Datasheet

Data Sheet ADP5024
Rev. E | Page 9 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 VO
LTAGE (V)
QUIESCENT CURRENTA)
09888-003
Figure 3. System Quiescent Current vs. Input Voltage, V
OUT1
= 3.3 V,
V
OUT2
= 1.8 V, V
OUT3
= 1.2 V, All Channels Unloaded
4
1
3
T
2
CH
1 2
.00
V
CH4 5.00V
M
40.0µ
s A CH
3 2.
2
V
T 11
.20%
B
W
CH2 50.
0mA
B
W
B
W
CH
3 5.
00V
B
W
SW
I
OU
T
VOUT
EN
09888-004
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%
B
W
CH2 50.0mA
B
W
B
W
CH3 5.00V
B
W
SW
IOUT
VOUT
EN
09888-005
Figure 5. BUCK2 Startup, V
OUT2
= 3.3 V, I
OUT2
= 10 mA
3.270
3.275
3.280
3.285
3.290
3.295
3.300
3.305
3.310
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
V
OUT
(V)
I
OUT
(A)
–40°C
+25°C
+85°C
09888-006
Figure 6. BUCK1 Load Regulation Across Temperature ,V
IN
= 4.2 V,
V
OUT1
= 3.3 V, PWM Mode
1.798
1.800
1.802
1.804
1.806
1.808
1.810
1.812
0
0.1 0.2 0.3
0.4 0.5 0.6 0.7
0.8 0.9 1
1.1 1.2
V
OUT
(V)
I
OUT
(A)
–40°C
+25°C
+85°C
09888-007
Figure 7. BUCK2 Load Regulation Across Temperature, V
IN
= 3.6 V,
V
OUT2
= 1.8 V, PWM Mode
0.802
0.803
0.804
0.805
0.806
0.807
0.808
0
0.1 0.2 0.3
0.4
0.5
0.6 0.7 0.8 0.9 1 1.1 1.2
V
OUT
(V)
I
OUT
(A)
–4
0°C
+2
5°C
+85°C
09888-008
Figure 8. BUCK1 Load Regulation Across Temperature, V
IN
= 3.6 V,
V
OUT1
= 0.8 V, PWM Mode