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LTM8045IY PDF预览

LTM8045IY

更新时间: 2024-09-23 19:44:47
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
22页 342K
描述
LTM8045 - Inverting or SEPIC µModule (Power Module) DC/DC Converter with Up to 700mA Output Current; Package: BGA; Pins: 40; Temperature Range: -40°C to 85°C

LTM8045IY 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:BGA包装说明:11.25 X 6.25 MM, 4.92 MM HEIGHT, MS-028, BGA-40
针数:40Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:8.68其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM -2.5V TO 2.5V AND -15V TO 15V
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:18 V
最小输入电压:2.8 V标称输入电压:12 V
JESD-30 代码:R-PBGA-B40JESD-609代码:e0
长度:11.25 mm功能数量:1
端子数量:40最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:BGA封装形状:RECTANGULAR
封装形式:GRID ARRAY峰值回流温度(摄氏度):NOT SPECIFIED
座面最大高度:5.12 mm表面贴装:YES
切换器配置:BUCK-BOOST最大切换频率:2200 kHz
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:BALL端子节距:1.27 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:6.25 mmBase Number Matches:1

LTM8045IY 数据手册

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LTM8045  
Inverting or SEPIC µModule  
DC/DC Converter with Up  
to 700mA Output Current  
DescripTion  
FeaTures  
n
SEPIC or Inverting Topology  
The LTM®8045 is a µModule® (micromodule) DC/DC  
converter that can be configured as a SEPIC or inverting  
converterbysimplygroundingtheappropriateoutputrail.  
In a SEPIC configuration the regulated output voltage can  
beabove,beloworequaltotheinputvoltage.TheLTM8045  
includes power devices, inductors, control circuitry and  
passive components. All that is needed to complete the  
design are input and output capacitors, and small resis-  
tors to set the output voltage and switching frequency.  
Other components may be used to control the soft-start  
and undervoltage lockout.  
n
n
Wide Input Voltage Range: 2.8V to 18V  
Up to 700mA Output Current at V = 12V,  
IN  
V
OUT  
= 2.5V or –2.5V  
n
Up to 375mA Output Current at V = 12V,  
IN  
V
OUT  
=15V or –15V  
n
n
n
n
n
2.5V to 15V or –2.5V to –15V Output Voltage  
Selectable Switching Frequency: 200kHz to 2MHz  
Programmable Soft-Start  
User Configurable Undervoltage Lockout  
6.25mm × 11.25mm × 4.92mm BGA Package  
The LTM8045 is packaged in a compact (6.25mm ×  
11.25mm)overmoldedballgridarray(BGA)packagesuit-  
able for automated assembly by standard surface mount  
equipment. The LTM8045 is available with SnPb (BGA)  
or RoHS compliant terminal finish.  
applicaTions  
n
Battery Powered Regulator  
n
Local Negative Voltage Regulator  
n
Low Noise Amplifier Power  
L, LT, LTC, LTM, Linear Technology, the Linear logo, µModule and PolyPhase are registered  
trademarks of Linear Technology Corporation. All other trademarks are the property of their  
respective owners.  
Typical applicaTion  
Use Two LTM8045s to Generate 5V  
LTM8045  
Maximum Output Current  
vs Input Voltage  
OUT  
V
V
IN  
V
V
OUT  
–5V  
IN  
2.8VDC TO 18VDC  
800  
700  
600  
500  
400  
300  
200  
100  
RUN  
SS  
4.7µF  
60.4k  
22µF  
RT  
FB  
+
SYNC  
V
OUT  
130k  
GND  
2ꢀ5V  
3ꢀ3V  
5V  
OUT  
OUT  
OUT  
LTM8045  
8V  
OUT  
V
V
V
12V  
15V  
IN  
OUT  
OUT  
OUT  
RUN  
SS  
2
4
6
8
10 12 14 16 18  
100µF  
INPUT VOLTAGE (V)  
FB  
+
8045 TA01b  
RT  
45.3k  
SYNC  
OUT  
115k  
V
OUT  
5V  
GND  
8045 TA01b  
8045fc  
1
For more information www.linear.com/LTM8045  

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