ADP5042

Manufacturer Part NumberADP5042
DescriptionMicro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
ManufacturerAnalog Devices
ADP5042 datasheet
 


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Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
VIN1 = VIN2 = VIN3 = AVIN = 5.0 V, T
VOUT1
1
VOUT2
2
VOUT3
3
2.0V/DIV 1MΩ
B
CH1
20.0M
A CH1
W
2.0V/DIV 1MΩ
B
CH2
500M
W
2.0V/DIV 1MΩ
B
CH3
20.0M
W
Figure 3. 3-Channel Start-Up Waveforms
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
VOUT1 = 1.8V,
0.2
VOUT2 = VOUT = 3.3V
0.1
0
2.3
2.8
3.3
3.8
INPUT VOLTAGE (V)
Figure 4. System Quiescent Current (Sum of All the Input Currents) vs. Input Voltage,
VOUT1 = 1.8 V, VOUT2 = VOUT3 = 3.3 V
SW
4
VOUT1
2
EN
1
IIN
3
2.0V/DIV
1MΩ
B
CH1
20.0M
A CH1
W
2.0V/DIV
1MΩ
B
CH2
500M
W
100mA/DIV 1MΩ
B
CH3
20.0M
W
5.0V/DIV
1MΩ
B
CH4
500M
W
Figure 5. Buck Startup, VOUT1 = 1.8 V, I
= 25°C, unless otherwise noted.
A
1.76V
200µs/DIV
50.0MS/s
20.0ns/pt
4.3
4.8
5.3
Figure 7. Buck Load Regulation Across Temperature, VOUT1 = 3.3 V, Auto Mode
2.92V
50µs/DIV
50.0MS/s
20.0ns/pt
Figure 8. Buck Load Regulation Across Temperature, VOUT1 = 1.8 V, Auto Mode
= 20 mA
OUT1
Rev. A | Page 9 of 32
SW
4
VOUT1
2
EN
1
LOAD
3
4.0V/DIV
1MΩ
B
CH1
20.0M
A CH1
2.24V
W
3.0V/DIV
1MΩ
B
CH2
500M
W
200mA/DIV 1MΩ
B
CH3
20.0M
W
5.0V/DIV
1MΩ
B
CH4
500M
W
Figure 6. Buck Startup, VOUT1 = 1.8 V, I
OUT2
3.34
3.32
3.30
3.28
3.26
3.24
3.22
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
OUTPUT CURRENT (A)
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
0.1
0.2
0.3
0.4
0.5
OUTPUT CURRENT (A)
ADP5042
50µs/DIV
20.0MS/s
50.0ns/pt
= 20 mA
–40°C
+25°C
+85°C
0.8
0.9
1.0
–40°C
+25°C
+85°C
0.6
0.7
0.8