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参数资料
| 型号： | DC1597A |
| 厂商： | Linear Technology |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTM8031 |
| 产品培训模块： | µModule® Family of EN55022 Class B Certified Regulators |
| 软件下载： | LTM8031 Spice Model |
| 设计资源： | DC1597A Design Files |
| 标准包装： | 1 |
| 系列： | µModule® |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 1A |
| 输入电压： | 5 ~ 36 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 750kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTM8031 |
| 相关产品： | LTM8031MPV#PBF-ND - IC DC-DC UMODULE 1A LN 71LGA LTM8031EV#PBF-ND - IC BUCK ADJ 1A 71LGA LTM8031IV#PBF-ND - IC BUCK ADJ 1A 71LGA |
LTM8031
Ultralow Noise EMC 36V, 1A
DC/DC μModule Regulator
Complete Step-Down Switch Mode Power Supply
Wide Input Voltage Range: 3.6V to 36V
1A Output Current
0.8V to 10V Output Voltage
Switching Frequency from 200kHz to 2.4MHz
EN55022 Class B Compliant with Margin
Current Mode Control
(e4) RoHS Compliant Package with Gold Pad Finish
Programmable Soft-Start
Pin Compatible with the LTM8032
Low Profile (9mm × 15mm × 2.82mm)
Automotive Battery Regulation
Power for Portable Products
Distributed Supply Regulation
Industrial Supplies
Wall Transformer Regulation
FEATURES
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Surface Mount LGA Package
APPLICATIONS
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TYPICAL APPLICATION
Ultralow Noise 5V/1A DC/DC μModule Regulator
DESCRIPTION
The LTM ? 8031 is an electromagnetic compatible (EMC)
36V, 1A DC/DC μModule ? buck converter designed to
meet the radiated emissions requirements of EN55022.
Conducted emission requirements can be met by adding
standard filter components. Included in the package are the
switching controller, power switches, inductor, filters and
all support components. Operating over an input voltage
range of 3.6V to 36V, the LTM8031 supports an output
voltage range of 0.8V to 10V, and a switching frequency
range of 200kHz to 2.4MHz, each set by a single resistor.
Only the bulk input and output filter capacitors are needed
to finish the design. The low profile package (2.82mm)
enables utilization of unused space on the bottom of PC
boards for high density point of load regulation.
The LTM8031 is packaged in a thermally enhanced, compact
(9mm × 15mm) and low profile (2.82mm) overmolded land
grid array (LGA) package suitable for automated assembly
by standard surface mount equipment. The LTM8031 is
RoHS compliant.
L , LT, LTC, LTM, μModule, Burst Mode, Linear Technology and the Linear logo are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
LTM8031 EMI Performance
LTM8031
V IN *
7VDC TO 36VDC
V IN
FIN
RUN/SS
OUT
AUX
10μF
V OUT
5V
1A
80
70
60
V IN = 36V
1μF
BIAS
50
SHARE PGOOD
RT SYNC GND ADJ
40
30
EN55022
CLASS B
LIMIT
44.2k
47.5k
8031 TA01a
20
10
0
*RUNNING VOLTAGE RANGE.
SEE APPLICATIONS FOR START-UP DETAILS
–10
0 100 200 300 400 500 600 700 800 900 1000
FREQUENCY (MHz)
8031 TA01b
8031fb
1
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