LM2575-12WU TR Micrel Inc, LM2575-12WU TR Datasheet - Page 8

• Manufacturer Part Number: LM2575-12WU TR
• Description: 1A Step-Down SMPS Regulator ( )
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of LM2575-12WU TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• 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: LM2575-12WUTR; LM2575-12WUTR

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