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LTM4643MPV#PBF PDF预览

LTM4643MPV#PBF

更新时间: 2024-02-03 06:34:51
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
32页 554K
描述
LTM4643 - Ultrathin Quad µModule Regulator with Configurable 3A Output Array; Package: LGA; Pins: 77; Temperature Range: -55°C to 125°C

LTM4643MPV#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:LGA包装说明:LGA,
针数:77Reach Compliance Code:compliant
风险等级:8.49其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 3.3V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:20 V
最小输入电压:4 V标称输入电压:12 V
JESD-30 代码:R-PBGA-N77长度:15 mm
功能数量:1端子数量:77
最高工作温度:125 °C最低工作温度:-55 °C
封装主体材料:PLASTIC/EPOXY封装代码:LGA
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:1.92 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:1200 kHz温度等级:MILITARY
端子形式:NO LEAD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:9 mmBase Number Matches:1

LTM4643MPV#PBF 数据手册

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LTM4643  
TYPICAL PERFORMANCE CHARACTERISTICS  
1.8V Output Transient Response  
2.5V Output Transient Response  
3.3V Output Transient Response  
V
V
OUT  
V
OUT  
OUT  
50mV/DIV  
50mV/DIV  
50mV/DIV  
AC-COUPLED  
AC-COUPLED  
AC-COUPLED  
LOAD STEP  
1A/DIV  
LOAD STEP  
1A/DIV  
LOAD STEP  
1A/DIV  
4643 G07  
4643 G08  
4643 G09  
V
V
= 12V  
20µs/DIV  
V
V
= 12V  
20µs/DIV  
V
V
= 12V  
20µs/DIV  
IN  
OUT  
IN  
OUT  
IN  
OUT  
= 1.8V  
= 2.5V  
= 3.3V  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE  
FEED FORWARD CAP = 100pF  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE  
FEED FORWARD CAP = 100pF  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE  
FEED FORWARD CAP = 100pF  
Short-Circuit with No Load  
Applied  
Start-Up with No Load Applied  
Start-Up with 3A Load Applied  
I
I
I
IN  
0.5A/DIV  
IN  
IN  
0.5A/DIV  
0.5A/DIV  
V
OUT  
0.5V/DIV  
V
V
OUT  
0.5V/DIV  
OUT  
0.5V/DIV  
4643 G10  
4643 G11  
4643 G12  
V
V
= 12V  
5ms/DIV  
V
V
= 12V  
5ms/DIV  
V
V
= 12V  
5ms/DIV  
IN  
OUT  
IN  
OUT  
IN  
OUT  
= 1.5V  
= 1.5V  
= 1.5V  
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
SOFT START = 0.1µF  
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
SOFT START = 0.1µF  
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
Short-Circuit with 3A Load  
Applied  
Short-Circuit with 3A Load  
Applied  
Output Ripple  
I
I
IN  
IN  
0.5A/DIV  
V
0.5A/DIV  
OUT  
5mV/DIV  
AC-COUPLED  
350kHz  
V
V
OUT  
OUT  
0.5V/DIV  
0.5V/DIV  
BANDWIDTH  
4643 G13  
4643 G15  
4643 G14  
V
V
= 12V  
20µs/DIV  
V
V
= 12V  
2µs/DIV  
V
V
= 12V  
20µs/DIV  
IN  
OUT  
IN  
OUT  
IN  
OUT  
= 1.5V  
= 1.5V  
= 1.5V  
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
OUTPUT CAPACITOR = 2 × 47µF CERAMIC CAP  
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP  
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP  
4643fb  
5
For more information www.linear.com/LTM4643  

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