LM3477MM National Semiconductor, LM3477MM Datasheet - Page 7

• Manufacturer Part Number: LM3477MM
• Description: Pulse Width Modulation (PWM) Controller IC
• Manufacturer: National Semiconductor

Specifications of LM3477MM

• Input Voltage Primary Min: 2.95V
• Mounting Type: Surface Mount
• Topology: Buck (Step Down)
• Control Mode: Current
• Duty Cycle Max: 93%
• Input Voltage Primary Max: 35V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Performance Characteristics
Unless otherwise specified, V
= 12V, T
= 25˚C. (Continued)
IN
J
Efficiency vs Load Current
Efficiency vs Load Current
(V
= 24V, V
= 12V)
(V
= 5V,
= 3.3V)
IN
OUT
IN
OUT
200033K2
200033J9
Efficiency vs Load Current
(V
= 12V, V
= 3.3V)
Error Amplifier Gain
IN
OUT
200033K1
20003308
Error Amplifier Phase Shift
COMP Pin Source Current vs Temperature
20003309
20003319
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