MB39C313 Datasheet, PDF (36/52 Pages) Fujitsu Component Limited. – 4ch System Power Management IC for LCD Panel

MB39C313
(5) Converter Load Transient Characteristic
Buck Converter
Load Transient Response
VIN = 12 V, VLOGIC = 3.3 V, Co = 2 x 10 μF,
L1 = 10 μH, FREQ = High
VO1
100 mV/div
1
2
IO1 ( 270 mA
500 mA/div
1.3 A )
Time base : 50 μS/div
Negative Charge Pump
Load Transient Response
VIN = 12 V, VGL = −5 V, FREQ = High
VO3
100 mV/div
1
Boost Converter
Load Transient Response
VIN = 12 V, VS = 17.7 V, Co = 3 x 22 μF,
L2 = 6.8 μH, Ccomp = 22 nF, FREQ = High
VO2
200 mV/div
1
ILOAD = 200 mA to 1.2 A
ILx2
2
1 A/div
Time base : 100 μS/div
Positive Charge Pump
Load Transient Response
VIN = 12 V, VSUP = 17.7 V,
VGH = 32 V, FREQ = High
VO4
500 mV/div
1
2
IO3 ( 0 mA
50 mA/div
50 mA )
Time base : 50 μS/div
2
IO4 ( 0 mA
50 mA/div
50 mA )
Time base : 100 μS/div
36
DS04–27267–1E