ADP5043 Analog Devices, ADP5043 Datasheet - Page 9

• Manufacturer Part Number: ADP5043
• Description: Micro-PMU with 0.8 A Buck, 300 mA LDO, Supervisory, Watchdog, and Manual Reset
• Manufacturer: Analog Devices

Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
VIN1 = VIN2 = AVIN = 5.0 V, T
Figure 4. System Quiescent Current (Sum of All the Input Currents) vs. Input
1
2
4
2
1
3
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
CH1
CH2
0
CH1
CH2
CH3
CH4
2.3
SW
VOUT1
EN
IIN
Figure 5. Buck Startup, V
2.0V/DIV 1MΩ
2.0V/DIV 1MΩ
2.0V/DIV
2.0V/DIV
100mA/DIV 1MΩ
5.0V/DIV
VOUT1
VOUT2
Figure 3. 3-Channel Start-Up Waveforms
2.8
Voltage, V
1MΩ
1MΩ
1MΩ
B
B
3.3
W
W
B
B
B
B
INPUT VOLTAGE (V)
20.0M
20.0M
OUT1
W
W
W
W
20.0M
500M
20.0M
500M
= 1.5 V, V
3.8
OUT1
V
V
A
OUT1
A CH1
OUT2
A CH1
= 25°C, unless otherwise noted.
= 1.8 V, I
OUT2
= 1.5V,
= 3.3V
4.3
= 3.3 V
1.76V
2.92V
OUT1
= 20 mA
4.8
200µs/DIV
20.0ns/pt
50µs/DIV
50.0MS/s
20.0ns/pt
5.3
Rev. A | Page 9 of 32
Figure 6. Buck Load Regulation Across Temperature, V
Figure 7. Buck Load Regulation Across Temperature, V
Figure 8. Buck Load Regulation Across Temperature, V
1.795
1.794
1.793
1.792
1.791
1.790
1.789
1.788
1.787
1.786
1.785
1.784
3.34
3.32
3.30
3.28
3.26
3.24
3.22
1.830
1.825
1.820
1.815
1.810
1.805
1.800
1.795
1.790
1.785
1.780
1.775
0
0
0
0.1
0.1
0.1
0.2
0.2
0.2
0.3
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
+85°C
+25°C
–40°C
0.3
0.3
PWM Mode
0.4
0.5
0.4
0.4
0.6
0.5
0.5
0.7
0.6
0.6
OUT1
OUT1
0.8
= 3.3 V, Auto Mode
= 1.8 V, Auto Mode
ADP5043
OUT1
0.7
0.7
0.9
–40°C
+25°C
+85°C
–40°C
+25°C
+85°C
= 1.8 V,
1.0
0.8
0.8