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参数资料
| 型号： | LTC3416EFE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 4A 20TSSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 5 V |
| 输入电压： | 2.25 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 4A |
| 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： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-TSSOP-EP |
LTC3416
PI FU CTIO S
PGND (Pins 1, 10, 11, 20): Power Ground. Connect this
pin closely to the (–) terminal of C IN and C OUT .
R T (Pin 2): Oscillator Resistor Input. Connecting a resistor
to ground from this pin sets the switching frequency.
TRACK (Pin 3): Tracking Voltage Input. Applying a voltage
that is less than 0.8V to this pin enables tracking. During
tracking, the V FB pin will regulate to the voltage on this pin.
Do not float this pin.
RUN/SS (Pin 4): Run Control and Soft-Start Input. Forcing
this pin below 0.5V shuts down the LTC3416. In shutdown
all functions are disabled, drawing <1 μ A of supply current.
A capacitor to ground from this pin sets the ramp time to
full output current.
SGND (Pin 5): Signal Ground. All small-signal compo-
nents and compensation components should connect to
this ground, which in turn connects to PGND at one point.
SW (Pins 8, 9, 12, 13): Switch Node Connection to
Inductor. This pin connects to the drains of the internal
main and synchronous power MOSFET switches.
SV IN (Pin 16): Signal Input Supply. Decouple this pin to
the SGND capacitor.
PGOOD (Pin 17): Power Good Output. Open-drain logic
output that is pulled to ground when the output voltage is
not within ± 7.5% of the regulation point.
I TH (Pin 18): Error Amplifier Compensation Point. The
current comparator threshold increases with this control
voltage. Nominal voltage range for this pin is from 0.2V to
1.4V with 0.4V corresponding to the zero-sense voltage
(zero current).
V FB (Pin 19): Feedback Pin. Receives the feedback voltage
from a resistive divider connected across the output.
Exposed Pad (Pin 21): Ground. Connect to SGND.
NC (Pins 6, 15): No Connect.
PV IN (Pins 7, 14): Power Input Supply. Decouple this pin
to PGND with a capacitor.
3416fa
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3417 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 1.4A/800mA 4MHz Step-Down DC/DC Regulator |
| LTC3417A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator |
| LTC3417A-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator with POR |
| LTC3417A-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator |
| LTC3417AEDHC | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator |
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