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參數資料
| 型號： | LMC6953CM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Ceramic Disc&Plate Capacitor; Capacitance:1000pF; Capacitance Tolerance:+/- 20 %; Dielectric Characteristic:K 1500; Series:WKP; Leaded Process Compatible:Yes |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 218K |
| 代理商： | LMC6953CM |
AC Electrical Characteristics
(Continued)
Note 3:
Supply current measured at pins 1, 2, and 3. The 4.7 k
pull-up resistor on pin 7 is not tied to V
DD
in this measurement.
Note 4:
PCI Specifications Revision 2.1, Section 4.2.1.1 and Section 4.3.2.
Note 5:
PCI Specifications Revision 2.1, Section 4.2.2.1 and Section 4.3.2.
Note 6:
PCI Specifications Revision 2.1 and Section 4.3.2.
Note 7:
PCI Specifications Revision 2.1, Section 4.3.2. The response time is measured individually with
±
750 mV of overdrive applied to pin 2 then
±
600 mV of over-
drive applied to pin 3 and taking the worst number of the four measurements.
Note 8:
PCI Specifications Revision 2.1, Section 4.3.2. The power failure response time is measured with a signal changing from 5V to 3V applied to pin 2 and a
3.3V DC applied to pin 3.
LMC6953 Timing Diagram
DS012846-3
Note:
t
RESET
, t
D
and t
PF
are not to scale.
www.national.com
4
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| LMC6953CM/NOPB | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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