参数资料
型号: LTM8023EV#PBF
厂商: Linear Technology
文件页数: 1/24页
文件大小: 0K
描述: IC BUCK SYNC ADJ 2A 50LGA
产品培训模块: LTM802x High Voltage μModule Switching Regulators
High Voltage µModule DC/DC Regulators
Power Module vs. Discrete DC to DC
软件下载: LTM8023 Spice Model
产品目录绘图: LTM8022-8023
设计资源: LTM8023EV#PBF Footprint.bxl
特色产品: μModule Products
标准包装: 210
系列: µModule®
类型: 非隔离(POL)
输出数: 1
电压 - 输入(最小): 3.6V
电压 - 输入(最大): 36V
Voltage - Output 1: 0.8 ~ 10 V
电流 - 输出(最大): 2A
安装类型: 表面贴装
封装/外壳: 50-BLGA
尺寸/尺寸: 0.44" L x 0.35" W x 0.11" H(11.3mm x 9.0mm x 2.8mm)
包装: 托盘
工作温度: -40°C ~ 85°C
产品目录页面: 2711 (CN2011-ZH PDF)
配用: DC1195A-ND - BOARD DEMO LTM8023

LTM8023
Complete Step-Down Switch Mode Power Supply
Wide Input Voltage Range: 3.6V to 36V
2A Output Current
0.8V to 10V Output Voltage
Selectable Switching Frequency: 200kHz to 2.4MHz
Current Mode Control
Programmable Soft-Start
SnPb (BGA) or RoHS Compliant (LGA and BGA)
Tiny, Low Profile, Surface Mount LGA (9mm ×
Automotive Battery Regulation
Power for Portable Products
Distributed Supply Regulation
Industrial Supplies
Wall Transformer Regulation
FEATURES
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Finish
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11.25mm × 2.82mm) and BGA (9mm × 11.25mm ×
3.42mm) Packages
APPLICATIONS
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TYPICAL APPLICATION
2A, 36V DC/DC
Step-Down μModule
Regulator
DESCRIPTION
The LTM ? 8023 is a complete 2A, DC/DC step-down power
supply. 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
LTM8023 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 enables utilization of unused
space on the bottom of PC boards for high density point
of load regulation.
The LTM8023 is packaged in a thermally enhanced, com-
pact and low profile over-molded land grid array (LGA)
and ball grid array (BGA) packages suitable for automated
assembly by standard surface mount equipment. The
LTM8023 is available with SnPb (BGA) or RoHS compli-
ant terminal finish.
L , LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode and μModule are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
5.5V IN to 36V IN , 3.3V/2A DC/DC μModule ? Converter
90
Efficiency and Power Loss
1.8
BIAS
V IN *
5.5V TO 36V
2.2μF
V IN V OUT
AUX
RUN/SS
SHARE
LTM8023
PGOOD
22μF
V OUT
3.3V
2A
85
80
75
70
65
1.6
1.4
1.2
1.0
0.8
0.6
ADJ
60
0.4
SELECTABLE
OPERATING
FREQUENCY
49.9k
R T
GND SYNC
8023 TA01
154k
55
50
0.01
0.1
1
V IN = 12V
V OUT = 3.3V
f = 650 kHz
10
0.2
0
*RUNNING VOLTAGE RANGE. PLEASE
REFER TO APPLICATIONS INFORMATION
FOR START-UP DETAILS
For more information www.linear.com/LTM8023
LOAD CURRENT (A)
8023 TA01b
8023fi
1
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