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| 型号： | IR3504MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 26/42页 |
| 文件大小： | 0K |
| 描述： | IC CTRL XPHASE3 SVID 32-MLPQ |
| 标准包装： | 3,000 |
| 系列： | XPhase3™ |
| 应用： | 处理器 |
| 电流 - 电源： | 10mA |
| 电源电压： | 4.75 V ~ 7.5 V |
| 工作温度： | 0°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-MLPQ（5x5） |
| 包装： | 带卷 (TR) |
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IR3504
The Fault Table below describes ten different faults that can occur during normal operation and how the IR3504 IC
will react to protect the supply and the load from possible damage. The fault types that can occur are listed in row
one. Row two and three describes type and the method of clearing the faults, respectively. The first four faults are
latched in the UV fault and require the VCCL supply to be recycled (below UVLO threshold) to regain operation. The
rest of the faults, except for UVLO Vout, are latched in a SS fault which do not need VCCL supply recycled, but
instead will automatically resume operation when these fault conditions are no longer impinging on the system.
Most of the faults will disable the error amplifier (EA) and discharge the soft start capacitor. All of the faults flag
PGood. PGood returns to high impedance state (high) when the fault clears. The Delay row shows reaction time
after detecting a fault condition. Delays are provided to minimize the possibility of nuisance faults. Additional flagged
responses are used to communicate externally of a fault event (Over Voltage) so additional action can be taken.
System Fault Table
Fault
Type
Open
Daisy
Open
Sense
Open
Control
Over
Voltage
Disable
VID_OFF
SVID
UVLO
(VCCL)
OC
Before
OC
After
UVLO
(Vout)
Latch
UV Latch
SS Latch
No
Fault
Clearing
Recycle VCCL
SS discharge below 0.2V
No
Method
Outputs
Both
Single
Both
Both
Single
Both
Single
Single
Affected
Error
Amp
Disables
SS/DELx
Discharge
Flags
PGood
Yes
Yes
Yes
No
No
32
8
250ns
PHSOUT
SS/DELx
Delays
Clock
No
PHSOUT
No
Blanking
No
No
Pulses*
Discharge
No
Pulses
Pulses
Time
Threshold
Yes,
Additional
IINx and
Flagged
Response
No
Rosc pins
pulled-up to
No
VCCL**
* Pulse number range depends on Rosc value selected (See Specifications Table)
** Clears when OV condition ends
Table 5 Shows IR3504 system fault responses
Page 26
July 28, 2009
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3505 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
| IR3505MPBF | 功能描述:IC XPHASE3 CONTROL 16-MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:XPhase3™ 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
| IR3505MTRPBF | 功能描述:开关变换器、稳压器与控制器 XPHASE3 DDR VTT 7V 2A 3 Wire 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 |
| IR3505Z | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
| IR3505ZMPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
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