Datasheet

ADP5023 Data Sheet
Rev. D | Page 8 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN1
= V
IN2
= V
IN3
= 3.6 V, T
A
= 25°C, unless otherwise noted.
0
20
40
60
80
100
120
140
2.3 2.8 3.3 3.8 4.3 4.8 5.3
INPUT VOLTAGE (V)
QUIESCENT CURRENT (µA)
09889-139
Figure 3. System Quiescent Current vs. Input Voltage, V
OUT1
= 3.3 V,
V
OUT2
= 1.8 V, V
OUT3
= 1.2 V, V
OUT4
= 3.3 V, All Channels Unloaded
4
1
3
T
2
CH1 2.00V
CH4 5.00V
M 40.0µs A CH3 2.2V
T 11.20%
CH2 50.0mA Ω
CH3 5.00V
SW
IOUT
VOUT
EN
09889-021
Figure 4. BUCK1 Startup, V
OUT1
= 1.8 V, I
OUT1
= 5 mA
4
1
3
T
2
CH1 2.00V
CH4 5.00V
M 40.0µs A CH3 2.2V
T 11.20%
CH2 50.0mA Ω
CH3 5.00V
SW
IOUT
VOUT
EN
09889-020
Figure 5. BUCK2 Startup, V
OUT2
= 3.3 V, I
OUT2
= 10 mA
3.310
3.305
3.270
0 0.8
V
OUT
(V)
I
OUT
(A)
3.275
3.280
3.285
3.290
3.295
3.300
0.1
0.2 0.3
0.4
0.5 0.6 0.7
–40°C
+25°C
+85°C
09889-058
Figure 6. BUCK1 Load Regulation Across Temperature, V
IN
= 4.2 V,
V
OUT1
= 3.3 V, PWM Mode
1.812
1.798
0 0.8
V
OUT
(V)
I
OUT
(A)
0.1 0.2 0.3 0.4 0.5 0.6 0.7
1.800
1.802
1.804
1.806
1.808
1.810
–40°C
+25°C
+85°C
09889-057
Figure 7. BUCK2 Load Regulation Across Temperature, V
IN
= 3.6 V,
V
OUT2
= 1.8 V, PWM Mode
0.808
0.802
0 0.8
V
OUT
(V)
I
OUT
(A)
0.1 0.2
0.3 0.4 0.5 0.6 0.7
+25°C
+85°C
0.803
0.804
0.805
0.806
0.807
–40°C
09889-054
Figure 8. BUCK1 Load Regulation Across Temperature, V
IN
= 3.6 V,
V
OUT1
= 0.8 V, PWM Mode