LOWPOWER LP54334SPF
| Manufacturer | LOWPOWERAsian Brands |
| MPN | LP54334SPF |
| LCSC Part # | C47345734 |
| Packaging | ESOP-8 |
| Customer # | |
| Key Attributes | 32V/3A Synchronous BUCK Switching Converter |
| Datasheet | LOWPOWER LP54334SPF |
| Alternative Parts | 1 |
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | LOWPOWER | |
| Packaging | ESOP-8 | |
| Operating Temperature | -40℃~+85℃ | |
| Function | Step-down type | |
| Frequency - Switching | 500kHz | |
| Number of Outputs | 1 | |
| Features | Hiccup current limiting;Overcurrent Protection;Light load efficient mode | |
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 4.5V~32V | |
| Switch tube (built-in/external) | Built-in | |
| Output Current | 3A | |
| Output Voltage | 800mV~13.2V | |
| Quiescent Current | 300uA |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | LOWPOWER | |
| Packaging | ESOP-8 | |
| Operating Temperature | -40℃~+85℃ | |
| Function | Step-down type | |
| Frequency - Switching | 500kHz | |
| Number of Outputs | 1 | |
| Features | Hiccup current limiting;Overcurrent Protection;Light load efficient mode |
| Type | Description | |
|---|---|---|
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 4.5V~32V | |
| Switch tube (built-in/external) | Built-in | |
| Output Current | 3A | |
| Output Voltage | 800mV~13.2V | |
| Quiescent Current | 300uA |
Introduction
LP54334 is a synchronous buck converter supporting up to 3A output current. It employs an adaptive constant on-time control scheme to achieve fast load transient response. The external component count is minimized, requiring only one inductor, two resistors, and two capacitors. The device supports aluminum polymer capacitors and ceramic capacitors without additional compensation components. Integrated PFM operation helps maintain system efficiency at light loads. It also integrates multiple protection features, including overcurrent protection, overtemperature protection, UVLO, output overvoltage protection, and short-circuit protection. The device is available in an ESOP-8 package.
Features
- Wide input voltage range: 4.5V ~ 32V
- Output voltage range: Vref ~ 13.2V
- High efficiency operation
- Integrated 85mΩ low-side MOSFET and 130mΩ high-side MOSFET
- 88% efficiency at 12V to 5V, 3A load
- Automatic PFM mode for high efficiency at light load
- ±1% Vref accuracy
- Typical 500kHz switching frequency
- Constant on-time control with fast load transient response
- Hiccup protection
- Integrated UVLO, OVP, OCP, SCP, and OTP
- ESOP-8 package
- RoHS compliant and 100% lead-free
Applications
- Industrial PC
- Network/Digital Video Recorder
- TV and Set-Top Box
- 12V and 24V Industrial Bus Applications
| Qty | Unit Price | Total Amount |
|---|---|---|
| 1+ | $ 0.5418 | $ 0.54 |
| 10+ | $ 0.4364 | $ 4.36 |
| 30+ | $ 0.3845 | $ 11.54 |
| 100+ | $ 0.331 | $ 33.10 |
| 500+ | $ 0.3001 | $ 150.05 |
| 1,000+ | $ 0.2839 | $ 283.90 |
Standard Packaging4000/Full Reel | ||
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | LOWPOWER | |
| Packaging | ESOP-8 | |
| Operating Temperature | -40℃~+85℃ | |
| Function | Step-down type | |
| Frequency - Switching | 500kHz | |
| Number of Outputs | 1 | |
| Features | Hiccup current limiting;Overcurrent Protection;Light load efficient mode | |
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 4.5V~32V | |
| Switch tube (built-in/external) | Built-in | |
| Output Current | 3A | |
| Output Voltage | 800mV~13.2V | |
| Quiescent Current | 300uA |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | LOWPOWER | |
| Packaging | ESOP-8 | |
| Operating Temperature | -40℃~+85℃ | |
| Function | Step-down type | |
| Frequency - Switching | 500kHz | |
| Number of Outputs | 1 | |
| Features | Hiccup current limiting;Overcurrent Protection;Light load efficient mode |
| Type | Description | |
|---|---|---|
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 4.5V~32V | |
| Switch tube (built-in/external) | Built-in | |
| Output Current | 3A | |
| Output Voltage | 800mV~13.2V | |
| Quiescent Current | 300uA |
Introduction
LP54334 is a synchronous buck converter supporting up to 3A output current. It employs an adaptive constant on-time control scheme to achieve fast load transient response. The external component count is minimized, requiring only one inductor, two resistors, and two capacitors. The device supports aluminum polymer capacitors and ceramic capacitors without additional compensation components. Integrated PFM operation helps maintain system efficiency at light loads. It also integrates multiple protection features, including overcurrent protection, overtemperature protection, UVLO, output overvoltage protection, and short-circuit protection. The device is available in an ESOP-8 package.
Features
- Wide input voltage range: 4.5V ~ 32V
- Output voltage range: Vref ~ 13.2V
- High efficiency operation
- Integrated 85mΩ low-side MOSFET and 130mΩ high-side MOSFET
- 88% efficiency at 12V to 5V, 3A load
- Automatic PFM mode for high efficiency at light load
- ±1% Vref accuracy
- Typical 500kHz switching frequency
- Constant on-time control with fast load transient response
- Hiccup protection
- Integrated UVLO, OVP, OCP, SCP, and OTP
- ESOP-8 package
- RoHS compliant and 100% lead-free
Applications
- Industrial PC
- Network/Digital Video Recorder
- TV and Set-Top Box
- 12V and 24V Industrial Bus Applications
C47345734 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| ECCN | - |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Type | Details |
|---|---|
| ECCN | - |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Alternative Parts
| MPN | Manufacturer | Alternative Type | Packaging | Availability | Unit Price | ||
|---|---|---|---|---|---|---|---|
| LP54331SPF | LOWPOWER | Similar | ESOP-8 | 331 | $ 0.5592 |



