Switching Regulators

MaxLinear's family of synchronous and non-synchronous switching regulators provide a single-chip solution for Point-of-Load (PoL) applications. These regulators fit in a wide range of applications and power architectures by enabling step-down DC/DC conversions from various bus levels and providing a highly efficient, high performing solution in a compact footprint.


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3A 18V PFM/PWM Step-Down Regulator
1
3
-
4.5
18
-
1200
0.925
16
340
2.0
95
-
Current Mode PWM
HSOIC-8
Light Load PFM, Enable, Over Current Protection, Thermal Shutdown, Soft Start Adjustable
-40 to 85
3A 18V Synchronous Step-Down Converter
1
3
-
4.5
18
-
1000
0.925
16
340
2.0
93
-
Current Mode PWM
HSOIC-8
Enable, Over Current Protection, Thermal Shutdown, Soft Start Adjustable
-40 to 85
2A 18V Synchronous Step-Down Converter
1
2
-
4.5
18
-
1000
0.925
16
340
2.0
95
-
Current Mode PWM
SOIC-8
Enable, Over Current Protection, Thermal Shutdown, Soft Start Adjustable
-40 to 85
12A 300kHz Step-Down Regulator
1
12
-
3
22
-
1500
0.8
20.2
300
1.0
93
7x4
Voltage Mode PWM
DFN-26
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Built-in 3.3/5V LDO, Soft Start Adjustable, Adjustable Current Limit
-40 to 125
1.5A Non Synchronous Step-Down Regulator
1
1.5
-
4.5
18
-
800
0.81
15
1400
3.0
92
-
Current Mode PWM
SOT23-6
Enable, Over Current Protection, Thermal Shutdown, Soft Start Built-in, Internal Compensation
-40 to 85
3A Synchronous Step-Down Regulator
1
3
-
2.6
5.5
-
460
0.8
5
300-2500
<2.0
95
-
Current Mode PWM
DFN-10
Enable, Over Current Protection, Power Good, Synchronous Rectification, Thermal Shutdown, UVLO, Soft Start Built-in, 100% Duty Cycle
-40 to 125
Dual Channel Step-Down Regulator
2
1
-
2.5
5.5
-
30
0.6
5
1500
<3.0
97
-
Current Mode PWM
SOIC-8
Light Load PFM, Enable, Over Current Protection, Synchronous Rectification, Thermal Shutdown, UVLO, 100% Duty Cycle
-40 to 85
1A Synchronous Step-Down Regulator
1
1
-
2.5
5.5
-
15
0.6
5
1500
<3.0
97
-
Current Mode PWM
SOT23-5, DFN-6
Light Load PFM, Enable, Over Current Protection, Synchronous Rectification, Thermal Shutdown, UVLO, 100% Duty Cycle
-40 to 85
1.5A Synchronous Step-Down Converter
1
1.5
-
2.5
5.5
-
240
0.6
5
1300
<2.5
95
-
Current Mode PWM
DFN-6
Light Load PFM, Enable, Over Current Protection, Synchronous Rectification, Thermal Shutdown, Soft Start Built-in, Internal Compensation, 100% Duty Cycle
-40 to 85
Universal PMIC 3 Output Buck Regulator
3
2
-
4.5
14
-
2800
0.8
6
1000
<1.0
93
-
Current Mode PWM
TQFN-32
Light Load PFM, Enable, Over Current Protection, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Phase Interleaving, Clock Sync, Soft Start Built-in
-40 to 125
Universal PMIC 3 Output Buck Regulator
3
2
-
4.5
14
-
2600
0.8
6
500
<1.0
93
-
Current Mode PWM
TQFN-32
Light Load PFM, Enable, Over Current Protection, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Phase Interleaving, Clock Sync, Soft Start Built-in
-40 to 125
AEC-Q100 Qualified 40V, 8A Synchronous Step-Down COT Regulator
1
8
-
5.5
40
-
700
0.6
30
100-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30 5x5
AEC-Q100 Qualification, Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
8A 40V Synchronous Step-Down COT Regulator
1
8
-
3
40
-
700
0.6
30
100-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
AEC-Q100 Qualified 40V, 5A Synchronous Step-Down COT Regulator
1
5
-
5.5
40
-
700
0.6
30
100-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30 5x5
AEC-Q100 Qualification, Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
5A 40V Synchronous Step-Down COT Regulator
1
5
-
3
40
-
700
0.6
30
100-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30 5x5
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
AEC-Q100 Qualified 40V, 3A Synchronous Step-Down COT Regulator
1
3
-
5.5
40
-
700
0.6
30
100-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30 5x5
AEC-Q100 Qualification, Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
3A 40V Synchronous Step-Down COT Regulator
1
3
-
3
40
-
700
0.6
30
100-800
0.5
95
5x5
Proprietary emulated current mode COT
QFN-30 5x5
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
1.5A 40V Synchronous Step Down COT Regulator
1
1.5
-
3
40
-
700
0.6
30
400-800
0.5
95
5x5
Proprietary emulated current mode COT
QFN30 5x5
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
20A, 22V Synchronous Step-Down COT Regulator
1
20
-
4.5
22
-
800
0.6
18
200-1000
0.5
97
5x6
Proprietary emulated current mode COT
QFN-17
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
15A, 22V Synchronous Step-Down COT Regulator
1
15
-
4.5
22
-
800
0.6
18
200-1000
0.5
97
5x6
Proprietary emulated current mode COT
QFN-17
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
15A Synchronous Step-Down COT Regulator
1
15
-
3
22
-
700
0.6
18
200-800
0.5
96
6x6
Proprietary emulated current mode COT
QFN-30
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
12A Synchronous Step-Down COT Regulator
1
12
-
3
22
-
700
0.6
18
200-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
8A Synchronous Step-Down COT Regulator
1
8
-
3
22
-
700
0.6
18
200-800
0.5
96
5x5
Proprietary emulated current mode COT
QFN-30
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Built-in 3.3/5V LDO, Soft Start Adjustable, Internal Compensation, Adjustable Current Limit
-40 to 125
12A 300KHz Buck Regulator
1
12
-
3
22
-
1500
0.8
20.2
300
1.0
93
7x4
Voltage Mode PWM
DFN-26
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Built-in 3.3/5V LDO, Soft Start Adjustable, Adjustable Current Limit
-40 to 125
6A 600kHz Buck Regulator
1
6
-
2.5
28
-
1500
0.8
27
600
1.0
92
7x4
Voltage Mode PWM
DFN-26
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Soft Start Adjustable
-40 to 125
3A 900kHz Buck Regulator
1
3
-
2.5
20
-
1500
0.8
19
900
1.0
92
7x4
Voltage Mode PWM
DFN-26
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Soft Start Adjustable
-40 to 125
3A 300kHz Buck Regulator
1
3
-
2.5
28
-
1500
0.8
27
300
1.0
95
7x4
Voltage Mode PWM
DFN-26
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Soft Start Adjustable
-40 to 125
800mA 1.5MHz Synchronous Step-Down Converter
1
0.8
-
2.5
6.0
-
18
0.6
5
1500
2.0
95
-
Current Mode PWM
SOT23-5
Light Load PFM, Enable, Over Current Protection, Synchronous Rectification, Thermal Shutdown, 100% Duty Cycle
-40 to 85
200mA Charge Pump Inverter, Doubler
-
0.2
-
1.5
5.3
n/a
3000
-5
10
120/900
-
94
-
-
SOIC-8, MSOP-8
Charge pump topology, Selectable oscillator, External oscillator Input
-40 to 85
800mA Synchronous Buck Regulator
1
0.8
-
2.7
5.5
-
20
0.8
5
PFM
<4.0
98
-
COT
DFN-10
Light Load PFM, Enable, Over Current Protection, Power Good, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Internal Compensation, 100% Duty Cycle
-40 to 85
Synchronous Step-Down Converter
1
1
-
2.7
5.5
-
1000
0.9
5
1400
<4.0
97
-
Current Mode PWM
MSOP-10
Light Load PFM, Enable, Over Current Protection, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Clock Sync, Soft Start Adjustable, 100% Duty Cycle
-40 to 85
High Efficiency Step-Up Regulator
1
0.4
1.3
0.7
4.5
0.85
13
2.5
5.5
-
-
94
-
-
MSOP-10
Synchronous, Enable pin, Programmable low battery detection, Under voltage lockout protection
0 to 85, -40 to 85
500mA Alkaline DC/DC Boost Regulator
1
0.5
0.28
0.9
4.5
0.85
10
3.3
5
-
-
87
-
-
SOT23-5
Non synchronous, Enable pin, Current limiting
0 to 85 -40 to 85
500mA Alkaline DC/DC Boost Regulator
1
0.1
0.28
0.9
4.5
0.85
10
3.3
5
-
-
87
-
-
SOT23-5
Non synchronous, Enable pin, Current limiting
0 to 85 -40 to 85
1.5A Boost, Inverting Step-Up Regulator
1
1.5
1.5
3
36
n/a
4000
1
27
180
-
80
-
-
SOIC-8
Can be implemented in buck, boost or inverting topologies
-40 to 85