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参数资料
| 型号： | LTM8027MPV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/22页 |
| 文件大小： | 0K |
| 描述： | IC BUCK SYNC ADJ 4A 113LGA |
| 产品培训模块： | LTM8027 - 60V, 4A DC/DC µModule Regulator Power Module vs. Discrete DC to DC |
| 软件下载： | LTM8027 Spice Model |
| 产品目录绘图： | LTM Series_15x15x4.3 |
| 设计资源： | DC1307A Design Files LTM8027MPV#PBF Footprint.bxl |
| 特色产品： | μModule Products |
| 标准包装： | 119 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 4.5V |
| 电压 - 输入（最大）： | 60V |
| Voltage - Output 1： | 2.5 ~ 24 V |
| 电流 - 输出（最大）： | 4A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 113-LGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.17" H（15.0mm x 15.0mm x 4.3mm） |
| 包装： | 托盘 |
| 工作温度： | -55°C ~ 125°C |
| 效率： | 95% |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
| 配用： | DC1307A-ND - BOARD EVAL LTM8027 |
LTM8027
BLOCK DIAGRAM
V IN
RUN
6.8μH
4.7pF
499k
2.2μF
V OUT
SS
CURRENT
MODE
CONTROLLER
INTERNAL
CONNECTION
TO V OUT
AUX
SYNC
GND
R T
V IN
INTERNAL
LINEAR
REGULATOR
INTV CC
ADJ
BIAS1
BIAS2
8027 BD
OPERATION
The LTM8027 is a standalone nonisolated step-down
switching DC/DC power supply with an input voltage
range of 4.5V to 60V that can deliver up to 4A of output
current. This module provides a precisely regulated output
voltage up to 24V, programmable via one external resistor.
Given that the LTM8027 is a step-down converter, make
sure that the input voltage is high enough to support the
desired output voltage and load current. A simplified block
diagram is given above. The LTM8027 contains a current
mode controller, power switching element, power induc-
tor, power MOSFETs and a modest amount of input and
output capacitance.
The LTM8027 is a fixed frequency PWM regulator. The
switching frequency is set by simply connecting the ap-
propriate resistor from the RT pin to GND.
A linear regulator provides internal power (shown as
INTV CC on the Block Diagram) to the control circuitry.
The bias regulator normally draws power from the V IN
pin, but if the BIAS1 pin is connected to an external volt-
age higher than 8.5V, bias power will be drawn from the
external source (typically the regulated output voltage).
This improves efficiency. The RUN pin is used to enable
or place the LTM8027 in shutdown, disconnecting the
output and reducing the input current to less than 9μA.
8027fb
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM8027V | 制造商:LINER 制造商全称:Linear Technology 功能描述:Complete Switch Mode Power Supply |
| LTM8028EY#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER 0.8-1.8V 5A 9W 制造商:Linear Technology 功能描述:BUCK 6-36V100KHZ 5A 0.8-1.8V 114BGA 制造商:Linear Technology 功能描述:BUCK, 6-36V,100KHZ, 5A, 0.8-1.8V, 114BGA 制造商:Linear Technology 功能描述:VOLTAGE REGULATOR, uMODULE, BUCK, ADJ, BGA-114, Primary Input Voltage:36V, No. o |
| LTM8028IY#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER 0.8-1.8V 5A 9W 制造商:Linear Technology 功能描述:BUCK 6-36V100KHZ 5A 0.8-1.8V 114BGA 制造商:Linear Technology 功能描述:BUCK, 6-36V,100KHZ, 5A, 0.8-1.8V, 114BGA 制造商:Linear Technology 功能描述:VOLTAGE REGULATOR, uMODULE, BUCK, ADJ, BGA-114, Primary Input Voltage:36V, No. o |
| LTM8028MPY#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER 0.8-1.8V 5A 9W 制造商:Linear Technology 功能描述:BUCK 6-36V100KHZ 5A 0.8-1.8V 114BGA 制造商:Linear Technology 功能描述:BUCK, 6-36V,100KHZ, 5A, 0.8-1.8V, 114BGA 制造商:Linear Technology 功能描述:VOLTAGE REGULATOR, uMODULE, BUCK, ADJ, BGA-114, Primary Input Voltage:36V, No. of Outputs:1, Output Current:5.6A, No. of Pins:114, Operating Temperature Min:-55C, Operating Temperature Max:125C, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes |
| LTM8028MPYPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:36VIN, UltraFast, Low Output Noise 5A ??Module Regulator |
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