LM2678T-3.3/NOPB National Semiconductor, LM2678T-3.3/NOPB Datasheet - Page 6

• Manufacturer Part Number: LM2678T-3.3/NOPB
• Description: IC REG SIMPLE SWITCHER TO-220-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2678T-3.3/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 5A
• Frequency - Switching: 260kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-7 (Bent and Staggered Leads)
• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 5A
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Supply Voltage Range: 8V To 40V
• Rohs Compliant: Yes
• Filter Terminals: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2678T-3.3; *LM2678T-3.3/NOPB; LM2678T-3.3

Typical Performance Characteristics
Normalized
Line Regulation
Output Voltage
10088610
10088609
Efficiency vs Input Voltage
Efficiency vs I
LOAD
10088611
10088612
Switch Current Limit
Operating Quiescent Current
10088604
10088605
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