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參數(shù)資料
| 型號(hào)： | LP3470M5X-3.65/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大?。?/td> | 559K |
| 代理商： | LP3470M5X-3.65/NOPB |
Typical Operating Characteristics T
A = +25C, unless otherwise specified. (Continued)
V
HYST vs VRTH
V
HYST vs Temperature
10001614
10001609
Pin Description
Pin
Name
Function
1
SRT
Set Reset Time-out Input. Connect a capacitor between this input and ground to select the Reset
Time-out period (t
RP). tRP =2000xC1 (C1 in F and tRP in ms). If no capacitor is connected,
leave this pin floating.
2
GND
Ground pin.
3V
CC1
Always connect to pin V
CC (Pin 4).
4V
CC
Supply voltage, and reset threshold monitor input.
5
Reset
Open-Drain, Active-Low reset output. Connect to an external pull-up resistor. Reset changes from
high to low whenever the monitored voltage (V
CC) drops below the reset threshold voltage (VRTH).
Once V
CC exceeds VRTH, Reset remains low for the reset timeout period (tRP) and then goes high.
Functional Block Diagram
10001603
LP3470
www.national.com
5
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