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LTC1701ES5#TRM

产品描述IC reg buck adj 0.5A tsot23-5
产品类别电源/电源管理    电源电路   
文件大小97KB,共2页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
下载文档 详细参数 选型对比 全文预览

LTC1701ES5#TRM概述

IC reg buck adj 0.5A tsot23-5

LTC1701ES5#TRM规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证不符合
厂商名称Linear ( ADI )
零件包装代码SOT
包装说明LSSOP,
针数5
制造商包装代码S5
Reach Compliance Code_compli
ECCN代码EAR99
Is SamacsysN
模拟集成电路 - 其他类型SWITCHING REGULATOR
控制模式CURRENT-MODE
控制技术CONSTANT OFF TIME
最大输入电压5.5 V
最小输入电压2.5 V
标称输入电压3.3 V
JESD-30 代码R-PDSO-G5
JESD-609代码e0
长度2.95 mm
湿度敏感等级1
功能数量1
端子数量5
最高工作温度85 °C
最低工作温度-40 °C
最大输出电流1.1 A
封装主体材料PLASTIC/EPOXY
封装代码LSSOP
封装形状RECTANGULAR
封装形式SMALL OUTLINE, LOW 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1.45 mm
表面贴装YES
切换器配置BUCK
最大切换频率1000 kHz
技术CMOS
温度等级INDUSTRIAL
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
Base Number Matches1

文档预览

下载PDF文档
DC289 Introduction
Description
Demonstration Circuit DC289 is a step-down (buck) regulator using the LTC
®
1701. The
combination of the LTC1701’s tiny SOT-23 package and high switching frequency
results in a highly efficient application in a small board space. It is ideal for cell phones
and other portable electronics operating from one Li-Ion cell or three to four NiCd or
NiMH cells. DC289 operates from a 2.5 to 5.5V input voltage range and is capable of
providing 0.5A with a jumper-selectable output voltage of 1.5/2.5/3.3V-ADJ.
This board highlights the capabilities of the LTC1701, which uses a current mode,
constant off-time architecture to control an internal P-channel power MOSFET at about
1MHz. This high performance power supply occupies less than 0.3 square inches and has
low output voltage ripple and fast transient response.
At low output currents, the LTC1701 automatically switches to Burst Mode™ operation
to maintain high operating efficiencies by minimizing supply current. The part can be
shut down by pulling the I
TH
/RUN pin low, further reducing the supply current to less
than 1µA.
In dropout, the P-channel MOSFET is turned on continuously (100% duty cycle),
providing low dropout operation with V
OUT
V
IN
, thereby maximizing battery life.
Quick Start Guide
Demonstration Board DC289 is easy to set up for evaluation of the LTC1701. Please
follow the procedure below for proper operation:
1. Move jumper JP1 to the appropriate position for the required output voltage. For
voltages other than the preset value, make sure you install the calculated resistor at
the pad provided for R7.
2. To shut down the circuit, connect the I
TH
/RUN terminal to ground. When the part is
not shut down, be careful not to add excessive capacitance to the I
TH
/RUN pin, since
it affects the transient response.
3. Connect the input power supply to the V
IN
and GND terminals.
4. Connect the load between the V
OUT
and GND terminals. Refer to the connection
diagram (Figure 1) for proper measurement equipment setup.
XXXYYYY

LTC1701ES5#TRM相似产品对比

LTC1701ES5#TRM LTC1701BES5#TRPBF LTC1701BES5#TRM LTC1701BES5#TR LTC1701ES5#TR DC289A LTC1701ES5#TRPBF LTC1701ES5#TRMPBF LTC1701BES5#TRMPBF
描述 IC reg buck adj 0.5A tsot23-5 IC reg buck adj 0.5A tsot23-5 IC reg buck adj 0.5A tsot23-5 IC reg buck adj 0.5A tsot23-5 IC reg buck adj 0.5A tsot23-5 board eval for ltc1701es5 IC REG BUCK ADJ 0.5A TSOT23-5 IC REG BUCK ADJ 0.5A TSOT23-5 IC REG BUCK ADJ 0.5A TSOT23-5
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology - Linear Technology Linear Technology Linear Technology
是否Rohs认证 不符合 符合 不符合 不符合 不符合 - 符合 符合 符合
厂商名称 Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
零件包装代码 SOT SOT SOT SOT SOT - SOT SOT SOT
包装说明 LSSOP, LSSOP, LSSOP, LSSOP, PLASTIC, SOT-23, 5 PIN - LSSOP, LSSOP, LSSOP,
针数 5 5 5 5 5 - 5 5 5
制造商包装代码 S5 S5 S5 S5 S5 - S5 S5 S5
Reach Compliance Code _compli compli _compli _compli _compli - compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 - EAR99 EAR99 EAR99
Is Samacsys N N N N N - N N N
模拟集成电路 - 其他类型 SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR - SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
控制模式 CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE - CURRENT-MODE CURRENT-MODE CURRENT-MODE
控制技术 CONSTANT OFF TIME CONSTANT OFF TIME CONSTANT OFF TIME CONSTANT OFF TIME CONSTANT OFF TIME - CONSTANT OFF TIME CONSTANT OFF TIME CONSTANT OFF TIME
最大输入电压 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V - 5.5 V 5.5 V 5.5 V
最小输入电压 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V - 2.5 V 2.5 V 2.5 V
标称输入电压 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V - 3.3 V 3.3 V 3.3 V
JESD-30 代码 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 - R-PDSO-G5 R-PDSO-G5 R-PDSO-G5
JESD-609代码 e0 e3 e0 e0 e0 - e3 e3 e3
长度 2.95 mm 2.95 mm 2.95 mm 2.95 mm 2.95 mm - 2.95 mm 2.95 mm 2.95 mm
湿度敏感等级 1 1 1 1 1 - 1 1 1
功能数量 1 1 1 1 1 - 1 1 1
端子数量 5 5 5 5 5 - 5 5 5
最高工作温度 85 °C 85 °C 85 °C 85 °C 85 °C - 85 °C 85 °C 85 °C
最低工作温度 -40 °C -40 °C -40 °C -40 °C -40 °C - -40 °C -40 °C -40 °C
最大输出电流 1.1 A 1.1 A 1.1 A 1.1 A 1.1 A - 1.1 A 1.1 A 1.1 A
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 LSSOP LSSOP LSSOP LSSOP LSSOP - LSSOP LSSOP LSSOP
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH - SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度) 235 250 235 255 235 - 260 250 260
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified - Not Qualified Not Qualified Not Qualified
座面最大高度 1.45 mm 1.45 mm 1.45 mm 1.45 mm 1.45 mm - 1.45 mm 1.45 mm 1.45 mm
表面贴装 YES YES YES YES YES - YES YES YES
切换器配置 BUCK BUCK BUCK BUCK BUCK - BUCK BUCK BUCK
最大切换频率 1000 kHz 1000 kHz 1000 kHz 1000 kHz 1000 kHz - 1000 kHz 1000 kHz 1000 kHz
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING GULL WING GULL WING GULL WING GULL WING - GULL WING GULL WING GULL WING
端子节距 0.95 mm 0.95 mm 0.95 mm 0.95 mm 0.95 mm - 0.95 mm 0.95 mm 0.95 mm
端子位置 DUAL DUAL DUAL DUAL DUAL - DUAL DUAL DUAL
处于峰值回流温度下的最长时间 20 NOT SPECIFIED 20 40 20 - 30 NOT SPECIFIED 30
宽度 1.625 mm 1.625 mm 1.625 mm 1.625 mm 1.625 mm - 1.625 mm 1.625 mm 1.625 mm
Base Number Matches 1 1 1 1 1 - 1 1 1
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