MB39C308 Datasheet, PDF (42/60 Pages) Fujitsu Component Limited. – 6ch DC/DC Converter IC for LPIA Platform VR

MB39C308
• Waveforms at load step response
CH1 (VO1 = 5.0 V)
IO1 = 0 A 2 A, IO1 slew rate = 2 A/μs
Ta = + 25 °C
VIN = 7.2 V
VO1 = 5.0 V
fosc = 700 kHz
IO1 2A/div
4
5V1
VO1 500 mV/div
100 μs/div
CH2 (VO2 = 3.3 V)
IO2 = 0 A 4.5 A, IO2 slew rate = 4.5 A/μs
IO2 2 A/div
Ta = + 25 °C
VIN = 7.2 V
VO2 = 3.3 V
fosc = 700 kHz
4
VO2 500 mV/div
3.3 V 1
100 μs/div
CH3 (VO3 = 1.5 V)
IO3 = 0 A 2.7 A, IO3 slew rate = 2.7 A/μs
IO3 1 A/div
Ta = + 25 °C
VIN = 7.2 V
VO3 = 1.5 V
fosc = 700 kHz
4
VO3 200 mV/div
1.5 V 1
100 μs/div
CH3 (VO3 = 1.8 V)
IO3 = 0 A 2.7 A, IO3 slew rate = 2.7 A/μs
IO3 1 A/div
Ta = + 25 °C
VIN = 7.2 V
VO3 = 1.8 V
fosc = 700 kHz
4
VO3 200 mV/div
1.8 V 1
100 μs/div
CH4 (fosc = 350 kHz, VO4 = 0.75 V)
IO4 = 0 A 1.5 A, IO4 slew rate = 1.5 A/μs
IO4 1 A/div
4
Ta = + 25 °C
VIN = 7.2 V
VO4 = 0.75 V
fosc = 350 kHz
VO4 100 mV/div
0.75 V 1
100 μs/div
42
CH4 (fosc = 350 kHz, VO4 = 0.9 V)
IO4 = 0 A 1.5 A, IO4 slew rate = 1.5 A/μs
IO4 1 A/div
4
Ta = + 25 °C
VIN = 7.2 V
VO4 = 0.9 V
fosc = 350 kHz
VO4 100 mV/div
0.9 V 1
100 μs/div
(Continued)
DS04-27261-6E