参数资料
型号: LM2575-12MDC
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, UUC
封装: DIE
文件页数: 19/40页
文件大小: 917K
代理商: LM2575-12MDC
National P/N LM2575 - SIMPLE SWITCHER 1A Step-Down Voltage Regulator
LM2575 Product Folder
SIMPLE SWITCHER 1A Step-Down Voltage Regulator
See Also: LM2595 - low cost & more efficient
LM2598 - improved switching frequency, efficiency
LM2672 - has sync pin, improved switching frequency and efficiency
LM2675 - improved input and output voltage, switching frequency.
Generic P/N 2575
WEBENCH Live Simulation!
LM2575 Webench Custom
Design/Analyze/Build It
4.8 <=
V in Lower
V
<=
V in Upper
V
<= 40.0
V out
1.2 <=
V
<= 37.0
I out
A
<= 1.00
Ambient Temperature
°C
<= 100
Parametric Table
Multiple Output Capability
No
On/Off Pin
Yes
Error Flag
No
Input Voltage, min (Volt)
4
Input Voltage, max (Volt)
40
Output Current, max
1000 mA
Output Voltage (Volt)
12, 15, 3.30, 5
Adjustable Output Voltage
No, Yes
Switching Frequency (Hz)
52000
Adjustable Switching Frequency
No
Sync Pin
No
Efficiency (%)
88, 75, 77
Inverting
Yes
Step-down
Yes
-
Datasheet
Title
Size in
Kbytes Date
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Email
LM1575 LM2575 LM2575HV SIMPLE SWITCHER 1A Step-
Down Voltage Regulator
643
Kbytes
20-
Nov-
01
LM1575 LM2575 LM2575HV SIMPLE SWITCHER 1A Step-
Down Voltage Regulator (JAPANESE)
819
Kbytes
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM2575.html (1 of 6) [Aug-09-2002 12:18:39 PM]
11.0
13.0
3.3
0.80
30
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