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LTC3801ES6#TRM

产品描述IC reg ctrlr buck pwm tsot23-6
产品类别半导体    电源管理   
文件大小147KB,共3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

LTC3801ES6#TRM概述

IC reg ctrlr buck pwm tsot23-6

LTC3801ES6#TRM规格参数

参数名称属性值
Datasheets
LTC3801/B
Product Photos
TSOT-23-6_05-08-1636
Standard Package500
CategoryIntegrated Circuits (ICs)
FamilyPMIC - Voltage Regulators - DC DC Switching Controllers
系列
Packaging
Tape & Reel (TR)
PWM TypeCurrent Mode
Number of Outputs1
Frequency - Max650kHz
Duty Cycle100%
Voltage - Supply2.4 V ~ 9.8 V
BuckYes
BoosN
FlybackN
InvertingN
DoubleN
DivideN
CukN
IsolatedN
Operating Temperature-40°C ~ 85°C
封装 / 箱体
Package / Case
SOT-23-6 Thin, TSOT-23-6
Other NamesLTC3801ES6LTC3801ES6-ND

文档预览

下载PDF文档
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 623
550KHZ MICROPOWER STEP-DOWN DC/DC CONTROLLER
LTC3801
DESCRIPTION
Demonstration circuit 623 is a step-down (buck)
regulator, using the LTC
®
3801 monolithic controller.
The DC623 has an input voltage range of 2.5V to 9.8V
and is capable of providing 1A at an output voltage of
2.5V from a single Li-Ion cell. The DC623 highlights
the capabilities of the LTC3801, a constant frequency
step-down DC-to-DC controller that comes in a tiny
SOT-23 package and runs off extremely low quiescent
currents. The LTC3801 uses a current mode PWM
architecture to drive an external P-channel power
Table 1.
PARAMETER
Minimum Input Voltage
Maximum Input Voltage
Output Voltage
Typical Output Ripple
Normal
Typical Supply Current
Sleep
Shutdown
Maximum Output Current
Typical Load Regulation
V
IN
= 2.5V to 9.8V, I
OUT
= 0A to 1A
V
IN
= 4.2V, I
OUT
= 600mA (20MHz BW)
V
IN
= 4.2V
V
IN
= 4.2V
V
IN
= 4.2V, lth/Run=0V
V
IN
= 4.2V, V
OUT
= 2.5V
V
IN
= 4.2V, 100mA
I
OUT
≤ 1A
MOSFET in a buck regulator application. The result is
a high performance power supply that is ideal for cell
phones and other portable electronics operating from
one or two Li-ion cell. Due to the use of surface
mount components, the DC623 is a highly efficient
power supply for use in very small spaces.
Design files for this circuit board are available. Call the
LTC factory.
LTC is a registered trademark of Linear Technology Corporation.
Performance Summary (T
A
= 25°C)
CONDITION
VALUE
2.5V
9.8V
2.5V ±5%
100mV
P–P
195
16
5
1A (min)
1%
QUICK START PROCEDURE
Demonstration circuit 623 is easy to set up to evalu-
ate the performance of the LTC3801. Refer to
Figure 1 for proper measurement equipment setup
and follow the procedure below:
NOTE:
When measuring the input or output voltage
1.
Turn on the input power supply, set to 5V,
with no load on the output. Measure
V
OUT
; it should be 2.5V ±3% (2.425V to
2.575V).
2.
Vary the load current from no load to 1A.
ripple, care must be taken to avoid a long ground lead
on the oscilloscope probe. Measure the input or
output voltage ripple by touching the probe tip
directly across the V
IN
or V
OUT
and GND terminals.
See Figure 2 for proper scope probe technique.
The output voltage should be within a
tolerance of ±4% (2.4V and 2.6V).
3.
Vary the input voltage from 2.7V to 9.8V.
The output voltage should be within ±5%
tolerance (2.375V and 2.625V).
1

LTC3801ES6#TRM相似产品对比

LTC3801ES6#TRM LTC3801BES6#TRPBF LTC3801ES6#TRPBF LTC3801ES6#TR LTC3801BES6#TR LTC3801BES6#TRM DC623A LTC3801ES6#TRMPBF LTC3801BES6#TRMPBF
描述 IC reg ctrlr buck pwm tsot23-6 IC reg ctrlr buck pwm tsot23-6 IC reg ctrlr buck pwm tsot23-6 IC reg ctrlr buck pwm tsot23-6 IC reg ctrlr buck pwm tsot23-6 IC reg ctrlr buck pwm tsot23-6 board eval for ltc3801es6 IC REG CTRLR BUCK TSOT23-6 IC REG CTRLR BUCK TSOT23-6
Brand Name - Linear Technology Linear Technology Linear Technology - Linear Technology - Linear Technology Linear Technology
是否Rohs认证 - 符合 符合 不符合 - 不符合 - 符合 符合
厂商名称 - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) - Linear ( ADI ) Linear ( ADI )
零件包装代码 - SOT SOT SOT - SOT - SOT SOT
包装说明 - VSSOP, VSSOP, VSSOP, - VSSOP, - VSSOP, VSSOP,
针数 - 6 6 6 - 6 - 6 6
制造商包装代码 - S6 S6 S6 - S6 - S6 S6
Reach Compliance Code - compli compli _compli - _compli - compliant compliant
ECCN代码 - EAR99 EAR99 EAR99 - EAR99 - EAR99 EAR99
模拟集成电路 - 其他类型 - SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER - SWITCHING CONTROLLER - SWITCHING CONTROLLER SWITCHING CONTROLLER
控制模式 - CURRENT-MODE CURRENT-MODE CURRENT-MODE - CURRENT-MODE - CURRENT-MODE CURRENT-MODE
最大输入电压 - 9.8 V 9.8 V 9.8 V - 9.8 V - 9.8 V 9.8 V
最小输入电压 - 2.4 V 2.4 V 2.4 V - 2.4 V - 2.4 V 2.4 V
标称输入电压 - 4.2 V 4.2 V 4.2 V - 4.2 V - 4.2 V 4.2 V
JESD-30 代码 - R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 - R-PDSO-G6 - R-PDSO-G6 R-PDSO-G6
JESD-609代码 - e3 e3 e0 - e0 - e3 e3
长度 - 2.9 mm 2.9 mm 2.9 mm - 2.9 mm - 2.9 mm 2.9 mm
湿度敏感等级 - 1 1 1 - 1 - 1 1
功能数量 - 1 1 1 - 1 - 1 1
端子数量 - 6 6 6 - 6 - 6 6
最高工作温度 - 70 °C 70 °C 70 °C - 70 °C - 70 °C 70 °C
最大输出电流 - 1 A 1 A 1 A - 1 A - 1 A 1 A
封装主体材料 - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 - VSSOP VSSOP VSSOP - VSSOP - VSSOP VSSOP
封装形状 - RECTANGULAR RECTANGULAR RECTANGULAR - 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 - 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) - 260 260 235 - 235 - 260 260
认证状态 - Not Qualified Not Qualified Not Qualified - Not Qualified - Not Qualified Not Qualified
座面最大高度 - 1 mm 1 mm 1 mm - 1 mm - 1 mm 1 mm
表面贴装 - YES YES YES - YES - YES YES
切换器配置 - BUCK BUCK BUCK - BUCK - BUCK BUCK
最大切换频率 - 650 kHz 650 kHz 650 kHz - 650 kHz - 650 kHz 650 kHz
温度等级 - COMMERCIAL COMMERCIAL COMMERCIAL - COMMERCIAL - COMMERCIAL COMMERCIAL
端子面层 - Matte Tin (Sn) Matte Tin (Sn) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) - Matte Tin (Sn) Matte Tin (Sn)
端子形式 - 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
端子位置 - DUAL DUAL DUAL - DUAL - DUAL DUAL
处于峰值回流温度下的最长时间 - 30 30 20 - 20 - 30 30
宽度 - 1.625 mm 1.625 mm 1.625 mm - 1.625 mm - 1.625 mm 1.625 mm
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