ADP3050 Analog Devices, ADP3050 Datasheet - Page 6
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ADP3050
Manufacturer Part Number
ADP3050
Description
200 kHz, 1 A Step-Down High-Voltage Switching Regulator
Manufacturer
Analog Devices
Datasheet
1.ADP3050.pdf
(24 pages)
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ADP3050
TYPICAL PERFORMANCE CHARACTERISTICS
25
20
15
10
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
5
0
8
6
4
2
0
0
Figure 4. Shutdown Quiescent Current vs. Supply Voltage
Figure 5. Quiescent Operating Current vs. Supply Voltage
–45 –35 –25 –15 –5
0
0
Figure 3. Quiescent Operating Current vs. Temperature
BIAS TIED TO V
V
IN
= 10V, NO LOAD
INTO BIAS PIN
INTO IN PIN
5
5
V
OUT
OUT
= 3.3V
10
10
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
5
V
15
OUT
15
15
25
= 5V
35
20
20
45
55
25
25
65
75
30
30
85
Rev. B | Page 6 of 24
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
25
20
15
10
90
80
70
60
50
40
30
20
10
0
0
–45 –35 –25 –15 –5
5
0
Figure 6. Average Output Current Limit vs. Temperature
0
0
V
V
IN
IN
0.1
= 10V
L = 33µH
C
C
= 10V
IN
OUT
Figure 7. Boost Current vs. Load Current
= 22µF
200
0.2
= 100µF
V
Figure 8. 5 V Output Efficiency
IN
V
IN
= 12V
0.3
= 6V
OUTPUT CURRENT (mA)
V
IN
TEMPERATURE (°C)
LOAD CURRENT (A)
= 18V
400
5
0.4
V
IN
15
= 24V
0.5
V
25
IN
600
= 30V
0.6
35
45
0.7
55
800
0.8
65
0.9
75
1.0
1
85
k