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参数资料
| 型号： | IR3863MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 4/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A PQFN |
| 产品培训模块： | SupIRBuck? Family and POL Design Tools Overview |
| 标准包装： | 4,000 |
| 系列： | SupIRBuck™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.5 V ~ 12 V |
| 输入电压： | 3 V ~ 21 V |
| 频率 - 开关： | 最高 750kHz |
| 电流 - 输出： | 6A |
| 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： | 17-PowerVQFN |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 17-PowerQFN（4x5） |
IR3863MPBF
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
Recommendations 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 Rev3.2
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3865MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:10A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3865MTR1PBF | 功能描述:直流/直流开关调节器 10A SupIRBuck Reg 750kHz, 3.0-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| IR3865MTRPBF | 功能描述:直流/直流开关调节器 10A SupIRBuck Reg 750kHz, 3.0-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| IR3870MBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:10A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3870MTR1PBF | 功能描述:直流/直流开关调节器 10A SupIRBuck Reg 1000kHz, 3.0-26V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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