DC DC Switching Controllers
PMIC (Power Management Integrated Circuit) DC to DC switching controllers are voltage regulation ICs used in high efficiency circuits configured to generate output supply voltages above (boost or step-up) or below (buck or step-down) the input supply. Other topologies may include; buck-boost, flyback, forward, cuk, SEPIC, full bridge, half bridge, and push-pull. They differ from linear regulators that require minimum voltages and "burn off" excess voltage.
Sourcing Microsemi DC DC Switching Controllers: in-stock lines for quick ship, BOM matching for multi-line builds, and original-channel screening — not keyword stuffing.
Product List
Total Components: 74
| Product | Pricing | Datasheet | Output Phases | Duty Cycle (Max) | Clock Sync | Serial Interfaces | Control Features | Frequency - Switching | Number of Outputs | Output Configuration | Synchronous Rectifier | Topology | Voltage - Supply (Vcc/Vdd) | Function | Mounting Type | Operating Temperature | Output Type | Package / Case | Supplier Device Package | Stock & Quantity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 NX2147CMTR Microsemi | 1 $2.4500 | 1 | - | No | - | Enable, On Time Control | - | 1 | Positive | Yes | Buck | 4.5V ~ 22V | Step-Down | Surface Mount | -10°C ~ 100°C (TA) | Transistor Driver | 16-VQFN Exposed Pad | 16-MLPQ (4x4) | 3,009 | |
NX2138CMTR Microsemi | 1 | - | No | - | Enable, On Time Control, Power Good | - | 1 | Positive | Yes | Buck | 4.5V ~ 22V | Step-Down | Surface Mount | -10°C ~ 100°C (TA) | Transistor Driver | 16-VQFN Exposed Pad | 16-MLPQ (4x4) | 2,711 | ||
 LX7302CLQ-TR Microsemi | 1 | - | No | - | Current Limit, Enable, On Time Control, Power Good | 200kHz ~ 1MHz | 1 | Positive | Yes | Buck | 5V ~ 26V | Step-Down | Surface Mount | 0°C ~ 85°C (TA) | Transistor Driver | 20-WFQFN Exposed Pad | 20-QFN (3x3) | 1,028 | ||
LX7302CLQ Microsemi | 1 | - | No | - | Current Limit, Enable, On Time Control, Power Good | 200kHz ~ 1MHz | 1 | Positive | Yes | Buck | 5V ~ 26V | Step-Down | Surface Mount | 0°C ~ 85°C (TA) | Transistor Driver | 20-WFQFN Exposed Pad | 20-QFN (3x3) | 7,656 | ||
 LX7309ILQ Microsemi | 1 | 50% | Yes | - | Enable, Frequency Control, Soft Start | 100kHz ~ 500kHz | 1 | Positive, Isolation Capable | Yes | Buck, Boost, Buck-Boost, Flyback, Forward Converter | 9.6V ~ 20V | Step-Up, Step-Down, Step-Up/Step-Down | Surface Mount | -40°C ~ 85°C (TA) | Transistor Driver | 24-TFQFN Exposed Pad | 24-QFN (4x4) | 2,992 | ||
 LX1735CLD Microsemi | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2,482 | ||
 LX1752CLQ Microsemi | 1 | 92% | Yes | - | Current Limit, Enable, Soft Start | 200kHz ~ 1.5MHz | 2 | Positive | Yes | Buck | 4.2V ~ 22V | Step-Down | Surface Mount | 0°C ~ 85°C (TA) | Transistor Driver | 28-VFQFN Exposed Pad | - | 6,804 | ||
 NX2124ACSTR Microsemi | 1 $23.4750 100 $18.7800 500 $15.6500 | 1 | 84% | No | - | - | 300kHz | 1 | Positive | Yes | Buck | 2V ~ 25V | Step-Down | Surface Mount | -40°C ~ 125°C (TJ) | Transistor Driver | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | 2,500 | |
NX2155HCUPTR Microsemi | 1 | 71% | No | - | Frequency Control | 2.25MHz | 1 | Positive | Yes | Buck | 8V ~ 22V | Step-Down | Surface Mount | -40°C ~ 85°C (TA) | Transistor Driver | 10-VFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | 10-MSOP-EP | 4,600 | ||
 NX2423CMTR Microsemi | 1 | 97% | No | - | Enable, Frequency Control, Power Good | 400kHz | 2 | Positive | Yes | Buck | 4.5V ~ 5.5V | Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 24-VFQFN Exposed Pad | 24-MLPQ (4x4) | 8,603 | ||
 SG2524BN-11103 Microsemi | 1 | 49% | No | - | Enable | 50kHz ~ 600kHz | 2 | Positive | Yes | Flyback | 7V ~ 40V | Step-Up/Step-Down | Through Hole | -25°C ~ 85°C (TA) | Transistor Driver | 16-DIP (0.300", 7.62mm) | 16-PDIP | 4,905 | ||
 SG3524BJ Microsemi | 1 $1.5016 | 1 | 49% | No | - | Enable | 50kHz ~ 600kHz | 2 | Positive | Yes | Flyback | 7V ~ 40V | Step-Up/Step-Down | Through Hole | 0°C ~ 70°C (TA) | Transistor Driver | 16-CDIP (0.300", 7.62mm) | 16-CERDIP | 100,000 | |
 LX1553CD Microsemi | 1 | 96% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC | 3,125 | ||
LX1553CDM Microsemi | 1 | 96% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | 9,567 | ||
 LX1553CM Microsemi | 1 | 96% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Through Hole | 0°C ~ 70°C (TA) | Transistor Driver | 8-DIP (0.300", 7.62mm) | 8-DIP | 1,462 | ||
 LX1553CPW Microsemi | 1 | 96% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP | 4,611 | ||
LX1555CDM Microsemi | 1 | 48% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | 8,668 | ||
LX1555CM Microsemi | 1 | 48% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Through Hole | 0°C ~ 70°C (TA) | Transistor Driver | 8-DIP (0.300", 7.62mm) | 8-DIP | 1,508 | ||
LX1555CPW Microsemi | 1 | 48% | No | - | Frequency Control | - | 1 | Positive | Yes | Buck, Boost | 7.6V ~ 30V | Step-Up, Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP | 7,538 | ||
 LX1672-03CPW Microsemi | 2 | 85% | No | - | Current Limit, Soft Start | 300kHz | 3 | Positive | Yes | Buck | 4.5V ~ 5.5V | Step-Down | Surface Mount | 0°C ~ 70°C (TA) | Transistor Driver | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP | 5,166 |