MAX15021 Maxim Integrated Products, MAX15021 Datasheet - Page 5

• Manufacturer Part Number: MAX15021
• Description: Step-Down DC-DC Regulator
• Manufacturer: Maxim Integrated Products

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(V
otherwise noted.)
Regulator with Tracking/Sequencing Capability
AVIN
1.030
1.025
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
0.975
0.970
= V
5.00
4.75
4.50
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
DVDD1
-40
-40
NORMALIZED UNDERVOLTAGE LOCKOUT
COINCIDENT TRACKING SOFT-START
-25
-25
THRESHOLD vs. TEMPERATURE
-10 5 20 35 50
-10 5 20 35 50
= V
QUIESCENT CURRENT
vs. TEMPERATURE
_______________________________________________________________________________________
DVDD2
TEMPERATURE (°C)
TEMPERATURE (°C)
1ms/div
= V
Dual, 4A/2A, 4MHz, Step-Down DC-DC
V
PVIN1
UVLO
65 80
65 80
NO SWITCHING
(NOM) = 2.2V
= V
95
MAX15021 toc13
95
110
110
PVIN2
125
125
V
1V/div
V
1V/div
V
5V/div
0V
0V
= 5V, V
OUT1
OUT2
AVIN
Typical Operating Characteristics (continued)
OUT1
= 3.3V, V
OUT2
= 1.5V, V
VOUT1
VOUT2
1.260
1.255
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
EN1
25
23
20
19
16
27
26
24
22
21
18
17
15
14
13
12
-40
-40
COINCIDENT TRACKING SOFT-STOP
-25 -10 5
-25
PGND_
-10 5 20 35 50
SWITCHING CURRENT
vs. TEMPERATURE
vs. TEMPERATURE
EN_ THRESHOLD
= 0V, R
TEMPERATURE (°C)
TEMPERATURE (°C)
20
REGULATOR 2 ENABLED
V
REGULATOR 1 ENABLED
V
OUT2
400μs/div
OUT1
35 50 65
= 1.5V
= 3.3V
T
= 16.5kΩ. T
65 80
80
MAX15021 toc14
95
95
110
110
A
125
125
= +25°C, unless
V
5V/div
1V/div
0V
0V
AVIN
5