LM2575-3.3WU TR Micrel Inc, LM2575-3.3WU TR Datasheet - Page 8
![1A Step-Down SMPS Regulator ( )](/photos/7/59/75999/576-to-263-5_sml.jpg)
LM2575-3.3WU TR
Manufacturer Part Number
LM2575-3.3WU TR
Description
1A Step-Down SMPS Regulator ( )
Manufacturer
Micrel Inc
Type
Step-Down (Buck)r
Datasheet
1.LM2575-5.0WT.pdf
(12 pages)
Specifications of LM2575-3.3WU TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
1A
Frequency - Switching
42kHz ~ 63kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM2575-3.3WUTR
LM2575-3.3WUTR
LM2575-3.3WUTR
Typical Characteristics (continued)
Micrel, Inc.
May 2009
-10
-15
-20
-25
25
20
15
10
-5
5
0
-75 -50 -25 0
Feedback Voltage*
* Adjustable version only
Normalized to T J = 25 C
Normalized
I L O AD = 200mA
25 50 75 100125150
V IN = 12V
8
-10
-15
-20
20
15
10
-5
5
0
0
Feedback Voltage
vs Duty Cycle*
20
D U TY C YC LE ( % )
40
I
LO AD
V
IN
60
= 7V
= 200 mA
V
IN
= 40V
80
100
M9999-051209-B
LM2575