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参数资料
| 型号： | LTC3615EUF-1#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/32页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A DL 24QFN |
| 标准包装： | 91 |
| 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： | 2.25 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 400kHz ~ 4MHz |
| 电流 - 输出： | 3A |
| 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： | 24-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
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LTC3615/LTC3615-1
PIN FUNCTIONS
(FE/UF)
behavior for channel 1 is programmable with the TRACK/
SS1 pin:
1. Internal soft-start with a fixed timing can be programmed
by tying TRACK/SS1 to SV IN .
2. External soft-start can be programmed with the timing
set by a capacitor to ground and a resistor to SV IN .
3. Tracking the start-up behavior of another supply is
programmable (see the Applications Information
section).
4. The pin can be used as external reference input.
ITH1 (Pin 22/Pin 1): Error Amplifier Compensation. Con-
nection for external compensation from ITH to SGND.
The current comparator’s threshold increases with this
control voltage. Tying this pin to SV IN enables AVP mode
with internal compensation.
V FB1 (Pin 23/Pin 2): Voltage Feedback Input Pin for
Channel 1. Receives the feedback voltage for channel 1
from the external resistive divider across the output.
MODE (Pin 24/Pin 3): Mode Selection.
1. Tying the MODE pin to SV IN or SGND enables pulse-
skipping mode or Burst Mode operation (with an internal
Burst Mode clamp), respectively.
2. If this pin is held at slightly higher than half of SV IN ,
forced continuous mode will be selected.
3. Connecting this pin to an external voltage will select
Burst Mode operation with the burst clamp set to the
pin voltage.
PGND (Exposed Pad Pin 25/ Exposed Pad Pin 25): Power
Ground. The exposed pad connects to the sources of the
power N-channel MOSFETs. The PGND pin is common
for both channels. The exposed pad must be soldered
to the PCB.
For electrical connection and rated thermal performance,
refer to the Operation and Applications Information sec-
tions for more information.
10
For more information www.linear.com/LTC3615
3615fb
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相关代理商/技术参数 |
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|---|---|
| LTC3615EUFPBF | 制造商:Linear Technology 功能描述:Dual 4MHz 3A Synch Step-Down DC/DC QFN24 |
| LTC3615HFE#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
| LTC3615HFE#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
| LTC3615HFE-1#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
| LTC3615HFE-1#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
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