kHz
温度等级 COMMERCIAL COMMERCIAL COMMERCIAL
端子面层 Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb)
端子形式 GULL WING GULL WING GULL WING
端子节距 0.95 mm 0.95 mm 0.95 mm
端子位置 DUAL DUAL DUAL
处于峰值回流温度下的最长时间 20 30 20
宽度 1.625 mm 1.625 mm 1.625 mm
ECCN代码 EAR99 - EAR99

 
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