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LTC3879IMSE#PBF

产品描述IC REG CTRLR BUCK 16MSOP
产品类别电源/电源管理    电源电路   
文件大小426KB,共4页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 选型对比 全文预览

LTC3879IMSE#PBF概述

IC REG CTRLR BUCK 16MSOP

LTC3879IMSE#PBF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MSOP
包装说明TSSOP, TSSOP16,.19,20
针数16
制造商包装代码MSE
Reach Compliance Codecompliant
ECCN代码EAR99
模拟集成电路 - 其他类型SWITCHING CONTROLLER
控制模式CURRENT-MODE
控制技术PULSE FREQUENCY MODULATION
最大输入电压38 V
最小输入电压4 V
标称输入电压15 V
JESD-30 代码R-PDSO-G16
JESD-609代码e3
长度4.039 mm
湿度敏感等级1
功能数量1
端子数量16
最高工作温度85 °C
最低工作温度-40 °C
封装主体材料PLASTIC/EPOXY
封装代码TSSOP
封装等效代码TSSOP16,.19,20
封装形状RECTANGULAR
封装形式SMALL OUTLINE, 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1.1 mm
表面贴装YES
切换器配置PUSH-PULL
技术CMOS
温度等级INDUSTRIAL
端子面层Matte Tin (Sn)
端子形式GULL WING
端子节距0.5 mm
端子位置DUAL
处于峰值回流温度下的最长时间30
宽度3 mm
Base Number Matches1

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QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1289
NO RSENSE STEP-DOWN DC/DC CONVERTER
LTC3879EUD
DESCRIPTION
Demonstration circuit 1289 is a no rsense step-down
dc/dc converter featuring the LTC3879EUD. Its output
supplies 1.2V @ 15A and its input voltage range is from
4.5V to 14V. The demo board uses a high density, two
sided drop-in layout. The power components, excluding
the bulk output capacitors and bulk input capacitors, fit
within a 0.94” x 0.69” area on the top layer. The control
circuit on the bottom layer has a footprint of 0.40” x
0.50”.
Table 1. Performance Summary (T
A
= 25°C)
PARAMETER
Minimum Input Voltage
Maximum Input Voltage
Output Voltage V
OUT
Maximum Output Current
Typical Output Voltage Ripple
Nominal Switching Frequency
Efficiency (see Figure 3 for efficiency curves)
V
IN
= 12V, I
OUT
= 15A (20MHz BW)
100% load
V
IN
= 12V, 100% load
V
IN
= 4.5V to 14V, I
OUT
= 0A to 15A
CONDITION
VALUE
4.5V
14V
1.2V ±2%
15A
18mV
P–P
430kHz
87.7% Typical
The fixed on-time valley current mode architecture of the
LTC3879EUD provides a very fast load step response.
Other features of the board include a RUN pin, a TRACK
pin, a PGOOD pin and a MODE jumper to select either
CCM or DCM operation at light load.
Design files for this circuit board are available. Call
the LTC factory.
QUICK START PROCEDURE
Demonstration circuit 1289 is easy to set up to evaluate
the performance of the LTC3879EUD. Refer to Figure 1
for proper measurement equipment setup and follow the
procedure below:
measuring the input or output voltage rip-
ple, care must be taken to avoid a long ground lead on
the oscilloscope probe. See Figure 2 for proper scope
probe technique. Short, stiff leads should be soldered to
the (+) and (-) terminals of an output capacitor. The
probe’s ground ring needs to touch the (-) lead and the
probe tip needs to touch the (+) lead.
NOTE:
When
1.
Place jumpers in the following positions:
RUN
MODE
ON
CCM
2.
3.
4.
5.
With power off, connect the input power supply to Vin
and GND.
Turn on the power at the input.
Check for the proper output voltages.
Vout = 1.176V to 1.224V
Once the proper output voltages are established, ad-
just the loads within the operating range and observe
the output voltage regulation, ripple voltage, efficiency
and other parameters.
1

LTC3879IMSE#PBF相似产品对比

LTC3879IMSE#PBF DC1289A LTC3879IMSE#TRPBF LTC3879IUD#TRPBF LTC3879EMSE#PBF LTC3879EMSE#TRPBF LTC3879EUD#TRPBF LTC3879IUD#PBF LTC3879EUD#PBF
描述 IC REG CTRLR BUCK 16MSOP board eval for ltc3879eud IC REG CTRLR BUCK 16MSOP IC REG CTRLR BUCK 16QFN IC REG CTRLR BUCK 16MSOP IC REG CTRLR BUCK 16MSOP IC REG CTRLR BUCK 16QFN IC REG CTRLR BUCK 16QFN IC REG CTRLR BUCK 16QFN
Brand Name Linear Technology - Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 符合 - 符合 符合 符合 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 MSOP - MSOP QFN MSOP MSOP QFN QFN QFN
包装说明 TSSOP, TSSOP16,.19,20 - TSSOP, TSSOP16,.19,20 HVQCCN, LCC16,.12SQ,20 TSSOP, TSSOP16,.19,20 TSSOP, TSSOP16,.19,20 HVQCCN, LCC16,.12SQ,20 HVQCCN, LCC16,.12SQ,20 HVQCCN, LCC16,.12SQ,20
针数 16 - 16 16 16 16 16 16 16
制造商包装代码 MSE - MSE UD MSE MSE UD UD UD
Reach Compliance Code compliant - compliant compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 - EAR99 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 SWITCHING CONTROLLER SWITCHING CONTROLLER
控制模式 CURRENT-MODE - CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE
控制技术 PULSE FREQUENCY MODULATION - PULSE FREQUENCY MODULATION PULSE FREQUENCY MODULATION PULSE FREQUENCY MODULATION PULSE FREQUENCY MODULATION PULSE FREQUENCY MODULATION PULSE FREQUENCY MODULATION PULSE FREQUENCY MODULATION
最大输入电压 38 V - 38 V 38 V 38 V 38 V 38 V 38 V 38 V
最小输入电压 4 V - 4 V 4 V 4 V 4 V 4 V 4 V 4 V
标称输入电压 15 V - 15 V 15 V 15 V 15 V 15 V 15 V 15 V
JESD-30 代码 R-PDSO-G16 - R-PDSO-G16 S-PQCC-N16 R-PDSO-G16 R-PDSO-G16 S-PQCC-N16 S-PQCC-N16 S-PQCC-N16
JESD-609代码 e3 - e3 e3 e3 e3 e3 e3 e3
长度 4.039 mm - 4.039 mm 3 mm 4.039 mm 4.039 mm 3 mm 3 mm 3 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 16 - 16 16 16 16 16 16 16
最高工作温度 85 °C - 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
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 TSSOP - TSSOP HVQCCN TSSOP TSSOP HVQCCN HVQCCN HVQCCN
封装等效代码 TSSOP16,.19,20 - TSSOP16,.19,20 LCC16,.12SQ,20 TSSOP16,.19,20 TSSOP16,.19,20 LCC16,.12SQ,20 LCC16,.12SQ,20 LCC16,.12SQ,20
封装形状 RECTANGULAR - RECTANGULAR SQUARE RECTANGULAR RECTANGULAR SQUARE SQUARE SQUARE
封装形式 SMALL OUTLINE, THIN PROFILE, SHRINK PITCH - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 260 - 260 260 260 260 260 260 260
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 1.1 mm - 1.1 mm 0.8 mm 1.1 mm 1.1 mm 0.8 mm 0.8 mm 0.8 mm
表面贴装 YES - YES YES YES YES YES YES YES
切换器配置 PUSH-PULL - PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL
技术 CMOS - CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 INDUSTRIAL - INDUSTRIAL INDUSTRIAL OTHER OTHER OTHER INDUSTRIAL OTHER
端子面层 Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING - GULL WING NO LEAD GULL WING GULL WING NO LEAD NO LEAD NO LEAD
端子节距 0.5 mm - 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm
端子位置 DUAL - DUAL QUAD DUAL DUAL QUAD QUAD QUAD
处于峰值回流温度下的最长时间 30 - 30 30 30 30 30 30 30
宽度 3 mm - 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
Base Number Matches 1 - 1 1 1 1 1 1 1
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