L4973V3.3 STMicroelectronics, L4973V3.3 Datasheet - Page 24

• Manufacturer Part Number: L4973V3.3
• Description: IC REG SW 3.5A STEPDOWN 18PWRDIP
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4973V3.3

• 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: Through Hole
• Package / Case: 18-DIP (0.300", 7.62mm)
• Power - Output: 5W
• Output Voltage: 3.36 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: Through Hole
• Duty Cycle (max): 97 %
• For Use With: 497-4743 - BOARD EVAL FOR L4973X SW REG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1413-5

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