ADP1879 Analog Devices, ADP1879 Datasheet - Page 9

• Manufacturer Part Number: ADP1879
• Description: Synchronous Buck Controller with Constant On-Time and Valley Current Mode with Power Saving Mode
• Manufacturer: Analog Devices

Data Sheet
0.808
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
1.818
1.816
1.814
1.812
1.810
1.808
1.806
1.804
1.802
1.800
1.798
1.796
1.794
1.792
1.790
1.788
1.786
1.784
1.782
1.780
1.778
1.776
1.774
1.772
1.770
5.030
5.025
5.020
5.015
5.010
5.005
5.000
4.995
4.990
4.985
4.980
4.975
4.970
Figure 16. Output Voltage Accuracy—600 kHz, V
Figure 17. Output Voltage Accuracy—600 kHz, V
Figure 18. Output Voltage Accuracy—600 kHz, V
0
0
0
1000 2000 3000 4000 5000 6000 7000 8000
1000 2000 3000 4000 5000 6000 7000 8000 9000 10,000
1500
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
3000
V
IN
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
4500
= 13V
V
V
+125°C
+25°C
–40°C
IN
IN
V
V
V
IN
IN
IN
= 13V
= 16.5V
= 13V
= 16.5V
= 20V
6000
V
IN
7500
= 16.5V
+125°C
+25°C
–40°C
9000
OUT
OUT
OUT
10,500
= 0.8 V
= 1.8 V
9000
= 5 V
10,000
12,000
Rev. 0 | Page 9 of 40
1.820
1.815
1.810
1.805
1.800
1.795
1.790
0.807
0.805
0.803
0.801
0.799
0.797
0.795
0.793
0.791
0.789
0.787
Figure 19. Output Voltage Accuracy—1.0 MHz, V
Figure 20. Output Voltage Accuracy—1.0 MHz, V
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
4.91
4.90
Figure 21. Output Voltage Accuracy—1.0 MHz, V
0
0
0
0
1000 2000 3000 4000 5000 6000 7000 8000 9000
800
1600
2000
2400
V
V
3200
IN
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
IN
IN
= 13V
LOAD CURRENT (mA)
4000
= 13V
+125°C
+25°C
–40°C
= 13V
4000
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
4800
ADP1878/ADP1879
V
5600
V
IN
6000
V
IN
= 16.5V
IN
= 16.5V
6400
+125°C
+25°C
–40°C
= 16.5V
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
7200
8000
8000
OUT
OUT
OUT
= 0.8 V
= 1.8 V
8800
=5 V
9600
10,000
10,000