MAX765ESA Datasheet Download

Part No.:
MAX765ESA
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Download Datasheet
Description:
[-5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ DC-DC Inverters]
File Size:
134 K
Page:
12 Pages
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Manufacturer:
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
PCB Prototype
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-5V/-12V/-15V or Adjustable,
High-Efficiency, Low I
Q
DC-DC Inverters
MAX764/MAX765/MAX766
____________________________Typical Operating Characteristics (continued)
(V+ = 5V, V
OUT
= -5V, T
A
= +25°C, unless otherwise noted.)
MAXIMUM OUTPUT CURRENT
vs. SUPPLY VOLTAGE
MAX764 -04
NO-LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX764 -05
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
NO-LOAD SUPPLY CURRENT (µA)
MAX764 -06
600
MAXIMUM OUTPUT CURRENT (mA)
CIRCUIT OF FIGURE 2
500
400
300
200
V
OUT
= -12V
100
V
OUT
= -15V
0
V
OUT
= -5V
100
NO-LOAD SUPPLY CURRENT (µA)
95
90
85
80
75
70
65
60
110
105
100
95
90
85
80
75
70
65
60
55
50
V+ = 15V
V+ = 5V
3 4 5 6 7 8 9 10 11 12 13 14 15 16
SUPPLY VOLTAGE (V)
3 4 5 6 7 8 9 10 11 12 13 14 15 16
SUPPLY VOLTAGE (V)
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX764 -07
MAXIMUM SWITCH ON-TIME
vs. TEMPERATURE
MINIMUM SWITCH OFF-TIME (µs)
MAXIMUM SWITCH ON-TIME (µs)
16.8
16.6
16.4
16.2
16.0
15.8
15.6
15.4
15.2
15.0
V+ = 5V
V+ = 15V
MAX764 -08
MINIMUM SWITCH OFF-TIME
vs. TEMPERATURE
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
V+ = 5V
V+ = 15V
MAX764 -09
4.0
3.5
SHUTDOWN CURRENT (µA)
3.0
2.5
V+ = 15V
2.0
1.5
V+ = 8V
1.0
0.5
0
V+ = 4V
-60 -40 -20
17.0
2.60
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
SWITCH ON/OFF-TIME RATIO
vs. TEMPERATURE
MAX764 -10
START-UP SUPPLY VOLTAGE
vs. OUTPUT CURRENT
CIRCUIT OF FIGURE 2
START-UP SUPPLY VOLTAGE (V)
7
6
5
4
3
2
1
0
1
0
50
100
150
200
250
300
MAX764 -11
LX LEAKAGE CURRENT
vs. TEMPERATURE
I
V
OUT
I
+ (V+) = 20V
LX LEAKAGE CURRENT (nA)
1000
MAX764-12
7.2
SWITCH ON/OFF-TIME RATIO (µs/µs)
7.1
7.0
6.9
6.8
6.7
6.6
6.5
6.4
6.3
6.2
-60 -40 -20
V+ = 5V
8
10,000
100
10
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
20 30 40 50 60 70 80 90 100 110 120 130
TEMPERATURE (°C)
OUTPUT CURRENT (mA)
4
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