Typical operating characteristics – Rainbow Electronics MAX5051 User Manual
Page 6
MAX5051
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
AVIN
= V
PVIN
= 12V, V
UVLO
= V
STT
= 3V, V
CON
= 3V, R
RCOSC
= 24k
Ω, C
CSS
= 10nF, C
RCOSC
= 100pF, C
REG9
= 4.7µF, C
REG5
=
4.7µF, T
A
= +25°C, unless otherwise noted.)
AVIN STANDBY CURRENT
vs. AVIN SUPPLY VOLTAGE
MAX5051 toc01
AVIN SUPPLY VOLTAGE (V)
AVIN STANDBY CURRENT (
µ
A)
70
60
40
50
30
20
210
220
230
240
250
260
270
280
290
300
200
10
80
V
UVLO
= 0V
AVIN STANDBY CURRENT
vs. TEMPERATURE
MAX5051 toc02
TEMPERATURE (
°C)
AVIN STANDBY CURRENT (
µ
A)
100
75
25
50
0
-25
210
220
230
240
250
260
270
280
200
190
180
-50
125
V
UVLO
= 0V
PVIN STANDBY CURRENT
vs. SUPPLY VOLTAGE
MAX5051 toc03
PVIN SUPPLY VOLTAGE (V)
PVIN STANDBY CURRENT (
µ
A)
70
60
50
40
30
20
100
200
300
400
500
600
0
10
80
V
UVLO
= 0V
PVIN STANDBY CURRENT
vs. TEMPERATURE
MAX5051 toc04
TEMPERATURE (
°C)
PVIN STANDBY CURRENT (
µ
A)
100
75
50
25
0
-25
100
200
300
400
500
600
0
-50
125
V
UVLO
= 0V
PVIN STARTUP VOLTAGE
vs. TEMPERATURE
MAX5051 toc05
TEMPERATURE (
°C)
PVIN STARTUP VOLTAGE (V)
100
75
50
25
0
-25
23.1
23.2
23.3
23.4
23.5
23.6
23.0
-50
125
STT = FLOATING
REG9 OUTPUT VOLTAGE
vs. PVIN VOLTAGE
MAX5051 toc06
PVIN VOLTAGE (V)
REG9 OUTPUT VOLTAGE (V)
70
60
50
40
30
20
8.793
8.796
8.799
8.802
8.805
8.970
10
80
REG9 OUTPUT VOLTAGE
vs. TEMPERATURE
MAX5051 toc07
TEMPERATURE (
°C)
REG9 OUTPUT VOLTAGE (V)
100
75
25
50
0
-25
8.72
8.74
8.76
8.78
8.80
8.82
8.84
8.86
8.88
8.90
8.70
-50
125
REG9 OUTPUT VOLTAGE
vs. REG9 OUTPUT CURRENT
MAX5051 toc08
REG9 OUTPUT CURRENT (mA)
REG9 OUTPUT VOLTAGE (V)
140
120
80
100
40
60
20
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9.0
8.0
0
160
REG5 OUTPUT VOLTAGE
vs. REG5 OUTPUT CURRENT
MAX5051 toc09
REG5 OUTPUT CURRENT (mA)
REG5 OUTPUT VOLTAGE (V)
80
70
60
50
40
30
20
10
4.4
4.8
5.2
5.6
6.0
4.0
0
90