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參數資料
| 型號： | LM2925 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 223K |
| 代理商： | LM2925 |
Reset Output
Electrical Characteristics
(Continued)
V
IN
= 14V, C3 = 0.1 μF, T
A
= 25C (Note 4) (unless otherwise specified)
Parameter
Conditions
Min
Typ
Max
Units
(Note 3)
1.95
Delay Current
Pin 4
1.2
2.5
μA
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating Conditions.
Note 2:
Thermal resistance without a heat sink for junction to case temperature is 3C/W (TO-220). Thermal resistance for TO-220 case to ambient temperature is
50C/W.
Note 3:
These parameters are guaranteed and 100% production tested.
Note 4:
To ensure constant junction temperature, low duty cycle pulse testing is used.
Typical Circuit Waveforms
Typical Performance Characteristics
DS005268-3
FIGURE 2.
Reset Voltage
DS005268-4
Reset Voltage
DS005268-5
Delay Time
DS005268-6
3
www.national.com
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