ADP1073AN-5 AD [Analog Devices], ADP1073AN-5 Datasheet - Page 4

• Manufacturer Part Number: ADP1073AN-5
• Description: Micropower DC.DC Converter Adjustable and Fixed 3.3 V, 5 V, 12 V
• Manufacturer: AD [Analog Devices]

ADP1073
1000
Figure 2. Saturation Voltage vs.
Switch Current in Step-Up Mode
Figure 5. Guaranteed Minimum
Output Current at V
Input Voltage
100
Figure 8. Oscillator Frequency vs.
Temperature
1.2
0.8
0.6
0.4
0.2
22
21
20
19
18
17
16
15
14
10
0
1
0
0.1 0.2
1
40
V
IN
V
= 3.0V
IN
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1
= 1.0V
1.5
V
SWITCH CURRENT – Amps
IN
INPUT VOLTAGE – Volts
0
TEMPERATURE – C
–Typical Performance Characteristics
= 5.0V
V
IN
2
R
FOR V
= 1.25V
LIM
25
= 68
V
2.5
IN
OUT
IN
> 1.6V,
= 1.5V
V
= 5 V vs.
IN
70
= 2.0V
3
1.2
85
3.5
Figure 9. Duty Cycle vs. Temperature
Figure 3. Switch ON Voltage vs.
Switch Current in Step-Down Mode
Figure 6. Set Pin Bias Current vs.
Temperature
120
110
100
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
90
80
70
60
50
40
70
68
66
64
62
60
58
56
2
1
0
0.05
40
40
0.1
SATURATION VOLTAGE
SWITCH CURRENT – Amps
0
0
0.2
TEMPERATURE – C
TEMPERATURE – C
–4–
0.3
25
25
0.4
0.5
70
70
0.6
0.7
85
85
Figure 4. Maximum Switch Current
vs. R
1400
1200
1000
34.5
33.5
32.5
31.5
30.5
800
600
400
200
160
140
120
100
80
60
40
34
33
32
31
30
Figure 10. Switch ON Time vs.
Temperature
Figure 7. Supply Current vs.
Temperature
0
10
LIM
40
40
30
V
WITH L = 82 H
V
WITH L = 82 H
IN
IN
V
IN
50 70
= 1.5V
= 3V
= 1.5V
0
0
TEMPERATURE – C
TEMPERATURE – C
90 200 400 600 800
R
LIM
25
25
–
V
WITH L = 150 H
IN
= 12V
70
70
REV. 0
1000
85
85