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| 型号： | IR3876MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 12A 17QFN |
| 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： | 可调至 1MHz |
| 电流 - 输出： | 12A |
| 同步整流器： | 是 |
| 工作温度： | 0°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： | PQFN（5x6） |
PD-97763
IR3876MPBF
Sup IR Buck
TM
12A HIGHLY INTEGRATED
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
Description
60 C ambient temperature applications without
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Input Voltage Range: 3V to 21V
Output Voltage Range: 0.5V to 12V
Continuous 12A Load Capability
Constant On-Time control
Excellent Efficiency at very low output current levels
Compensation Loop not Required
Programmable switching frequency, soft start, and
over current protection
Power Good Output
Precision Voltage Reference (0.5V, +/-1%)
Pre-bias Start Up
Under/Over Voltage Fault Protection
Ultra small, low profile 5mm x 6mm QFN Package
The IR3876 SupIRBuck TM is an easy-to-use,
fully integrated and highly efficient DC/DC
voltage regulator. The onboard constant on time
hysteretic controller and MOSFETs make
IR3876 a space-efficient solution that delivers up
to 12A of precisely controlled output voltage in
o
airflow.
Programmable switching frequency, soft start,
and over current protection allows for a very
flexible solution suitable for many different
applications and an ideal choice for battery
Applications
powered applications.
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Notebook and desktop computers
Game consoles
Consumer electronics – STB, LCD, TV, printers
General purpose POL DC-DC converters
V5
VIN
(3V-21V)
(4.5V-7.5V)
R FF
Additional features include pre-bias startup, very
precise 0.5V reference, over/under voltage shut
down, power good output, and enable input with
voltage monitoring capability.
VCC
FF
VIN BOOT
C LDO
3VCBP
C BOOT
L
VOUT
(0.5V-12V)
PHASE
EN
IR3876
R ISET
C0
PGND
PGOOD
ISET
R 1
C SS
SS
GND
FB
R 2
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3876TR1PBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3891 | 制造商:IRF 制造商全称:International Rectifier 功能描述:Dual output, 4A/Phase, Highly Integrated SupIRBuck |
| IR3891MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:Dual output, 4A/Phase, Highly Integrated SupIRBuck |
| IR3891MTR1PBF | 功能描述:直流/直流开关调节器 4A Phase Dual Reg Single 5V to 21V PWM 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:2 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:PQFN 5 x 6 |
| IR3891MTRPBF | 制造商:International Rectifier 功能描述:Dual Output 4 A/Phase 1 to 21 V 1.5 MHz Synchronous Buck Regulator-PQFN 5 x 6 mm |
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