LM2575-3.3WU Micrel Inc, LM2575-3.3WU Datasheet - Page 3

• Manufacturer Part Number: LM2575-3.3WU
• Description: 1A Step-Down SMPS Regulator ( )
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of LM2575-3.3WU

• 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

Pin Configuration
Micrel, Inc.
May 2009
GND
OUT
NC
NC
NC
NC
NC
FB
1
2
3
4
5
6
7
8
16-Pin Plastic DIP (N)
5-Pin TO-220 (T)
16 VIN
15
14
13
12
11
10
9
NC
GND
GND
GND
GND
NC
ON/OFF
5 ON/OFF
4 FB
3 GND
2 OUT
1 VIN
3
PWR GND
PWR GND
SIG GND
ON/OFF
NC
NC
NC
NC
NC
NC
NC
FB
10
11
12
1
2
3
4
5
6
7
8
9
5-Pin TO-263 (U)
24-Pin Wide SOIC (WM)
5 ON/OFF
4 FB
3 GND
2 OUT
1 VIN
M9999-051209-B
24 NC
23
22
21
20
19
18
17
16
15
14
13
NC
NC
NC
NC
NC
OUT
OUT
NC
VIN
VIN
NC
LM2575