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LTC3822EGN-1 PDF预览

LTC3822EGN-1

更新时间: 2024-01-05 10:39:15
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
24页 371K
描述
No RSENSE, Low Input Voltage, Synchronous Step-Down DC/DC Controller

LTC3822EGN-1 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP16,.3
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.18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:4.5 V最小输入电压:2.75 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:4.8895 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP16,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:850 kHz技术:CMOS
温度等级:COMMERCIAL EXTENDED端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.899 mmBase Number Matches:1

LTC3822EGN-1 数据手册

 浏览型号LTC3822EGN-1的Datasheet PDF文件第1页浏览型号LTC3822EGN-1的Datasheet PDF文件第2页浏览型号LTC3822EGN-1的Datasheet PDF文件第3页浏览型号LTC3822EGN-1的Datasheet PDF文件第5页浏览型号LTC3822EGN-1的Datasheet PDF文件第6页浏览型号LTC3822EGN-1的Datasheet PDF文件第7页 
LTC3822-1  
T = 25°C unless otherwise noted.  
A
TYPICAL PERFORMANCE CHARACTERISTICS  
Efficiency/Power Loss  
vs Load Current  
Load Step (Continuous Mode)  
Load Step (Pulse Skip Mode)  
100  
90  
100  
10  
V
IN  
= 3.3V, V  
= 1.8V  
OUT  
V
V
OUT  
OUT  
AC COUPLED  
200mV/DIV  
80  
AC COUPLED  
200mV/DIV  
EFFICIENCY  
70  
1
60  
50  
INDUCTOR  
CURRENT  
2A/DIV  
INDUCTOR  
CURRENT  
2A/DIV  
40  
30  
20  
10  
0
0.1  
POWER LOSS  
FIGURE 10 CIRCUIT  
Burst Mode OPERATION  
PULSE SKIPPING  
0.01  
0.001  
38221 G04  
38221 G02  
50µs/DIV  
FIGURE 10 CIRCUIT  
50µs/DIV  
FIGURE 10 CIRCUIT  
CONTINUOUS MODE  
10  
100  
1000  
10000  
LOAD CURRENT (mA)  
38221 G01  
Undervoltage Lockout Threshold  
vs Temperature  
Regulated Feedback Voltage  
vs Temperature  
Load Step (Burst Mode Operation)  
2.55  
2.50  
2.45  
2.40  
2.35  
2.30  
2.25  
2.20  
2.15  
0.604  
0.603  
0.602  
0.601  
0.600  
0.599  
0.598  
0.597  
0.596  
V
OUT  
V
RISING  
IN  
AC COUPLED  
200mV/DIV  
INDUCTOR  
CURRENT  
2A/DIV  
V
FALLING  
IN  
38221 G05  
50µs/DIV  
FIGURE 10 CIRCUIT  
40 60  
TEMPERATURE (°C)  
–60 –40 –20  
0
20  
80 100  
–50  
0
50  
100  
TEMPERATURE (°C)  
38212 G06  
38221 G07  
Shutdown (RUN) Threshold  
vs Temperature  
Maximum Current Sense  
Threshold vs Temperature  
Oscillator Frequency  
vs Temperature  
10  
8
1.20  
1.15  
1.10  
1.05  
1.00  
135  
130  
125  
120  
115  
IPRG = FLOAT  
6
4
2
0
–2  
–4  
–6  
–8  
–10  
40 60  
–60 –40 –20  
TEMPERATURE (°C)  
40 60  
–60 –40 –20  
TEMPERATURE (°C)  
40 60  
TEMPERATURE (°C)  
0
20  
80 100  
0
20  
80 100  
–60 –40 –20  
0
20  
80 100  
38221 G10  
38221 G08  
3822 G09  
38221f  
4

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