L5973AD STMicroelectronics, L5973AD Datasheet - Page 17

• Manufacturer Part Number: L5973AD
• Description: IC REG SW 2A STEPDOWN 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L5973AD

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.24 ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 500kHz
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
• Power - Output: 2.25W
• Output Voltage: 35 V
• Output Current: 2 A
• Input Voltage: 4 V to 36 V
• Switching Frequency: 500 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• Low Dropout Operation: 100 % duty cycle
• For Use With: 497-4134 - EVAL BOARD FOR L5973 SERIES497-4133 - EVAL BOARD FOR L5973 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1417-5; 497-1417-5; 497-4565-5; E-L5973AD

L5973AD
Refer to L5973AD application note (AN1723) to have additional information, details, and
more application ideas.
L5973AD belongs to L597x family.
Related part numbers are:
●
●
●
In case higher current is needed, the nearest DC-DC Converter family is L497x.
L5970D: 1.5 A (I
L5972D: 2 A (I
L5973D: 2.5 A (I
sw
sw
sw
), 250 kHz step down DC-DC Converter in SO8
), 250 kHz step down DC-DC Converter in SO8
), 250 kHz step down DC-DC Converter in HSOP8
Doc ID 9552 Rev 9
Application ideas
17/22