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参数资料
| 型号： | IR3801AMTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 4/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 9A 15QFN |
| 产品培训模块： | SupIRBuck? Family and POL Design Tools Overview |
| 产品变化通告： | (EP) Parts Discontinuation 25/May/2012 |
| 标准包装： | 1 |
| 系列： | SupIRBuck™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 12 V |
| 输入电压： | 2.5 V ~ 21 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 9A |
| 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： | 15-PowerVQFN |
| 包装： | 标准包装 |
| 供应商设备封装： | PQFN（5x6） |
| 产品目录页面： | 1384 (CN2011-ZH PDF) |
| 其它名称： | IR3801AMTRPBFDKR |
PD-60355
IR3801AMPbF
Pin Description
Pin Name
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NC
Fb
Comp
AGnd
AGnd
SS/SD
OCSet
V CC
NC
PGnd
SW
V IN
HG
V C
AGnd
No Connect
Inverting input to the error amplifier. This pin is connected directly to the
output of the regulator via resistor divider to set the output voltage and
provide feedback to the error amplifier.
Output of error amplifier.
Signal ground for internal reference and control circuitry.
Signal ground for internal reference and control circuitry.
Soft start / shutdown. This pin provides user programmable soft-start
function. Connect an external capacitor from this pin to signal ground
(AGnd) to set the start up time of the output voltage. The converter can
be shutdown by pulling this pin below 0.3V.
Current limit set point. A resistor from this pin to SW pin will set the
current limit threshold.
This pin provides biasing voltage for the internal blocks of the IC. It also
powers the low side driver. A minimum of 0.1uF, high frequency
capacitor must be connected from this pin to power ground (PGnd).
No Connect
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 connection pin
This pin is connected to the high side Mosfet gate. Connect a small
capacitor from this pin to switch node (SW).
This pin powers the high side driver and must be connected to a voltage
higher than input voltage. A minimum of 0.1uF high frequency capacitor
must be connected from this pin to the power ground (PGnd).
Signal ground for internal reference and control circuitry.
Pins 4, 5 and 15 need to be connected together on system board.
11/04/08
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3801MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:SupIRBuckTM |
| IR3801MTR1PBF | 功能描述:直流/直流开关调节器 7A SupIRBuck Reg 600kHz, 2.5-21V 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 |
| IR3801MTRPBF | 功能描述:直流/直流开关调节器 7A SupIRBuck Reg 600kHz, 2.5-21V 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 |
| IR3802AMPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:SupIRBuckTM |
| IR3802AMTR1PBF | 功能描述:直流/直流开关调节器 6A SupIRBuck Reg 300kHz, 2.5-21V 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 |
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