MAX15059 Datasheet, PDF (4/15 Pages) Maxim Integrated Products – 76V, 300mW Boost Converter and Current Monitor for APD Bias Applications

76V, 300mW Boost Converter and Current
Monitor for APD Bias Applications
(VIN = 3.3V, VOUT = 70V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY vs. LOAD CURRENT
VIN = 3.3V
VOUT = 30V
VOUT = 70V
VOUT = 50V
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
LOAD CURRENT (mA)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY vs. LOAD CURRENT
VOUT = 30V
VIN = 5V
V_OUT = 70V
VOUT = 50V
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
LOAD CURRENT (mA)
2.65
2.64
2.63
2.62
2.61
2.60
2.59
2.58
2.57
2.56
2.55
0
MINIMUM STARTUP VOLTAGE
vs. LOAD CURRENT
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
LOAD CURRENT (mA)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
2.0
1.8 VFB = 1.4V
1.6
1.4
1.2
1.0
TA = +85°C
TA = +25°C
0.8
0.6
0.4
0.2
T_A = -40°C
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
NO-LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
50
45
40
35
30
TA = +25°C
25
TA = +85°C
20
15
10
5
T_A = -40°C
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
EXITING SHUTDOWN
MAX15059 toc06
SHDN
2V/div
ENTERING SHUTDOWN
MAX15059 toc07
SHDN
2V/div
1ms/div
INDUCTOR
CURRENT
500mA/div
VOUT
50V/div
4ms/div
INDUCTOR
CURRENT
500mA/div
V_OUT
50V/div
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