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參數(shù)資料
| 型號： | XC6207B122PL |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | CMOS Low Power Consumption |
| 中文描述： | CMOS低功耗 |
| 文件頁數(shù)： | 14/30頁 |
| 文件大?。?/td> | 723K |
| 代理商： | XC6207B122PL |
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XC6207
Series
14
Data Sheet
ud200527
■
OPERATIONAL EXPLANATION (Continued)
<Current Limiter, Short-Circuit Protection>
The XC6207 series includes a combination of a fixed current limiter circuit & a foldback circuit, which aid the operations
of the current limiter and circuit protection. When the load current reaches the current limit level, the fixed current limiter
circuit operates and output voltage drops. As a result of this drop in output voltage, the foldback circuit operates, output
voltage drops further and output current decreases. When the output pin is shorted, a current of about 50mA flows.
<CE Pin>
The IC's internal circuitry can be shutdown via the signal from the CE pin with the XC6207 series. In shutdown mode,
output at the V
OUT
pin will be pulled down to the V
SS
level via R1 & R2. However, as for the XC6207B series, the CL
auto-discharge resistor is connected in parallel to R1 and R2 while the power supply is applied to the V
IN
pin.
Therefore, time until the V
OUT
pin reaches the V
SS
level becomes short. Although the CE pin is equal to an inverter input
with CMOS hysteresis, with either the pull-up or pull-down options, the CE pin input current will increase when the IC is in
operation. We suggest that you use this IC with either a V
IN
voltage or a V
SS
voltage input at the CE pin. If this IC is used
with the correct specifications for the CE pin, the IC will operate normally. However, supply current may increase as a
result of through current in the IC's internal circuitry when medium voltage is input.
■
NOTES ON USE
1
.
Please use this IC within the stated absolute maximum ratings. The IC is liable to malfunction should the ratings be
exceeded.
2.
Where wiring impedance is high, operations may become unstable due to noise and/or phase lag depending on output current.
Please strengthen V
IN
and V
SS
wiring in particular.
3. Please wire the input capacitor (C
IN
) and the output capacitor (CL) as close to the IC as possible.
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