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参数资料
| 型号： | LM5000-3MTCX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.7 A SWITCHING REGULATOR, 840 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | TSSOP-16 |
| 文件页数： | 11/18页 |
| 文件大小： | 388K |
| 代理商： | LM5000-3MTCX/NOPB |
Connection Diagram
Top View
20031904
Ordering Information
Order Number
Package Type
NSC Package Drawing
Supplied As
LM5000-3MTC
TSSOP-16
MTC16
94 Units, Rail
LM5000-3MTCX
TSSOP-16
MTC16
2500 Units, Tape and Reel
LM5000SD-3
LLP-16
SDA16
1000 Units, Rail
LM5000SDX-3
LLP-16
SDA16
4500 Units, Tape and Reel
LM5000SD-6
LLP-16
SDA16
1000 Units, Rail
LM5000SDX-6
LLP-16
SDA16
4500 Units, Tape and Reel
Pin Descriptions
Pin
Name
Function
1
COMP
Compensation network connection. Connected to the output of the voltage error amplifier. The RC
compenstion network should be connected from this pin to AGND. An additional 100pF high
frequency capacitor to AGND is recommended.
2
FB
Output voltage feedback input.
3
SHDN
Shutdown control input, Open = enable, Ground = disable.
4
AGND
Analog ground, connect directly to PGND.
5
PGND
Power ground.
6
PGND
Power ground.
7
PGND
Power ground.
8
PGND
Power ground.
9
SW
Power switch input. Switch connected between SW pins and PGND pins
10
SW
Power switch input. Switch connected between SW pins and PGND pins
11
SW
Power switch input. Switch connected between SW pins and PGND pins
12
BYP
Bypass-Decouple Capacitor Connection, 0.1F ceramic capacitor recommended.
13
V
IN
Analog power input. A small RC filter is recommended, to suppress line glitches. Typical values of
10
and
≥ 0.1F are recommended.
14
SS
Softstart Input. External capacitor and internal current source sets the softstart time.
15
FS
Switching frequency select input. Open = F
high. Ground = Flow
16
TEST
Factory test pin, connect to ground.
-
Exposed Pad
underside of LLP
package
Connect to system ground plane for reduced thermal resistance.
www.national.com
2
LM5000
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