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LTC3801BES6#TRMPBF

产品描述IC REG CTRLR BUCK TSOT23-6
产品类别电源/电源管理    电源电路   
文件大小147KB,共3页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
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LTC3801BES6#TRMPBF概述

IC REG CTRLR BUCK TSOT23-6

LTC3801BES6#TRMPBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
厂商名称Linear ( ADI )
零件包装代码SOT
包装说明VSSOP,
针数6
制造商包装代码S6
Reach Compliance Codecompliant
ECCN代码EAR99
Is SamacsysN
模拟集成电路 - 其他类型SWITCHING CONTROLLER
控制模式CURRENT-MODE
最大输入电压9.8 V
最小输入电压2.4 V
标称输入电压4.2 V
JESD-30 代码R-PDSO-G6
JESD-609代码e3
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1 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)260
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650 kHz
温度等级COMMERCIAL
端子面层Matte Tin (Sn)
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30
宽度1.625 mm
Base Number Matches1

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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

LTC3801BES6#TRMPBF相似产品对比

LTC3801BES6#TRMPBF LTC3801BES6#TRPBF LTC3801ES6#TRPBF LTC3801ES6#TR LTC3801BES6#TR LTC3801ES6#TRM LTC3801BES6#TRM DC623A LTC3801ES6#TRMPBF
描述 IC REG CTRLR BUCK 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 IC reg ctrlr buck pwm tsot23-6 board eval for ltc3801es6 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 符合 不符合 - - 不符合 - 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 compliant compli compli _compli - - _compli - 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 e3 e0 - - e0 - 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) 260 260 260 235 - - 235 - 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) Matte Tin (Sn) Tin/Lead (Sn/Pb) - - Tin/Lead (Sn/Pb) - 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 30 20 - - 20 - 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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