L4972AD STMicroelectronics, L4972AD Datasheet - Page 12

• Manufacturer Part Number: L4972AD
• Description: IC REG SW 2A 5.1-40V STDN 20SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4972AD

• 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: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Power - Output: 3.75W
• Output Voltage: 40 V
• Output Current: 2 A
• Input Voltage: 15 V to 50 V
• Switching Frequency: 90 KHz to 110 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 90 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4206-5; 497-4206-5; 497-4207-5

L4972A
Figure 18. Quiescent Drain Current vs. Duty
Cycle.
Figure 19. Reference Voltage (pin 13) vs. Vi
(see fig. 11).
Figure 20. Reference Voltage (pin 13) vs.
Junction Temperature (see fig. 11).
12/22
Figure 21. Reference Voltage (pin 14) vs. Vi
(see fig. 11).
Figure 22. Reference Voltage (pin 14) vs.
Junction Temperature (see fig. 11).
Figure 23. : Ref. Voltage 5.1V (pin 13) Supply
Voltage Ripple Rejection vs. Frequency