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参数资料
| 型号： | IRDC3871 |
| 厂商： | International Rectifier |
| 文件页数： | 4/21页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR IRDC3871 |
| 标准包装： | 1 |
| 系列： | SupIRBuck™ |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.05V |
| 电流 - 输出： | 8A |
| 输入电压： | 12V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | IR3871 |
IR3871MPBF
Pin Description
NAME
NUMBER
I/O
DESCRIPTION
LEVEL
NC
ISET
PGOOD
GND
FB
SS
1
2
3
4,17
5
6
-----
5V
Reference
3.3V
3.3V
No connection.
Connecting resistor to PHASE pin sets over current trip point.
Power good open drain output – pull up with a resistor to 3.3V.
Bias return and signal reference.
Inverting input to PWM comparator, OVP / PGood sense.
Soft start/shutdown. This pin provides user programmable soft-
start function. Connect an external capacitor from this pin to
GND to set the startup time of the output voltage. The converter
can be shutdown by pulling this pin below 0.3V.
NC
3VCBP
7
8
-----
3.3V
No connection.
LDO output. A minimum of 1.0 μF ceramic capacitor is required
from 3VCBP to GND.
NC
VCC
9
10
-----
5V
No connection.
Gate drive supply. A minimum of 1.0μF ceramic capacitor must
be connected from this pin to the power return (PGND).
PGND
PHASE
VIN
BOOT
11
12
13
14
Reference
VIN
VIN
VIN +VCC
Power return.
Phase node (or switching node) of MOSFET half bridge.
Input voltage for the system.
Bootstrapped gate drive supply – connect a capacitor to
PHASE.
FF
EN
15
16
VIN
5V
Input voltage feed forward – sets on-time with a resistor to VIN.
Enable pin to turn on and off the device. Use two external
resistors to set the turn on threshold (see Electrical
Specifications ) for input voltage monitoring.
4
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相关代理商/技术参数 |
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| IRDC3876 | 制造商:International Rectifier 功能描述:9999V 999.000A POL IC - Rail/Tube 制造商:International Rectifier 功能描述:BOARD EVAL FOR IR3876 |
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| IRDC3895 | 功能描述:电源管理IC开发工具 Design Kit Featuring IR3895M 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 |
| IRDC3897 | 功能描述:电源管理IC开发工具 Design Kit POL IC 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 |
| IRDC3897-P1V2 | 制造商:IRF 制造商全称:International Rectifier 功能描述:USER GUIDE FOR IR3897 EVALUATION BOARD |
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