LM3488MM National Semiconductor, LM3488MM Datasheet - Page 15

• Manufacturer Part Number: LM3488MM
• Description: IC, N-CH CONTROLLER, MSOP-8
• Manufacturer: National Semiconductor

Specifications of LM3488MM

• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Current: 1A
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Termination Type: SMD
• Input Voltage Primary Min: 2.95V
• Output Voltage Min: 1.26V
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

If V
given input voltage and output voltage, the current in the in-
ductor changes at a constant rate.
L
(t) is constant, di
L
(t)/dt must be constant. Hence, for a
FIGURE 11. A. Inductor Current B. Diode Current
15
The important quantities in determining a proper inductance
value are I
tor current ripple). If Δi
will drop to zero for a portion of the cycle and the converter
L
(the average inductor current) and Δi
L
is larger than I
10138824
L
, the inductor current
L
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(the induc-