LM3477MM National Semiconductor, LM3477MM Datasheet - Page 6

• 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.
IN
J
I
(Shutdown) vs Temperature & Supply Voltage
I
vs Temperature & Supply Voltage (Non-Switching)
Q
Supply
20003313
20003314
I
vs Temperature & Supply Voltage (Switching)
Frequency vs Temperature
Supply
20003315
20003316
V
−V
vs Supply Voltage
COMP Pin Voltage vs Load Current
CB
SW
20003320
20003362
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