L4993MD STMicroelectronics, L4993MD Datasheet - Page 21

• Manufacturer Part Number: L4993MD
• Description: IC REG LDO 5V 150MA 20SOIC
• Manufacturer: STMicroelectronics

Specifications of L4993MD

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: 5.6 ~ 31 V
• Voltage - Dropout (typical): 0.2V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 150mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC
• Number Of Outputs: 1
• Polarity: Negative, Positive
• Input Voltage Max: 40 V
• Output Voltage: - 0.3 V to + 6 V
• Output Type: Adjustable
• Dropout Voltage (max): 0.4 V at 150 mA
• Output Current: 150 mA
• Line Regulation: 25 mV
• Load Regulation: 25 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L4993
4.2
Note:
SO-20 thermal data
Figure 32. SO-20 PC board
Layout condition of R
thickness = 2mm, Cu thickness=35µm , Copper areas: from minimum pad lay-out to 6cm
Figure 33. R
70
68
66
64
62
60
58
56
54
52
50
0
thj-amb
1
th
Vs. PCB copper area in open box free air condition
and Z
th
measurements (PCB FR4 area= 58mm x 58mm,PCB
2
PCB Cu heatsink area (cm^2)
3
4
Package and PCB thermal data
5
6
7
21/30
2
).