MB39C007 Datasheet, PDF (32/52 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
• CTL start-up waveform
No load, No VREFIN capacitor
3
CTL1 : 5 V/div
10 μs/div
VO1 : 1 V/div
1
VLX1 : 5 V/div
2
ILX1 : 1 A/div
4
VIN = 3.7 V, VO1 = 2.5 V, MODE = L, Ta = + 25 °C
Maximum load, No VREFIN capacitor
10 μs/div
3
CTL1 : 5 V/div
VO1 : 1 V/div
1
VLX1 : 5 V/div
2
ILX1 : 1 A/div
4
VIN = 3.7 V, VO1 = 2.5 V, IO1 = −800 mA, MODE = L, Ta = + 25 °C
1
CTL2 : 5 V/div
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, MODE = L, Ta = + 25 °C
1
CTL2 : 5 V/div
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
(Continued)
32
DS04-27246-2E