LM2576-5.0WT Micrel Inc, LM2576-5.0WT Datasheet - Page 7

• Manufacturer Part Number: LM2576-5.0WT
• Description: IC REG BUCK 3A 5.0V TO-220-5
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of LM2576-5.0WT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 3A
• Frequency - Switching: 42kHz ~ 63kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Input Voltage: 40V
• Output Current: 3A
• Output Voltage: 5V
• No. Of Outputs: 1
• Supply Voltage Range: 4V To 40V
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +85°C
• Frequency: 52kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 576-1518-5; LM2576-5.0WT

LM2576
Typical Performance Characteristics
August 2005
Voltage
Change
Current
Output
Output
A
B
C
D
+100mV
-100mV
50V
4A
2A
4A
2A
3A
2A
1A
0
0
0
0
0
V
A: Output pin voltage 50V/div
B: Output pin current 2A/div
C: Inductor current 2A/div
D: Output ripple voltage 50 mV/div., AC coupled
Horizontal Time Base: 5µS/div
OUT = 5V
(Circuit of Figure 1 )
V
IN = 45V
Load Transient Response
Switching Waveforms
7
100 µS/div.
5 µS/div.
M9999-082605-B
Micrel, Inc.