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MAX15021EVKIT+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
MAX15021
Dual, 4A/2A, 4MHz, Step-Down
DC-DC Regulator withTracking/
Sequencing Capability
Maxim Integrated | 4www.maximintegrated.com
CHANNEL 1 EFFICIENCY
vs. LOAD CURRENT
MAX15021 toc01
LOAD CURRENT (mA)
EFFICIENCY (%)
1000
10
20
30
40
50
60
70
80
90
100
0
100 5000
V
PVIN1
= 3.3V
V
PVIN1
= 5V
V
OUT1
= 1.8V
f
SW
= 2MHz
EN2 = 0V
CHANNEL 1 EFFICIENCY
vs. LOAD CURRENT
MAX15021 toc02
LOAD CURRENT (mA)
EFFICIENCY (%)
1000
10
20
30
40
50
60
70
80
90
100
0
100 5000
V
OUT1
= 3.3V
V
OUT1
= 1.8V
V
OUT1
= 1.0V
V
PVIN1
= 5V
f
SW
= 2MHz
EN2 = 0V
CHANNEL 2 EFFICIENCY
vs. LOAD CURRENT
MAX15021 toc04
LOAD CURRENT (mA)
EFFICIENCY (%)
1000
10
20
30
40
50
60
70
80
90
100
0
100 3000
V
OUT2
= 1.0V
V
OUT2
= 1.5V
V
OUT2
= 2.5V
V
PVIN2
= 5V
f
SW
= 2MHz
EN1 = 0V
CHANNEL 1
LOAD REGULATION
MAX15021 toc05
LOAD CURRENT (A)
V
OUT1
(V)
2.52.01.51.00.5
3.302
3.304
3.306
3.308
3.310
3.312
3.314
3.316
3.318
3.320
3.300
03.0
V
PVIN1
= 5V
f
SW
= 2MHz
CHANNEL 2
LOAD REGULATION
MAX15021 toc06
LOAD CURRENT (A)
V
OUT2
(V)
1.251.000.750.500.25
1.5025
1.5030
1.5035
1.5040
1.5045
1.5050
1.5055
1.5060
1.5065
1.5070
1.5020
0 1.50
f
SW
= 2MHz
V
PVIN2
= 5V
V
PVIN2
= 3.3V
SWITCHING FREQUENCY
vs. RT RESISTANCE
MAX15021 toc07
RT RESISTANCE (kΩ)
SWITCHING FREQUENCY (MHz)
35
30
20 2510
15
5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
0
SWITCHING FREQUENCY
vs. TEMPERATURE
MAX15021 toc08
TEMPERATURE (°C)
CHANGE IN SWITCHING FREQUENCY (%)
1109565 80-10 5 20 35 50-25
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
-40 125
f
SW
= 2MHz
Typical Operating Characteristics
(V
AVIN
= V
DVDD1
= V
DVDD2
= V
PVIN1
= V
PVIN2
= 5V, V
OUT1
= 3.3V, V
OUT2
= 1.5V, V
PGND_
= 0V, R
T
= 16.5kΩ. T
A
= +25°C, unless
otherwise noted.)
MAX15021
Dual, 4A/2A, 4MHz, Step-Down
DC-DC Regulator withTracking/
Sequencing Capability
Maxim Integrated | 5www.maximintegrated.com
QUIESCENT CURRENT
vs. TEMPERATURE
MAX15021 toc09
TEMPERATURE (°C)
QUIESCENT CURRENT (mA)
1109565 80-10 5 20 35 50-25
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
2.50
-40 125
NO SWITCHING
SWITCHING CURRENT
vs. TEMPERATURE
MAX15021 toc10
TEMPERATURE (°C)
SWITCHING CURRENT (mA)
1109565 80-10 5 20 35 50-25
14
13
15
16
17
18
19
20
21
22
23
24
25
26
27
12
-40 125
REGULATOR 1 ENABLED
V
OUT1
= 3.3V
REGULATOR 2 ENABLED
V
OUT2
= 1.5V
NORMALIZED UNDERVOLTAGE LOCKOUT
THRESHOLD vs. TEMPERATURE
MAX15021 toc11
TEMPERATURE (°C)
NORMALIZED UVLO THRESHOLD (V)
1109565 80-10 5 20 35 50-25
0.975
0.980
0.985
0.990
0.995
1.000
1.005
1.010
1.015
1.020
1.025
1.030
0.970
-40 125
V
UVLO
(NOM) = 2.2V
COINCIDENT TRACKING SOFT-START
MAX15021 toc13
V
AVIN
5V/div
V
OUT1
1V/div
V
OUT2
1V/div
0V
0V
1ms/div
COINCIDENT TRACKING SOFT-STOP
MAX15021 toc14
V
AVIN
5V/div
1V/div
0V
0V
400μs/div
VOUT2
EN1
VOUT1
EN_ THRESHOLD
vs. TEMPERATURE
MAX15021 toc12
TEMPERATURE (°C)
EN_ THRESHOLD (V)
11095-25 -10 5 35 50 6520 80-40 125
1.215
1.220
1.225
1.230
1.235
1.240
1.245
1.250
1.255
1.260
1.210
Typical Operating Characteristics (continued)
(V
AVIN
= V
DVDD1
= V
DVDD2
= V
PVIN1
= V
PVIN2
= 5V, V
OUT1
= 3.3V, V
OUT2
= 1.5V, V
PGND_
= 0V, R
T
= 16.5kΩ. T
A
= +25°C, unless
otherwise noted.)
CHANNEL 2 LOAD STEP RESPONSE
MAX15021 toc17
V
PVIN2
5V/div
V
OUT2
1.5V, AC-COUPLED
100mV/div
I
OUT2
1A/div
0V
0A
20μs/div
EN1 = 0V
180° OUT-OF-PHASE OPERATION
MAX15021 toc19
PVIN1 = PVIN2
5V/div
V
LX1
5V/div
V
LX2
5V/div
0V
0V
0V
200ns/div
IOUT1 = 3A
IOUT2 = 1.5A
CHANNEL 2 LOAD STEP RESPONSE
MAX15021 toc18
V
PVIN2
5V/div
V
OUT2
1.5V, AC-COUPLED
100mV/div
I
OUT2
1A/div
0V
0A
20μs/div
EN1 = 0V
MAX15021
Dual, 4A/2A, 4MHz, Step-Down
DC-DC Regulator withTracking/
Sequencing Capability
Maxim Integrated | 6www.maximintegrated.com
CHANNEL 1 LOAD STEP RESPONSE
MAX15021 toc15
V
PVIN1
5V/div
V
OUT1
3.3V, AC-COUPLED
100mV/div
I
OUT1
2A/div
0V
0A
20μs/div
EN2 = 0V
CHANNEL 1 LOAD STEP RESPONSE
MAX15021 toc16
V
PVIN1
5V/div
V
OUT1
3.3V, AC-COUPLED
100mV/div
I
OUT1
2A/div
0V
0A
20μs/div
EN2 = 0V
Typical Operating Characteristics (continued)
(V
AVIN
= V
DVDD1
= V
DVDD2
= V
PVIN1
= V
PVIN2
= 5V, V
OUT1
= 3.3V, V
OUT2
= 1.5V, V
PGND_
= 0V, R
T
= 16.5kΩ. T
A
= +25°C, unless
otherwise noted.)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

MAX15021EVKIT+

Mfr. #:
Buy MAX15021EVKIT+
Manufacturer:
Maxim Integrated
Description:
Lifecycle:
New from this manufacturer.
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