参数资料
型号: DC1379A
厂商: Linear Technology
文件页数: 1/22页
文件大小: 0K
描述: BOARD EVAL LTM8025
软件下载: LTM8025 Spice Model
设计资源: DC1379A Design Files
DC1379A Schematic
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: 3A
输入电压: 5.5 ~ 36 V
稳压器拓扑结构: 降压
频率 - 开关: 250kHz ~ 2MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: LTM8025
相关产品: LTM8025IV#PBF-ND - IC CONVERTER BUCK 3A ADJ 70LGA
LTM8025MPV#PBF-ND - IC CONVERTER BUCK 3A ADJ 70LGA
LTM8025EV#PBF-ND - IC CONVERTER BUCK 3A ADJ 70LGA
LTM8025
36V, 3A Step-Down
μModule Regulator
Complete Step-Down Switch Mode Power Supply
Wide Input Voltage Range: 3.6V to 36V
Up to 3A Output Current
Parallelable for Increased Output Current
0.8V to 24V Output Voltage
Selectable Switching Frequency: 200kHz to 2.4MHz
Current Mode Control
SnPb or RoHS Compliant Finish
Programmable Soft-Start
9mm × 15mm × 4.32mm LGA and 9mm × 15mm ×
Automotive Battery Regulation
Power for Portable Products
Distributed Supply Regulation
Industrial Supplies
Wall Transformer Regulation
FEATURES
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4.92mm BGA Packages
APPLICATIONS
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DESCRIPTION
The LTM ? 8025 is a 36V IN , 3A step down μModule ? (mi-
cromodule) converter. Included in the package are the
switching controller, power switches, inductor and all
support components. Operating over an input voltage
range of 3.6V to 36V, the LTM8025 supports an output
voltage range of 0.8V to 24V 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 LTM8025 is packaged in a thermally enhanced, com-
pact (9mm × 15mm) and low profile over-molded land
grid array (LGA) and ball grid array (BGA) packages suit-
able for automated assembly by standard surface mount
equipment. The LTM8025 is available with SnPb (BGA) or
RoHS compliant terminal finish.
L , LT, LTC, LTM, Linear Technology, the Linear logo, μModule and Burst Mode are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
TYPICAL APPLICATION
Efficiency
100
V IN = 24V
V IN *
22V TO 36V
4.7μF
V IN
RUN/SS
LTM8025
SHARE
V OUT
AUX
BIAS
PGOOD
V OUT
12V AT 3A
22μF
90
80
70
47.5k
RT
SYNC
GND
ADJ
34.8k
60
50
*RUNNING VOLTAGE RANGE. PLEASE REFER TO
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS
8025 TA01a
40
0
500
1000 1500 2000 2500
3000
OUTPUT CURRENT (mA)
8025 TA01b
8025fc
For more information www.linear.com/LTM8025
1
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