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参数资料
| 型号： | IRDC3865 |
| 厂商： | International Rectifier |
| 文件页数： | 4/22页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL SUPIRBUCK IR3865 |
| 产品培训模块： | SupIRBuck? Family and POL Design Tools Overview |
| 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： | 10A |
| 输入电压： | 7 ~ 16 V |
| 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： | IR3865 |
IR3865MPBF
Pin Description
I/O
NAME
FCCM
NUMBER
1
LEVEL
3.3V
DESCRIPTION
Forced Continuous Conduction Mode (CCM). Ground this pin
to enable diode emulation mode or discontinuous conduction
mode (DCM). Pull this pin to 3.3V to operate in CCM under all
load conditions.
ISET
2
Connecting resistor to PHASE pin sets over current trip point.
PGOOD
GND
FB
SS
3
4,17
5
6
5V
Reference
3.3V
3.3V
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
-
For internal LDO. Bypass with a 1.0μF capacitor to AGND. A
resistor in series with the bypass capacitor may be required in
single-ground plane designs. Refer to Layout Recommendation
for details.
NC
VCC
9
10
-
5V
-
VCC input. Gate drive supply. A minimum of 1.0μF ceramic
capacitor is required.
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.
8/8/2012 Rev3.1
4
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相关代理商/技术参数 |
参数描述 |
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| IRDC3870 | 功能描述:电源管理IC开发工具 USER GUIDE FOR IR3870 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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| 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 |
| IRDC3894 | 功能描述:电源管理IC开发工具 Design Kit Featuring IR3894M 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 |
| 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 |
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