LM2648 National Semiconductor, LM2648 Datasheet - Page 11
LM2648
Manufacturer Part Number
LM2648
Description
Synchronous Step-Down 3-Channel Switching Regulator Controller
Manufacturer
National Semiconductor
Datasheet
1.LM2648.pdf
(23 pages)
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Typical Performance Characteristics
Efficiency vs Load Current
Efficiency vs Load Current
Ch.1 = 5V, Ch.2 = 3.3V, V
= 12V, Ch.1/2/3: ON
Ch.3 = 1.9V, V
= 12V, Ch.1/2/3: ON
IN
IN
20059664
20059665
FB Voltage vs Temperature
Input Supply Current vs Temp. Shutdown Mode
20059667
20059666
Input Supply Current vs V
Shutdown Mode
FB3 Quick Discharge Threshold Voltage vs Temperature
IN
20059668
20059669
11
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