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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.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() NCP81118MNTWG $0.52 | onsemi | IC REG BUCK CTLR 36QFN | Tape & Reel (TR),Bulk | - | - | - | - |
![]() NCP81118MNTXG $0.52 | onsemi | IC REG BUCK CTLR 36QFN | Tape & Reel (TR),Bulk | - | - | - | - |
![]() NCP81119AMNTXG $1.04 | onsemi | IC REG BUCK CTLR 32QFN | Bulk | - | - | - | - |
| onsemi | IC REG BUCK CTLR DUAL 52QFN | Tape & Reel (TR) | 52-QFN (6x6) | Surface Mount | - | - | |
![]() NCP81128MNTXG $1.23 | onsemi | IC REG BUCK CTLR DUAL 52QFN | Tape & Reel (TR),Bulk | 52-QFN | Surface Mount | - | - |
| onsemi | IC REG CTRLR BUCK 16QFN | Tape & Reel (TR) | 16-QFN (3x3) | Surface Mount | - | -40°C ~ 85°C (TA) | |
![]() NCP81172LMNTXG $0.55 | onsemi | 2/1-PHASE SYNCHRONOUS BUC | Bulk | - | - | * | - |
![]() NCP81172MNTXG $1.73 | onsemi | IC REG CTRLR BUCK PSI 24QFN | Tape & Reel (TR),Cut Tape (CT) | 24-QFN (4x4) | Surface Mount | - | -40°C ~ 100°C (TA) |

Learn the relay definition, coil and contact operation, NO and NC forms, load ratings and suppression choices. Compare mechanical, reed and solid-state types.
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