參數(shù)資料
型號(hào)： IR3628MPBF
廠商： International Rectifier
英文描述： HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER
中文描述： 高頻同步PWM降壓控制器
文件頁(yè)數(shù)： 17/22頁(yè)
文件大小： 581K
代理商： IR3628MPBF
IR3628MPbF
08/10/2007
Pin Description
Pin Name
Description
1
Vref
External reference voltage. Drive capability for this pin is 2uA.
2
Vcc
This pin provides power for the internal blocks of the IC as well as powers
the low side driver. A minimum of 0.1uF, high frequency capacitor must
be connected from this pin to power ground.
3
LDrv
Output driver for low side MOSFET
4
PGnd
Power Ground. This pin serves as a separate ground for the MOSFET
drivers and should be connected to the system’s power ground plane.
5
HDrv
Output driver for high side MOSFET
6
Vc
This pin powers the high side driver and must be connected to a voltage
higher than bus voltage. A minimum of 0.1uF, high frequency capacitor
must be connected from this pin to power ground.
7
Vp
Non inverting input of error amplifier, this pin can be used for tracking
application.
8
Fb
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.
9
Comp
Output of error amplifier. An external resistor and capacitor network is
typically connected from this pin to ground to provide loop compensation.
10
Gnd
Signal ground for internal reference and control circuitry.
11
SS/SD
Soft start / shutdown. This pin provides user programmable soft-start
function. Connect an external capacitor from this pin to ground to set the
start up time of the output voltage. The converter can be shutdown by
pulling this pin below 0.3V.
12
OCSet
Current limit set point. A resistor from this pin to drain of low side
MOSFET will set the current limit threshold.
4
相關(guān)PDF資料
PDF描述
IR3628MTRPBF HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER
IR3629AMPBF HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
IR3629AMTRPBF HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
IR3629A HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
IR3629 HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IR3628MTRPBF 功能描述:電壓模式 PWM 控制器 HI FREQ SYNC PWM 600kHz 5 or 12V 0.6 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
IR3629 制造商:IRF 制造商全稱:International Rectifier 功能描述:HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
IR3629A 制造商:IRF 制造商全稱:International Rectifier 功能描述:HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
IR3629AMPBF 制造商:IRF 制造商全稱:International Rectifier 功能描述:HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
IR3629AMTRPBF 功能描述:電壓模式 PWM 控制器 HI FREQ SYNC PWM 600kHz 5 or 12V 0.6 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
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