Rainbow Electronics MAX5051 - Manual (Page 7)

MAX5051
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
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REG5 OUTPUT VOLTAGE
vs. TEMPERATURE
MAX5051 toc10
TEMPERATURE ( °C)
OUTPUT VOLTAGE (V)
100 75 25 50 0 -25
4.991
4.992
4.993
4.994
4.995
4.996
4.997
4.998
4.999
5.000
5.001
4.990
-50 125
AVIN SUPPLY CURRENT
vs. TEMPERATURE
MAX5051 toc11
TEMPERATURE ( °C)
AVIN SUPPLY CURRENT (
µ
A)
100 75 50 25 0 -25
100
200
300
400
500
600
700
0
-50 125
V UVLO = 0V
PVIN SUPPLY CURRENT
vs. TEMPERATURE
MAX5051 toc12
TEMPERATURE ( °C)
PVIN SUPPLY CURRENT (mA)
100 75 50 25 0 -25
6.7
6.8
6.9
7.0
7.1
7.2
6.6
-50 125
V PVIN = 12V
SOFT-START/REFERENCE VOLTAGE
vs. TEMPERATURE
MAX5051 toc13
TEMPERATURE ( °C)
SOFT-START/REFERENCE VOLTAGE (V)
100 75 25 50 0 -25
1.200
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
1.245
-50 125
CSS SOFT-START CURRENT
vs. TEMPERATURE
MAX5051 toc14
TEMPERATURE ( °C)
CSS SOFT-START CURRENT (
µ
A)
100 75 50 25 0 -25
65
70
75
80
85
90
60
-50 125
UVLO THRESHOLD vs. TEMPERATURE
MAX5051 toc15
TEMPERATURE ( °C)
UVLO (V)
100 75 -25 0 25 50
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
1.200
-50 125
STT STARTUP THRESHOLD
vs. TEMPERATURE
MAX5051 toc16
TEMPERATURE ( °C)
STT (V)
100 75 -25 0 25 50
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
1.200
-50 125
FLTINT CURRENT vs. TEMPERATURE
MAX5051 toc17
TEMPERATURE ( °C)
FLTINT CURRENT (
µ
A)
100 75 25 50 0 -25
86
85
87
88
89
90
91
92
93
94
95
-50 125
RCFF LEVEL-SHIFT VOLTAGE
vs. TEMPERATURE
MAX5051 toc18
TEMPERATURE ( °C)
RCFF LEVEL-SHIFT VOLTAGE (V)
100 75 25 50 0 -25
2.21
2.22
2.23
2.24
2.25
2.26
2.27
2.28
2.29
2.30
2.20
-50 125
Typical Operating Characteristics (continued)
(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.)