MB39C313 Datasheet, PDF (37/52 Pages) Fujitsu Component Limited. – 4ch System Power Management IC for LCD Panel

MB39C313
(6) Converter Line Transient Characteristic
Buck Converter
Line Transient Response
VLOGIC = 3.3 V, ILOAD = 1.5 A, Co = 2 x 10 μF,
L1 = 10 μH, FREQ = High
VIN (10 V 14 V)
2 V/div(offset : 10 V)
1
VO1
100 mV/div
2
IO1 (1.5 A)
4 _{1 A/div}
Negative Charge Pump
Line Transient Response
VGL = −5 V, ILOAD = 50 mA, FREQ = High
VIN (10 V 14 V)
2V/div (offset : 10 V)
1
VO3
200 mV/div
2
4 ^{IO3 (50 mA)}
50 mA/div
Time base : 500 μs/div
Boost Converter
Line Transient Response
VS = 17.7 V, ILOAD = 1.5 A, Co = 3 x 22 μF,
L2 = 6.8 μH, Ccomp = 22 nF, FREQ = High
VIN (10 V 14 V)
2 V/div(offset : 10 V)
1
VO2
200 mV/div
2
4
Time base : 500 μs/div
Positive Charge Pump
Line Transient Response
VSUP = 17.7 V, VGH = 32 V
ILOAD = 50 mA, FREQ = High
VIN (10 V 14 V)
2 V/div(offset : 10 V)
1
VO4
200 mV/div
2
4
IO4 (50 mA)
50 mA/div
Time base : 500 μs/div
DS04–27267–1E
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