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| 型号： | ZL2004EVK1 |
| 厂商： | Intersil |
| 文件页数： | 23/42页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR ZL2004 |
| 标准包装： | 1 |
| 系列： | * |
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ZL2004
In addition to selecting the current sensing method, the
ZL2004 gives the power supply designer several
choices for the fault response during over or under
current condition. The user can select the number of
violations allowed before declaring fault, a blanking
time and the action taken when a fault is detected.
The blanking time represents the time when no current
measurement is taken. This is to avoid taking a reading
just after a current load step (less accurate due to
potential ringing). It is a configurable parameter.
Table 17. Pin-strap Settings for Current Sensing
ZL2004 provides an adjustable maximum full scale
sensing range. The range can be adjusted from 25 mV
to 50 mV using pin-strap or resistor setting method
violations and the blanking time using pin-strap.
Number of
Current Limit
Maximum
Allowed
ILIM Pin
Current Limiting Configuration
Violations
2
Threshold
V LIM
Current Sensing
Range
Output-referenced, down-slope sensing
LOW
(Inductor DCR sensing)
5
25 mV
25 mV
Blanking time: 224 ns
Output-referenced, down-slope sensing
OPEN
(Inductor DCR sensing)
5
35 mV
35 mV
Blanking time: 224 ns
Output-referenced, down-slope sensing
HIGH
(Inductor DCR sensing)
5
50 mV
50 mV
Blanking time: 224 ns
Resistor
1
Notes :
1. 10 k? < R ILIM0 < 100 k?
2. The number of violations allowed prior to issuing a fault response.
23
FN6846.3
February 15, 2011
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZL2005 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Digital-DC? Integrated Power Management and Conversion IC |
| ZL2005ALNF | 制造商:Intersil Corporation 功能描述:DIGITAL DC-DC CONTROLLER W/ DRIVERS - TRAY100 - Trays 制造商:Intersil Corporation 功能描述:IC REG CNTRLR BUCK PWM 36-QFN 制造商:Intersil Corporation 功能描述:Digital DC-DC Controller w/ Drivers - BULK 50 |
| ZL2005ALNFT | 功能描述:电压模式 PWM 控制器 DIGTL DC-DC CNTRLR W/DRVRS TR100 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| ZL2005ALNFT1 | 功能描述:电压模式 PWM 控制器 DIGTL DC-DC CNTRLR W/DRVRS TR1K RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| ZL2005P | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Digital-DC? Controller with Drivers and POLA/DOSA Trim |
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