GS-R400VB Maxim Integrated Products, GS-R400VB Datasheet - Page 4

• Manufacturer Part Number: GS-R400VB
• Description: 20W TO 140W STEP-DOWN SWITCHING REGULATOR FAMILY
• Manufacturer: Maxim Integrated Products

SC70, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
(T
4
A
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.990
= +25°C, unless otherwise noted.)
______________________________________________________________________________________
9
8
7
6
5
4
3
2
1
0
-40
-40
SUPPLY CURRENT vs. TEMPERATURE
-25
-25
NORMALIZED RESET THRESHOLD
-10 5
-10 5 20
V
CC
vs. TEMPERATURE
= +5.5V
TEMPERATURE (°C)
TEMPERATURE (°C)
20 35 50 65 80 95 110 125
(NO LOAD)
500
450
400
350
300
250
200
150
100
50
35 50
0
1
RESET COMPARATOR OVERDRIVE, V
vs. RESET COMPARATOR OVERDRIVE
V
MAXIMUM TRANSIENT DURATION
65
CC
V
= +1.8V
80
CC
= +3.6V
95
RESET ASSERTED
ABOVE THIS LINE
10
110
125
100
43
41
39
37
35
33
31
29
27
25
1.2
1.0
0.8
0.6
0.4
0.2
TH
0
-40
- V
0
CC
-25
(mV)
POWER-DOWN RESET DELAY
1000
-10 5
V
OUTPUT VOLTAGE LOW
CC
vs. TEMPERATURE
3
vs. SINK CURRENT
= +1.8V
TEMPERATURE (°C)
20 35 50 65 80 95 110 125
V
I
SINK
CC
V
CC
= +3.0V
6
(mA)
= +3.0V
Typical Operating Characteristics
V
9
CC
= +4.5V
5.5
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
-40
12
-25
-10 5
RESET IN TO RESET DELAY
vs. TEMPERATURE
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
3.0
2.5
2.0
1.5
1.0
0.5
TEMPERATURE (°C)
0
20 35 50 65 80 95 110 125
NORMALIZED POWER-UP RESET TIMEOUT
-40
0
-25
V
250
CC
-10 5 20
OUTPUT VOLTAGE HIGH
= +1.8V
vs. SOURCE CURRENT
vs. TEMPERATURE
500
TEMPERATURE (°C)
I
SOURCE
35 50 65 80 95 110 125
750
(µA)
1000
V
CC
= +2.5V
1250
1500