MB39C007 Datasheet, PDF (33/52 Pages) Fujitsu Component Limited. – 2 ch DC/DC Converter IC Built-in Switching FET & voltage detection function, PFM/PWM Synchronous Rectification, and Down Conversion Support

MB39C007
(Continued)
No load, VREFIN capacitor = 0.1 μF
1 ms/div
1
CTL1 : 5 V/div
2
VO1 : 1 V/div
VLX1 : 5 V/div
3
ILX1 : 1 A/div
4
VIN = 3.7 V, VO1 = 2.5 V, MODE = L, Ta = + 25 °C
Maximum load, VREFIN capacitor = 0.1 μF
1 ms/div
1
CTL1 : 5 V/div
1
CTL2 : 5 V/div
1 ms/div
VO2 : 1 V/div
2
3
VLX2 : 5 V/div
ILX2 : 1 A/div
4
VIN = 3.7 V, VO2 = 1.8 V, MODE = L, Ta = + 25 °C
1
CTL2 : 5 V/div
1 ms/div
VO1 : 1 V/div
2
VLX1 : 5 V/div
3
ILX1 : 1 A/div
4
VIN = 3.7 V, VO1 = 2.5 V, IO1 = −800 mA, MODE = L, Ta = + 25 °C
• CTL stop waveform
Maximum load, VREFIN capacitor = 0.1 μF
CTL1 : 5 V/div
1
10 μs/div
VO1 : 1 V/div
2
VLX1 : 5 V/div
3
ILX1 : 1 A/div
4
VIN = 3.7 V, VO1 = 2.5 V, IO1 = −800 mA, MODE = L, Ta = + 25 °C
DS04-27246-2E
2
VO2 : 1 V/div
VLX2 : 5 V/div
3
ILX2 : 1 A/div
4
VIN = 3.7 V, VO2 = 1.8 V, IO2 = −800 mA, MODE = L, Ta = + 25 °C
CTL2 : 5 V/div
1
10 μs/div
VO2 : 1 V/div
2
VLX2 : 5 V/div
3
ILX2 : 1 A/div
4
VIN = 3.7 V, VO2 = 1.8 V, IO2 = −800 mA, MODE = L, Ta = + 25 °C
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