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参数资料
| 型号： | LTC3414EFE#PBF |
| 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： | 74 |
| 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，混合 |
| 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： | 管件 |
| 供应商设备封装： | 20-TSSOP-EP |
| 产品目录页面： | 1334 (CN2011-ZH PDF) |
LTC3414
TYPICAL PERFOR A CE CHARACTERISTICS
Load Step Transient Burst Mode
OUTPUT
VOLTAGE
Operation
V RUN
Start-Up Transient
100mV/DIV
OUTPUT
VOLTAGE
INDUCTOR
CURRENT
2A/DIV
INDUCTOR
CURRENT
2A/DIV
20 μ s/DIV
V IN = 3.3V, V OUT = 2.5V
LOAD STEP = 250mA TO 4A
3414 G18
1ms/DIV
V IN = 3.3V, V OUT = 2.5V
LOAD = 4A
3414 G19
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 .
RT (Pin 2): Oscillator Resistor Input. Connecting a resistor
to ground from this pin sets the switching frequency.
SYNC/MODE (Pin 3): Mode Select and External Clock
Synchronization Input. To select Forced Continuous, tie to
SV IN . Connecting this pin to a voltage between 0V and 1V
selects Burst Mode operation with the burst clamp set to
the pin voltage.
RUN/SS (Pin 4): Run Control and Soft-Start Input. Forcing
this pin below 0.5V shuts down the LTC3414. In shutdown
all functions are disabled. Less than 1 μ A of supply current
is consumed. A capacitor to ground from this pin sets the
ramp time to full output current.
SGND (Pin 5): Signal Ground. All small signal components
and compensation components should connect to this
ground, which in turn connects to PGND at one point.
NC (Pin 6): Open. No internal connection.
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.
NC (Pin 15): Open. No internal connection.
SV IN (Pin 16): Signal Input Supply. Decouple this pin to
SGND with a 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 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): Should be connected to SGND and
soldered to the PCB.
PV IN (Pins 7, 14): Power Input Supply. Decouple this pin
to PGND with a capacitor.
3414fb
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3414IFE | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 2.25V to 5.5V 20-Pin TSSOP EP |
| LTC3414IFE N57875 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| LTC3414IFE#PBF | 功能描述:IC REG BUCK SYNC ADJ 4A 20TSSOP 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 |
| LTC3414IFE#PBF | 制造商:Linear Technology 功能描述:IC SYNC STEP-DOWN REGULATOR 20-TSSOP 制造商:Linear Technology 功能描述:IC, SYNC STEP-DOWN REGULATOR, 20-TSSOP |
| LTC3414IFE#TR | 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, 4MHz, 4A Synch Step-dwn Regulator I Grade |
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