MAX15061 Maxim Integrated Products, MAX15061 Datasheet - Page 4

• Manufacturer Part Number: MAX15061
• Description: 300mW Boost Converter and Current Monitor
• Manufacturer: Maxim Integrated Products

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80V, 300mW Boost Converter and Current
Monitor for APD Bias Applications
(V
4
PWR
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
_______________________________________________________________________________________
70
60
50
40
30
20
10
0
= V
0
0
0mA
IN
EFFICIENCY vs. LOAD CURRENT
3V
0V
MINIMUM STARTUP VOLTAGE
= 3.3V, V
V
OUT
1
1
vs. LOAD CURRENT
V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
OUT
= 30V
= 70V
EXITING SHUTDOWN
OUT
2
2
= 70V, circuit of Figure 3 (Figure 4 for V
V
1ms/div
OUT
= 55V
3
3
V
IN
= 3.3V
I
OUT
MAX15061 toc07
4
4
= 1mA
V
50V/div
I
500mA/div
V
2V/div
L
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
OUT
SHDN
70
60
50
40
30
20
10
0
0
0
0
1
EFFICIENCY vs. LOAD CURRENT
V
OUT
2
vs. SUPPLY VOLTAGE
1
V
= 30V
3
SUPPLY CURRENT
OUT
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
T
4
= 70V
A
IN
= +25°C
5
> 5.5V), unless otherwise noted.)
2
6
Typical Operating Characteristics
T
T
A
V
A
OUT
= -40°C
7
= +125°C
= 55V
8
3
V
T
A
FB
V
9
= +85°C
IN
= 1.4V
= 5V
10
11
4
ENTERING SHUTDOWN
4ms/div
70
60
50
40
30
20
10
60
50
40
30
20
10
0
0
0
3
EFFICIENCY vs. LOAD CURRENT
T
4
A
NO-LOAD SUPPLY CURRENT
I
LOAD
= +85°C
MAX15061 toc08
vs. SUPPLY VOLTAGE
1
5
T
A
SUPPLY VOLTAGE (V)
= 1mA
LOAD CURRENT (mA)
V
= +25°C
IN
6
= 3.3V
T
A
= -40°C
OUTPUT VOLTAGE
50V/div
3V
70V
INDUCTOR CURRENT
500mA/div
0mA
SHUTDOWN VOLTAGE
2V/div
0V
2
7
V
8
IN
= 5V
9
3
V
OUT
V
IN
10
= 70V
= 8V
11
4