L4973D3.3-013TR STMicroelectronics, L4973D3.3-013TR Datasheet - Page 24

• Manufacturer Part Number: L4973D3.3-013TR
• Description: IC REG SW STEP DOWN 3.5A 20-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4973D3.3-013TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 0.5 ~ 50 V
• Current - Output: 3.5A
• Frequency - Switching: 100kHz ~ 300kHz
• Voltage - Input: 8 ~ 55 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Power - Output: 4W
• Output Voltage: 5.1 V
• Output Current: 3.5 A
• Input Voltage: 8 V to 55 V
• Switching Frequency: 90 KHz to 110 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 97 %
• For Use With: 497-4743 - BOARD EVAL FOR L4973X SW REG
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3358-2

Package mechanical data
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Table 8.
Figure 45. Package dimensions
Dim.
a1
b1
e3
D
B
b
E
e
F
L
Z
I
DIP-18 mechanical data
0.51
0.85
0.38
Min
20.32
0.50
8.80
2.54
3.30
Typ
mm.
24.80
Max
1.40
0.50
7.10
5.10
2.54
0.020
0.033
0.015
Min
0.020
0.346
0.100
0.800
0.130
Typ
inch
0.055
0.020
0.976
0.280
0.201
0.100
Max
L4973