L4972A STMicroelectronics, L4972A Datasheet - Page 13

• Manufacturer Part Number: L4972A
• Description: IC REG SW 2A 5.1V-40V 20-DIP
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4972A

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5.1 ~ 40 V
• Current - Output: 2A
• Frequency - Switching: 100kHz
• Voltage - Input: 15 ~ 50 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Power - Output: 5W
• Output Voltage: 50 V
• Mounting Style: Through Hole
• Input Voltage: 50V
• Output Current: 2A
• No. Of Outputs: 1
• Power Dissipation Pd: 5W
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +150°C
• Filter Terminals: Through Hole
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6698-5; L4972A

Figure 24. Switching Frequency vs. Input
Voltage (see fig. 8).
Figure 25. Switching Frequency vs. Junction
Temperature (see fig. 8).
Figure 26. Switching Frequency vs. R4 (see
fig.8).
Figure 27. Maximum Duty Cycle vs. Frequency.
Figure 28. Supply Voltage Ripple Rejection vs.
Frequency (see fig. 8).
Figure 29. Efficiency vs. Output Voltage.
L4972A
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