STOD02 STMicroelectronics, STOD02 Datasheet - Page 13

• Manufacturer Part Number: STOD02
• Description: Dual DC-DC converter for powering AMOLED display
• Manufacturer: STMicroelectronics

Specifications of STOD02

• Typical Efficiency: 85 %
• Low Quiescent Current: <1 μA in shutdown mode
• Temperature Range: -40 °C to 85 °C
• Package: DFN 12 leads - (3 x 3 mm)

7
Figure 7.
Efficiency values are measured using MARUWA
Figure 9.
Figure 11. PWM step-up frequency vs.
CXFU0208-4R7 (0.44 Ω DC resistance)
1.8
1.8
1.6
1.6
1.4
1.4
1.2
1.2
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
1.9
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.5
1.5
1.4
1.4
1.3
1.3
1.2
1.2
1.1
1.1
88%
88%
86%
86%
84%
84%
82%
82%
80%
80%
78%
78%
76%
76%
74%
74%
72%
72%
70%
70%
2
2
1
1
0
0
2
2
1
1
-55
-55
2
2
2.5
2.5
I
I
O1,2
O1,2
V
V
EN
EN
=NO LOAD, V
=NO LOAD, V
V
V
=V
=V
-35
-35
EN
EN
INA
INA
=V
=V
Typical performance characteristics
C
2.9
2.9
Efficiency vs. input voltage
input voltage
2.5
2.5
temperature
Step-up inductor peak current vs.
=V
=V
INA
INA
I
=V
=V
INP
INP
-15
-15
= C
INP
INP
=3.7V, L
=3.7V, L
=2.3 to 4.5 V, V
=2.3 to 4.5 V, V
O1
O1
=+4V, V
=+4V, V
O1,2
3.3
3.3
5
5
3
3
TEMPERATURE [°C]
TEMPERATURE [°C]
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
1
1
=L
=L
= 4.7 µF, C
2
2
O2
O2
=OPEN LOOP replaced by 100Ω resistor,
=OPEN LOOP replaced by 100Ω resistor,
3.7
3.7
=-4V externally forced, T
=-4V externally forced, T
25
25
O1
O1
=below 10% of nominal value, V
=below 10% of nominal value, V
V
V
IN
IN
3.5
3.5
[V]
[V]
45
45
4.1
4.1
I
I
OUT
OUT
REF
65
65
4
4
=100mA
=100mA
4.5
4.5
= 1 µF, L
J
J
85
85
=-55°C to 125°C
=-55°C to 125°C
O2
O2
4.5
4.5
4.9
4.9
Doc ID 15245 Rev 3
=-4.9 V
=-4.9 V
105
105
1
125
125
5.3
5.3
= L
5
5
2
Figure 8.
Efficiency values are measured using MARUWA
Figure 10. Inverting inductor peak current vs.
Figure 12. PWM inverting frequency vs.
= 4.7 µH, T
1.9
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.5
1.5
1.4
1.4
1.3
1.3
1.2
1.2
1.1
1.1
-0.2
-0.2
-0.4
-0.4
-0.6
-0.6
-0.8
-0.8
-1.2
-1.2
-1.4
-1.4
-1.6
-1.6
-1.8
-1.8
CXFU0208-4R7 (0.44 Ω DC resistance)
90%
90%
88%
88%
86%
86%
84%
84%
82%
82%
80%
80%
78%
78%
76%
76%
74%
74%
72%
72%
70%
70%
2
2
1
1
-1
-1
-2
-2
0
0
-55
-55
2
2
I
I
O1,2
O1,2
0
0
V
V
EN
EN
=NO LOAD, V
=NO LOAD, V
=V
=V
-35
-35
V
V
INA
INA
J
EN
EN
20
20
=V
=V
Efficiency vs. output current
input voltage
temperature
=V
=V
= 25 °C
INA
INA
INP
INP
-15
-15
=V
=V
=3.7V, L
=3.7V, L
INP
INP
O1
O1
3
3
40
40
=2.3 to 6 V, V
=2.3 to 6 V, V
=+4V, V
=+4V, V
5
5
TEMPERATURE [°C]
TEMPERATURE [°C]
1
1
=L
=L
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
60
60
2
2
O2
O2
=OPEN LOOP replaced by 100Ω resistor,
=OPEN LOOP replaced by 100Ω resistor,
=-4V externally forced, T
=-4V externally forced, T
25
25
I
I
O2
O2
OUT
OUT
=below 10% of nominal value, V
=below 10% of nominal value, V
80
80
[mA]
[mA]
4
4
45
45
100
100
65
65
120
120
J
J
5
5
85
85
=-55°C to 125°C
=-55°C to 125°C
O1
O1
140
140
=4.6 V
=4.6 V
105
105
13/23
160
160
125
125
6
6