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参数资料
| 型号： | IRDC3839 |
| 厂商： | International Rectifier |
| 文件页数： | 4/35页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL REG 6A SUPIRBUCK DC/DC |
| 标准包装： | 1 |
| 系列： | SupIRBuck™ |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.8V |
| 电流 - 输出： | 6A |
| 输入电压： | 12V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 600kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | IR3839 |
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IR3839MPbF
Pin Description
Pin Name
Description
Inverting input to the error amplifier. This pin is connected directly to the
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Fb
Vref
Comp
Gnd
Rt
OCset
PGood
Sync
Vin
V CC
/LDO_out
PGnd
SW
PVin
Boot
Enable
Vp
Gnd
Rev 1.41
output of the regulator via resistor divider to set the output voltage and
provide feedback to the error amplifier
External reference voltage, can be used for margining operation. A
100nF capacitor should be connected between this pin and Gnd.
Output of error amplifier. An external resistor and capacitor network is
typically connected from this pin to Fb to provide loop compensation
Signal ground for internal reference and control circuitry
Use an external resistor from this pin to Gnd to set the switching
frequency
Current limit set point. A resistor from this pin to SW pin will set the
current limit threshold
Power Good status pin. Output is open drain. Connect a pull up resistor
from this pin to Vcc
External Synchronization, this pin is used to synchronize the device’s
switching with an external clock. It is recommended that the external
Sync clock be set to 20% above the free-running frequency. If not used,
this pin can be left floating.
Input voltage for Internal LDO. A 1.0μF capacitor should be connected
between this pin and PGnd. If external supply is connected to
Vcc/LDO_out pin, this pin should be left floating.
Input Bias Voltage, output of internal LDO. Place a minimum 2.2μF cap
from this pin to PGnd
Power Ground. This pin serves as a separated ground for the MOSFET
drivers and should be connected to the system’s power ground plane.
Switch node. This pin is connected to the output inductor
Input voltage for power stage
Supply voltage for high side driver, a 100nF capacitor should be
connected between this pin and SW pin.
Enable pin to turn on and off the device, if this pin is connected to PVin
pin through a resistor divider, input voltage UVLO can be implemented.
Input to error amplifier for tracking purposes
Signal ground for internal reference and control circuitry
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRDC3840 | 功能描述:电源管理IC开发工具 IR3840 SYNC CONV 600kHz EVAL BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3840A | 制造商:IRF 制造商全称:International Rectifier 功能描述:USER GUIDE FOR IR3840A EVALUATION BOARD |
| IRDC3840W | 功能描述:电源管理IC开发工具 User Guide IR3840W Eval Brd RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3841 | 功能描述:电源管理IC开发工具 IR3841 SYNC CONV 600kHz EVAL BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3841W | 功能描述:电源管理IC开发工具 User Guide IR3841W Eval Brd RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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