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| 型号： | IR3523MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 23/37页 |
| 文件大小： | 0K |
| 描述： | IC XPHASE3 CTLR VR11.1 40-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： | 40-MLPQ |
| 供应商设备封装： | 40-MLPQ（6x6） |
| 包装： | 带卷 (TR) |
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IR3523
The Fault Table below describes ten different faults that can occur during normal operation and how the IR3523 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 the 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
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
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
Pulses*
Discharge
No
Pulses
Pulses
Time
Threshold
Yes,
Additional
IINx and Rosc pins
Flagged
No
pulled-up to VCCL**
No
Response
* Pulse number range depends on Rosc value selected (See Specifications Table)
** Clears when OV condition ends
Table 3 - IR3523 system fault responses
Page 23 of 37
June 20, 2008
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相关代理商/技术参数 |
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|---|---|
| IR3527 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM DUAL PHASE IC |
| IR3527MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM DUAL PHASE IC |
| IR3527MTRPBF | 功能描述:开关变换器、稳压器与控制器 XPHASE3 Dual Phase 7V 1.3A PMIC 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 |
| IR3529 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
| IR3529MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
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