ADP1876-EVALZ AD [Analog Devices], ADP1876-EVALZ Datasheet - Page 10

• Manufacturer Part Number: ADP1876-EVALZ
• Description: 600 kHz Dual Output Synchronous Buck
• Manufacturer: AD [Analog Devices]

TYPICAL PERFORMANCE CHARACTERISTICS
Test conditions are at T
ADP1876
–0.05
–0.10
–0.15
–0.20
–0.25
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
4.70
4.65
100
90
80
70
60
50
40
30
20
10
0
0
2.5
5
0
V
IN
= 12V
2
V
50mA LOAD
7
Figure 4. Efficiency Plot of Figure 33
OUT
3.0
100mA LOAD ON LDO
Figure 6. VCCO Line Regulation
= 5V
NO LOAD ON LDO
Figure 5. VCCO Dropout
4
A
= 25°C and V
9
100mA LOAD
V
3.5
OUT
6
LOAD (A)
V
V
IN
= 1.8V
IN
11
(V)
(V)
8
4.0
IN
13
= 12 V, unless otherwise specified.
10
4.5
15
12
17
14
5.0
Rev. A | Page 10 of 24
3
1
1
2
3
4
6
5
4
3
2
1
0
CH1 5V
CH3
CH1
CH3
0
V
V
OUTPUT PRECHARGED TO 1V
VOUT1
IN
OUT
= 12V
1V
5.00A Ω
20.0mV
= 1.8V
VOUT1 = 5V OUTPUT RESPONSE
Figure 9. Soft Start Into Precharged Output
Figure 8. Step Load Transient of Figure 33
OUTPUT STEP LOAD = 5A TO 10A
1
CH2
CH4 1A Ω
DL1
DH1
IL1
5V
Figure 7. VCCO vs. V
2
M100µs
V
M1ms
IN
3
(V)
IN
4
A CH1
A CH1
Data Sheet
5
2.4V
9.00A
6