参数资料
型号: LTM8023MPV#PBF
厂商: Linear Technology
文件页数: 15/24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
Wide Temperature DC/DC Converter µModules
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: LTM8023MPV#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: -55°C ~ 125°C
产品目录页面: 2711 (CN2011-ZH PDF)
配用: DC1195A-ND - BOARD DEMO LTM8023
LTM8023
APPLICATIONS INFORMATION
+
LOW
IMPEDANCE
ENERGIZED
24V SUPPLY
+
CLOSING SWITCH
SIMULATES HOT PLUG
I IN
STRAY
INDUCTANCE
DUE TO 6 FEET
(2 METERS) OF
TWISTED PAIR
0.7
0.1μF
V IN
LTM8023
4.7μF
LTM8023
4.7μF
V IN
20V/DIV
I IN
10A/DIV
(6a)
V IN
20V/DIV
DANGER
RINGING V IN MAY EXCEED
ABSOLUTE MAXIMUM RATING
20μs/DIV
I IN
10A/DIV
(6b)
20μs/DIV
+
22μF
35V
AI.EI.
+
LTM8023
4.7μF
V IN
20V/DIV
I IN
10A/DIV
(6c)
20μs/DIV
8023 F06
Figure 6. A Well Chosen Input Network Prevents Input Voltage Overshoot and Ensures Reliable
Operation When the LTM8023 is Connected to a Live Supply
ripple filtering and can slightly improve the efficiency of the
circuit, though it is likely to be the largest component in the
circuit. An alternative solution is shown in Figure 6c. A 0.7?
resistor is added in series with the input to eliminate the
voltage overshoot (it also reduces the peak input current).
A 0.1μF capacitor improves high frequency filtering. This
solution is smaller and less expensive than the electrolytic
capacitor. For high input voltages its impact on efficiency
is minor, reducing efficiency less than one-half percent
for a 5V output at full load operating from 24V.
8023fi
For more information www.linear.com/LTM8023
15
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