LM1117DT-3.3 National Semiconductor, LM1117DT-3.3 Datasheet - Page 12

• Manufacturer Part Number: LM1117DT-3.3
• Description: IC, LDO VOLT REG, 3.3V, 0.8A, TO-252
• Manufacturer: National Semiconductor

Specifications of LM1117DT-3.3

• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 1.2V
• No. Of Pins: 3
• Output Current: 800mA
• Operating Temperature Range: 0°C To +125°C
• Termination Type: SMD
• Dc: 0748
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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Application Note
*Tab of device attached to topside copper
Layout
14
15
16
(Continued)
0.284
0.392
0.5
TABLE 1. θ
Copper Area
JA
Different Heatsink Area (Continued)
0.284
0.392
0.5
12
83
75
70
Thermal Resistance
61
55
53