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参数资料
| 型号： | LTC3404MPMS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.6A 8MSOP |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 6 V |
| 输入电压： | 2.65 V ~ 6 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.4MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-MSOP |
LTC3404
TYPICAL PERFOR A CE CHARACTERISTICS
V OUT
100mV/DIV
I L
500mA/DIV
I TH
1V/DIV
Load Step Response
40 μ s/DIV
V OUT
100mV/DIV
I L
500mA/DIV
I TH
1V/DIV
Load Step Response
40 μ s/DIV
V OUT
100mV/DIV
I L
500mA/DIV
I TH
1V/DIV
Load Step Response
40 μ s/DIV
V IN = 3.6V C IN = 10 μ F
V OUT = 1.5V C OUT = 22 μ F
L = 4.7 μ H I LOAD = 200mA TO 500mA
3404 G17
V IN = 3.6V C IN = 10 μ F
V OUT = 1.5V C OUT = 22 μ F
L = 4.7 μ H I LOAD = 50mA TO 500mA
3404 G18
V IN = 3.6V C IN = 10 μ F
V OUT = 1.5V C OUT = 22 μ F
L = 4.7 μ H I LOAD = 50mA TO 500mA
3404 G19
PULSE SKIPPING MODE
PI FU CTIO S
PULSE SKIPPING MODE
Burst Mode OPERATION
RUN (Pin 1): Run Control Input. Forcing this pin below
0.4V shuts down the LTC3404. In shutdown all functions
are disabled drawing < 1 μ A supply current. Forcing this
pin above 1.2V enables the LTC3404. Do not leave RUN
floating.
I TH (Pin 2): Error Amplifier Compensation Point. The
current comparator threshold increases with this control
voltage. Nominal voltage range for this pin is from 0.5V
to 1.9V.
V FB (Pin 3): Feedback Pin. Receives the feedback voltage
from an external resistive divider across the output.
GND (Pin 4): Ground Pin.
SW (Pin 5): Switch Node Connection to Inductor. This pin
connects to the drains of the internal main and synchro-
nous power MOSFET switches.
V IN (Pin 6): Main Supply Pin. Must be closely decoupled
to GND, Pin 4.
SYNC/MODE (Pin 7): External Clock Synchronization and
Mode Select Input. To synchronize with an external clock,
apply a clock with a frequency between 1MHz and 1.7MHz.
To select Burst Mode operation, tie to V IN . Grounding this
pin selects pulse skipping mode. Do not leave this pin
floating.
PLL LPF (Pin 8): Output of the Phase Detector and Control
Input of Oscillator. Connect a series RC lowpass network
from this pin to ground if externally synchronized. If
unused, this pin may be left open.
3404fb
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3405 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Standalone 250mA Li-Ion Battery Charger in 2 × 2 DFN |
| LTC3405A | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5MHz, 300mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3405A-1.375 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT |
| LTC3405A-1.5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT |
| LTC3405A-1.8 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT |
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