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LTC3822EGN-1 PDF预览

LTC3822EGN-1

更新时间: 2024-01-01 15:50:34
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4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页浏览型号LTC3822EGN-1的Datasheet PDF文件第8页 
LTC3822-1  
T = 25°C unless otherwise noted.  
A
TYPICAL PERFORMANCE CHARACTERISTICS  
Shutdown Quiescent Current  
vs Input Voltage  
Maximum Current Sense Voltage  
Oscillator Frequency  
vs Input Voltage  
vs I Pin Voltage  
TH  
100  
80  
60  
40  
20  
0
5
4
18  
16  
14  
12  
10  
8
Burst Mode OPERATION  
(I RISING)  
TH  
Burst Mode OPERATION  
3
(I FALLING)  
TH  
FORCED CONTINUOUS  
MODE  
2
1
PULSE SKIPPING  
MODE  
0
–1  
–2  
–3  
–4  
–5  
6
4
2
–20  
0
0.5  
1
I
1.5  
VOLTAGE (V)  
2
2.5  
3.0  
3.5  
4.0  
4.5  
2.5  
3.0  
3.5  
4.0  
4.5  
INPUT VOLTAGE (V)  
INPUT VOLTAGE (V)  
TH  
38221 G03  
38221 G11  
38221 G12  
Quiescent Current in Normal  
Operation vs Input Voltage  
Start-Up with External Soft-Start  
Capacitor  
Start-Up with Internal Soft-Start  
390  
380  
370  
360  
350  
340  
330  
V
RUN  
1V/DIV  
V
RUN  
1V/DIV  
V
TRACK/SS  
1V/DIV  
V
OUT  
1V/DIV  
V
OUT  
1V/DIV  
38221 G14  
38221 G15  
200µs/DIV  
FIGURE 10 CIRCUIT  
4ms/DIV  
FIGURE 10 CIRCUIT  
V
V
= 3.3V  
V
V
= 3.3V  
IN  
OUT  
IN  
OUT  
= 1.8V  
= 1.5Ω  
= 1.8V  
= 1.5Ω  
2.5  
3.0  
3.5  
4.0  
4.5  
R
R
LOAD  
LOAD  
INPUT VOLTAGE (V)  
C
= 0.01µF  
SS  
3822 G13  
Soft-Start with Tracking  
Continuous Mode Operation  
V
TRACK/SS  
V
SW  
500mV/DIV  
2V/DIV  
V
OUT  
V
OUT  
20mV/DIV  
1V/DIV  
AC COUPLED  
I
L
2A/DIV  
38221 G16  
38221 G17  
4ms/DIV  
2µs/DIV  
FIGURE 10 CIRCUIT  
FIGURE 10 CIRCUIT  
V
V
= 3.3V  
V
IN  
V
OUT  
= 3.3V  
IN  
OUT  
= 1.8V  
= 1.5Ω  
= 1.8V, 100mA  
R
LOAD  
38221f  
5

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