Datasheet

Data Sheet ADP1851
Rev. 0 | Page 9 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 4. Efficiency Plot
12 V
IN
to 1.8 V
OUT
, 600 kHz (see Figure 34 for Circuit)
Figure 5. 10 A to 20 A Load Step,
12 V
IN
to 1.8 V
OUT
, 600 kHz, Current Mode
Figure 6. 9 V to 15 V Line Step,
1.8 V
OUT
, 20 A Load, Current Mode
Figure 7. Efficiency Plot
12 V
IN
to 3.3 V
OUT
, 300 kHz (see Figure 35 for Circuit)
Figure 8. 10 A to 20 A Load Step,
12 V
IN
to 3.3 V
OUT
, 300 kHz, Voltage Mode
Figure 9. 9 V to 15 V Line Step,
3.3 V
OUT
, 15 A Load, Voltage Mode
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
EFFICIENCY (%)
LOAD (A)
PULSE SKIP
FORCED PWM
10595-004
M 100µs 50MS/s
20ns/pt
A CH4 13.4A
B
W
B
W
2
4
CH2 100mV
CH4 10A
LOAD CURRENT
VOUT_AC
Ω
10595-005
CH1 5V M 100µs 125MS/s
8.0ns/pt
A CH1 11.3V
2
1
CH2 100mV
B
W
B
W
VIN
VOUT_AC
10595-006
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
EFFICIENCY (%)
LOAD (A)
PULSE SKIP
FORCED PWM
10595-007
CH2 200mV M 100µs 5.0MS/s
200ns/pt
A CH4 14.2A
4
2
CH4 10A Ω
B
W
B
W
LOAD
CURRENT
VOUT_AC
10595-008
M 100µs 250MS/s
4ns/pt
A CH1 11.3V
B
W
2
CH1 5V CH2 200mV
B
W
VIN
VOUT_AC
DL
1
10595-009