ADP5042 Analog Devices, ADP5042 Datasheet - Page 9

• Manufacturer Part Number: ADP5042
• Description: Micro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
• Manufacturer: Analog Devices

Figure 4. System Quiescent Current (Sum of All the Input Currents) vs. Input Voltage,
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
VIN1 = VIN2 = VIN3 = AVIN = 5.0 V, T
1
2
3
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
CH3
CH1
CH2
CH3
CH4
0
2.3
VOUT1
SW
EN
IIN
Figure 5. Buck Startup, VOUT1 = 1.8 V, I
2.0V/DIV 1MΩ
2.0V/DIV 1MΩ
2.0V/DIV 1MΩ
2.0V/DIV
2.0V/DIV
100mA/DIV 1MΩ
5.0V/DIV
VOUT2
Figure 3. 3-Channel Start-Up Waveforms
VOUT1
VOUT3
VOUT1 = 1.8 V, VOUT2 = VOUT3 = 3.3 V
2.8
1MΩ
1MΩ
1MΩ
B
B
B
3.3
W
W
W
B
B
B
B
INPUT VOLTAGE (V)
20.0M
500M
20.0M
W
W
W
W
20.0M
500M
500M
20.0M
VOUT2 = VOUT = 3.3V
3.8
VOUT1 = 1.8V,
A CH1
A CH1
A
4.3
= 25°C, unless otherwise noted.
1.76V
2.92V
OUT1
= 20 mA
4.8
200µs/DIV
50.0MS/s
20.0ns/pt
50µs/DIV
50.0MS/s
20.0ns/pt
5.3
Rev. A | Page 9 of 32
Figure 7. Buck Load Regulation Across Temperature, VOUT1 = 3.3 V, Auto Mode
Figure 8. Buck Load Regulation Across Temperature, VOUT1 = 1.8 V, Auto Mode
3.34
3.32
3.30
3.28
3.26
3.24
3.22
4
2
1
3
1.830
1.825
1.820
1.815
1.810
1.805
1.800
1.795
1.790
1.785
1.780
1.775
CH1
CH2
CH3
CH4
0
LOAD
SW
VOUT1
EN
Figure 6. Buck Startup, VOUT1 = 1.8 V, I
0
4.0V/DIV
3.0V/DIV
200mA/DIV 1MΩ
5.0V/DIV
0.1
0.1
0.2
0.2
1MΩ
1MΩ
1MΩ
0.3
OUTPUT CURRENT (A)
B
B
B
B
OUTPUT CURRENT (A)
W
W
W
W
0.4
0.3
20.0M
500M
20.0M
500M
0.5
0.4
A CH1
0.6
0.5
0.7
2.24V
OUT2
0.6
0.8
= 20 mA
ADP5042
50µs/DIV
20.0MS/s
50.0ns/pt
0.9
0.7
–40°C
+25°C
+85°C
–40°C
+25°C
+85°C
1.0
0.8