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参数资料
| 型号： | LT3508EUF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3.2 A DUAL SWITCHING CONTROLLER, 1060 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封装： | 4 X 4 MM, PLASTIC, MO-220WGGD-X, QFN-24 |
| 文件页数： | 8/24页 |
| 文件大小： | 365K |
| 代理商： | LT3508EUF |
LT3508
16
3508f
APPLICATIONS INFORMATION
TRACK/SS1
(8a)
LT3508
20ms/DIV
VOUT1
1V/DIV
20ms/DIV
1V/DIV
20ms/DIV
1V/DIV
VOUT2
TRACK/SS2
0.1
mF
0.047
mF
3.3V
5V
TRACK/SS1
(8b)
LT3508
VOUT1
VOUT2
TRACK/SS2
0.22
mF
3.3V
5V
TRACK/SS1
(8e)
LT3508
VOUT1
VOUT2
TRACK/SS2
3.3V
5V
R1
28.7k
R2
10.0k
Independent Start-Up
Ratiometric Start-Up
Coincident Start-Up
TRACK/SS1
(8d)
LT3508
VOUT1
PG1
VOUT2
TRACK/SS2
0.1
mF
0.047
mF
3.3V
5V
EXTERNAL
SOURCE
Output Sequencing
Controlled Power Up and Down
+
–
TRACK/SS1
(8c)
LT3508
VOUT1
VOUT2
TRACK/SS2
0.1
mF
3.3V
5V
R1
28.7k
R2
10.0k
VOUT1
VOUT2
VOUT1
VOUT2
20ms/DIV
1V/DIV
20ms/DIV
1V/DIV
VOUT1
VOUT2
VOUT1
VOUT2
EXTERNAL SOURCE
Figure 8
Output Tracking and Sequencing
Complex output tracking and sequencing between channels
can be implemented using the LT3508’s TRACK/SS and
PG pins. Figure 8 shows several congurations for output
tracking and sequencing of 5V and 3.3V applications.
Independent soft-start for each channel is shown in
Figure 8a. The output ramp time for each channel is set
by the soft-start capacitor as described in the soft-start
section.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3508EUF#PBF | 功能描述:IC REG BUCK ADJ 1.4A DL 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3508EUF#TRPBF | 功能描述:IC REG BUCK ADJ 1.4A DL 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3508EUFPBF | 制造商:Linear Technology 功能描述:Sw. Regulator Dual 1.4A Step-Down QFN24 |
| LT3508EUF-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.4A Step-Down Switching Regulator |
| LT3508EUF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.4A Step-Down Switching Regulator |
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