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參數(shù)資料
| 型號： | TC51N5202ECBTR |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | EIAJ, SC-59, SOT-23A, 3 PIN |
| 文件頁數(shù)： | 10/15頁 |
| 文件大小： | 544K |
| 代理商： | TC51N5202ECBTR |
TC51
DS21429B-page 4
2002 Microchip Technology Inc.
3.0
DETAILED DESCRIPTION
In normal steady-state operation, when VIN > VDET -,
the output is high, see Figure 3-1. If and when the
input falls below VDET -, the output pulls down (Logic 0)
to VSS. Generally, VOUT can pull down to within 0.5V of
VSS at rated output current and input voltage. (Also see
Section 1.0, Electrical Characteristics).
The output, VOUT, stays valid until the input voltage falls
below the minimum operating voltage, VINMIN, of 0.7V.
Below this minimum operating voltage, the output is
undefined. During power-up or anytime VIN has fallen
below VINMIN, VOUT will remain undefined until VIN rises
above VINMIN, at which time the output becomes valid.
VOUT is maintained in its active low state while
VINMIN <VIN < VDET+. (VDET+ = VDET - + VHYST). If and
when the input rises above VDET+, the output will
assume its inactive state after Delay Time (TDLY).
FIGURE 3-1:
TIMING DIAGRAM
VIN
Detect Voltage VDET-
Minimum Operating
Voltage
VHYST
VDET+
Output Voltage
Release
Voltage
Ground Level
Delay Time (TDLY)
VOUT
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