Datasheet

Data Sheet ADP5052
Rev. 0 | Page 15 of 40
CH1 5.00V CH2 10.0mV
B
W
M1.00µs A CH1 7.40V
2
1
V
OUT
SW
10900-028
Figure 28. Steady State Waveform at Heavy Load, V
IN
= 12 V, V
OUT
= 3.3 V,
I
OUT
= 3 A, f
SW
= 600 kHz, L = 4.7 µH, C
OUT
= 47 µF × 2, FPWM Mode
CH1 5.00V CH2 50.0mV
B
W
M100µs A CH1 11.0mV
2
1
V
OUT
SW
10900-029
Figure 29. Steady State Waveform at Light Load, V
IN
= 12 V, V
OUT
= 3.3 V,
I
OUT
= 30 mA, f
SW
= 600 kHz, L = 4.7 µH, C
OUT
= 47 µF × 2,
Automatic PWM/PSM Mode
CH1 50.0mV
B
W
CH4 2.00A Ω
M100µs A CH1 –22.0mV
1
4
V
OUT
I
OUT
10900-030
Figure 30. Channel 1/Channel 2 Load Transient, 1 A to 4 A, V
IN
= 12 V,
V
OUT
= 3.3 V, f
SW
= 600 kHz, L = 2.2 µH, C
OUT
= 47 µF × 2
CH3 2.00A Ω
B
W
CH4 2.00A Ω
B
W
CH2 100mV
B
W
M100µs A CH2 –56.0mV
2
4
V
OUT
I
OUT2
I
OUT1
10900-031
Figure 31. Load Transient, Channel 1/Channel 2 Parallel Output, 0 A to 6 A,
V
IN
= 12 V, V
OUT
= 3.3 V, f
SW
= 600 kHz, L = 4.7 µH, C
OUT
= 47 µF × 4
CH1 500mV
B
W
CH2 5.00V
CH3 5.00V
B
W
CH4 2.00A Ω
M1.00ms A CH1 650mV
1
3
2
4
V
OUT
I
OUT
EN
PWRGD
10900-032
Figure 32. Channel 1/Channel 2 Soft Start with 4 A Resistance Load,
V
IN
= 12 V, V
OUT
= 1.2 V, f
SW
= 600 kHz, L = 1 µH, C
OUT
= 47 µF × 2
CH3 1.00V
B
W
CH1 10.0V
B
W
CH4 1.00A Ω
B
W
CH2 5.00V
B
W
M400µs A CH2 2.80V
1
4
2
3
V
IN
V
OUT
EN
I
OUT
10900-033
Figure 33. Startup with Precharged Output, V
IN
= 12 V, V
OUT
= 3.3 V