Switching Controllers

Step-down (buck) controllers are the basic building blocks for high efficiency and high power point-of-load supplies. Step-down controllers allow maximum flexibility and customization for high performance conversions.


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SP6132H
Wide Input, 300kHz Synchronous PWM Controller
300KHz PWM Switching Controller
20
1500
3
28
0.8
27
300
95
Voltage Mode PWM
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Soft Start Adjustable
-40 to 85
MSOP-10
SP6134
Dual-Supply Synchronous Buck Controller
600KHz PWM Step-Down Controller
15
1500
3
28
0.8
27
600
94
Voltage Mode PWM
Enable, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO Adjustable, Soft Start Adjustable
-40 to 85
MSOP-10
XR75100
40V Synchronous Step-Down COT Controller
40V Synchronous Step-Down COT Controller
20
700
3
40
0.6
30
200-800
96
Proprietary emulated current mode COT
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Internal 5V VCC, Soft Start Adjustable
-40 to 125
QFN-16
XRP6124
Non-Synchronous PFET Step-Down Controller
Non-Synchronous PFET Step-Down COT Controller
5
500
3
30
1.2
16
200-1000
92
Proprietary emulated current mode COT
Light Load PFM, Enable, Thermal Shutdown, UVLO, Internal 5V VCC, Soft Start Built-in, Internal Compensation
-40 to 125
SOT23-5
XRP6141
35A Synchronous Step-Down COT Controller
35A Synchronous Step- Down COT Controller
35
700
3
22
0.6
18
200-800
95
Proprietary emulated current mode COT
Light Load PFM, Enable, Power Good, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Internal 5V VCC, Soft Start Adjustable
-40 to 125
QFN-16