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参数资料
| 型号： | LTC3547EDDB-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ .3A DL 8DFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.6 V ~ 5.5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 2.25MHz |
| 电流 - 输出： | 300mA |
| 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： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN（3x2） |
LTC3547
TYPICAL PERFOR A CE CHARACTERISTICS
Load Regulation
Line Regulation
1.2
1.O
V OUT = 1.2V
V OUT = 1.8V
V OUT = 2.5V
V IN = 3.6V
0.6
0.4
V OUT = 1.8V
I LOAD = 100mA
0.8
0.6
Burst Mode
0.2
0
0.4
OPERATION
–0.2
0.2
0
–0.4
–0.2
0
50
100
150
200
250
300
350
–0.6
2.5
3
3.5
4
4.5
5
5.5
LOAD CURRENT (mA)
3547 G13
V IN (V)
3547 G14
RUN
2V/DIV
V OUT
1V/DIV
I L
100mA/DIV
Start-Up From Shutdown
RUN
2V/DIV
V OUT
1V/DIV
I L
200mA/DIV
Start-Up From Shutdown
V OUT , AC
COUPLED
100mV/DIV
I L
200mA/DIV
I LOAD
200mA/DIV
Load Step
V IN = 3.6V
V OUT = 1.8V
I LOAD = 0A
250 μ s/DIV
3547 G15
V IN = 3.6V
V OUT = 1.8V
I LOAD = 300mA
200 μ s/DIV
3547 G16
10 μ s/DIV
V IN = 3.6V
V OUT = 1.8V
I LOAD = 0mA TO 300mA
3547 G17
V OUT , AC
COUPLED
100mV/DIV
I L
200mA/DIV
I LOAD
200mA/DIV
Load Step
V OUT , AC
COUPLED
100mV/DIV
I L
200mA/DIV
I LOAD
200mA/DIV
Load Step
V IN = 3.6V
10 μ s/DIV
3547 G18
V IN = 3.6V
10 μ s/DIV
3547 G19
V OUT = 1.8V
I LOAD = 20mA TO 300mA
V OUT = 1.8V
I LOAD = 50mA TO 300mA
3547fa
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3548 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous,400mA/800mA, 2.25MHz Step-Down DC/DC Regulator |
| LTC3548-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator |
| LTC3548-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, Fixed/Adjustable Output, 2.25MHz Step-Down DC/DC Regulator |
| LTC3548A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator |
| LTC3548AEDD | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator |
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