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参数资料
| 型号： | XC6108C26AMR-G |
| 厂商： | Torex Semiconductor Ltd |
| 文件页数： | 15/22页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR 2.6V SOT25-5 |
| 标准包装： | 3,000 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 电压 - 阀值： | 2.6V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-25 |
| 包装： | 带卷 (TR) |
XC6108
Series
■ NOTES ON USE
1. Use this IC within the stated maximum ratings. Operation beyond these limits may cause degrading or permanent damage
to the device.
2. The power supply input pin voltage drops by the resistance between power supply and the V IN pin, and by through current
at operation of the IC. At this time, the operation may be wrong if the power supply input pin voltage falls below the
minimum operating voltage range. In CMOS output, for output current, drops in the power supply input pin voltage
similarly occur.
Moreover, in CMOS output, when the V IN pin and the sense pin are short-circuited and used, oscillation of
the circuit may occur if the drops in voltage, which caused by through current at operation of the IC, exceed the hysteresis
voltage. Note it especially when you use the IC with the V IN pin connected to a resistor.
3. When the setting voltage is less than 1.0V, be sure to separate the V IN pin and the sense pin, and to apply the voltage over
1.0V to the V IN pin.
4. Note that a rapid and high fluctuation of the power supply input pin voltage may cause a wrong operation.
5. Power supply noise may cause operational function errors, Care must be taken to put the capacitor between V IN -GND and
test on the board carefully.
6. When there is a possibility of which the power supply input pin voltage falls rapidly (e.g.: 6.0V to 0V) at release operation
with the delay capacitance pin (Cd) connected to a capacitor, use a schottky barrier diode connected between the V IN pin
and the Cd pin as the Figure 3 shown below.
6. In N channel open drain output, V OUT voltage at detect and release is determined by resistance of a pull up resistor
connected at the V OUT pin. Please choose proper resistance values with reffering to Figure 4;
During detection : V OUT = Vpull / (1+Rpull / R ON )
Vpull: Pull up voltage
R ON ( ※ 1) ： On resistance of N channel driver M3 can be calculated as V DS / I OUT1 from electrical characteristics,
For example, when ( ※ 2) R ON = 0.5 / 0.8 × 10 -3 = 625 Ω（ MIN. ） at V IN =2.0V, Vpull = 3.0V and V OUT ≦ 0.1V at detect,
Rpull= (Vpull /V OUT -1) × R ON = (3 / 0.1-1) × 625 ≒ 18 ｋΩ
In this case, Rpull should be selected higher or equal to 18k Ω in order to keep the output voltage less than 0.1V during
detection.
( ※ 1) R ON is bigger when V IN is smaller, be noted.
( ※ 2) For calculation, Minimum V IN should be chosen among the input voltage range.
During releasing ： V OUT = Vpull / (1 + Rpull / Roff)
Vpull ： Pull up voltage
Roff ： On resistance of N channel driver M3 is 15M Ω（ MIN. ） when the driver is off (as to V OUT / I LEAK )
For example ： when Vpull = 6.0V and V OUT ≧ 5.99V,
Rpull = (Vpull / V OUT -1) × Roff = (6/5.99-1) × 15 × 10 6 ≒ 25k Ω
In this case, Rpull should be selected smaller or equal to 25k Ω in order to obtain output voltage higher than 5.99V
during releasing.
Figure 3: Circuit example with the delay capacitance pin (Cd) connected to a schottky barrier diode
Figure 4: Circuit example of XC6108N Series
Vpull
V IN
M 2
V IN
VIN
VSEN
VSEN
VIN
VOUT
R=100kΩ
(No resistor needed for
CMOS output products)
VOUT
V SEN
V SEN
Ｒ ＳEN =R 1 +R 2 +R 3
Comparator
R 1
R delay
Inverter
ILEA
K
Rpull
V OUT
Cd
R 2
Vref
M3
Cd
VSS
R 3
M 5
M1
V SS
C d
NOTE ： Roff=V OUT /I LEAK
Figure 3
Figure 4
15/22
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