-5V/-12V/-15V or Adjustable,
High-Efficiency, Low I
Q
Inverting DC-DC Controllers
MAX774/MAX775/MAX776
_____________________________Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
OPERATING SUPPLY CURRENT
vs. TEMPERATURE
MAX774/5/6-8
REFERENCE
TEMPERATURE COEFFICIENT
MAX774/5/6-12
80
V+ = 16.5V
78
76
V+ = 10V
I
CC
(µA)
74
72
70
68
66
-60 -40 -20
0
20
40 60
V+ = 3V
1.506
1.504
REFERENCE OUTPUT (V)
1.502
1.500
1.498
1.496
1.494
1.492
80 100 120 140
-60 -40 -20
0
20
40 60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
CS TRIP LEVEL
MAX774/5/6-11
REFERENCE
OUTPUT RESISTANCE
REFERENCE OUTPUT RESISTANCE (Ω)
MAX774/5/6-13
235
230
225
CS TRIP LEVEL (mV)
220
215
210
205
200
195
190
185
-60 -40 -20
0
20
40 60
250
200
I
REF
= 10µA
150
I
REF
= 50µA
100
50
I
REF
= 100µA
0
-60 -40 -20
0
20
40 60
80 100 120 140
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
6
_______________________________________________________________________________________