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| 型号： | IR3622AMTRPbF |
| 厂商： | International Rectifier |
| 英文描述： | HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING |
| 中文描述： | 高频2相，单或双输出同步降压控制器，输出跟踪和排序 |
| 文件页数： | 1/33页 |
| 文件大小： | 690K |
| 代理商： | IR3622AMTRPBF |
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IR3622AMPbF
www.irf.com
HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP
DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING
Applications
Embedded Telecom Systems
Distributed Point of Load Power Architectures
Computing Peripheral Voltage Regulator
Graphics Card
General DC/DC Converters
Data Sheet No PD94723 revA
ORDERING INFORMATION
PKG
PACKAGE
PIN
PARTS
T&R
DESIG DESCRIPTION
COUNT PER TUBE
PER REEL
ORIANTAION
M
IR3622AMPbF
32
73
-------
M
IR3622AMTRPbF
32
--------
3000
Fig A
Simultaneous Powerup
Vo1
Vo2
Simultaneous Powerdown
Vo1
Vo2
Vo1
Vo2
Ratiometric Powerup
Vo1
Vo2
Ratiometric Powerdown
Vin
Vout1
PGnd1
LDrv1
HDrv1
LDrv2
HDrv2
Gnd
Comp2
Comp1
SS1 / SD
IR3622A
Rt
SS2 / SD
PGnd2
OCSet2
OCSet1
Vin
Vout2
Vout1
Track
03/21/07
Features
Dual Synchronous Controller with 180o
Out of Phase Operation
Configurable to 2-Independent Outputs or Current
Shared Single Output
Output Voltage Tracking
Power up / down Sequencing
Current Sharing Using Inductor’s DCR
+/-1% Accurate Reference Voltage
Programmable Switching Frequency up 600kHz
Programmable Over Current Protection
Hiccup Current Limit Using MOSFET R
ds(on) sensing
Latched Overvoltage Protection
Dual Programmable Soft-Starts
Programmable Enable Input
Pre-Bias Start-up
Dual Power Good Outputs
On Board Regulator
External Frequency Synchronization
Thermal Protection
32-Lead MLPQ Package
Description
The IR3622A IC integrates a dual synchronous
Buck controller, providing a high performance and
flexible solution. The IR3622A can be configured
as 2-independent outputs or as current shared
single output. The current share configuration is
ideal for high current applications.
The IR3622A enables output tracking and
sequencing of multiple rails in either ratiometric or
simultaneous fashion. The IR3622A features 180o
out of phase operation which reduces the
required input/output capacitance and results in
lower number of capacitors. The switching
frequency is programmable from 200kHz to
600kHz per phase using one external resistor. In
addition, IR3622A also allows the switching
frequency to be synchronized to an external clock
signal.
Other key features offered by this device include
two independent programmable soft starts, two
independent power good outputs, precision
enable input, and under voltage lockout function.
The current limit is provided by sensing the lower
MOSFET's on-resistance for optimum cost and
performance. The output voltages are monitored
through dedicated pins to protect against open
circuit, and enhance faster response to an
overvoltage event.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3622MPBF | 功能描述:IC REG CTRLR BUCK PWM VM 32MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| IR3622MTRPBF | 功能描述:开关变换器、稳压器与控制器 HI FREQ 2-PHASE Single or Dual SYNCH RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| IR3623MPBF | 功能描述:IC REG CTRLR BUCK PWM VM 32MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| IR3623MPBF_1 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING |
| IR3623MTRPBF | 功能描述:开关变换器、稳压器与控制器 HI FREQ 2-PHASE Single or Dual SYNCH RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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