MAX17546ATP+ by Analog Devices
4.5V–42V, 5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
| Status: | Active |
|---|---|
| Series: | MAX17546 |
| RoHS: | Unknown |
Features
| Reduces External Components and Total Cost No Schottky-Synchronous Operation Internal Compensation for Any Output Voltage Built-In Soft-Start All-Ceramic Capacitors, Compact Layout |
| No Schottky-Synchronous Operation |
| Internal Compensation for Any Output Voltage |
| Built-In Soft-Start |
| All-Ceramic Capacitors, Compact Layout |
| Reduce Number of DC-DC Regulators to Stock Wide 4.5V to 42V Input Adjustable 0.9V to 0.9 x VIN Output 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization |
| Wide 4.5V to 42V Input |
| Adjustable 0.9V to 0.9 x VIN Output |
| 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization |
| Reduces Power Dissipation Peak Efficiency > 95% PFM/DCM Modes Enable Enhanced Light-Load Efficiency Auxiliary Bootstrap LDO for Improved Efficiency 3.5µA Shutdown Current |
| Peak Efficiency > 95% |
| PFM/DCM Modes Enable Enhanced Light-Load Efficiency |
| Auxiliary Bootstrap LDO for Improved Efficiency |
| 3.5µA Shutdown Current |
| Operates Reliably in Adverse Industrial Environments Hiccup or Latchoff Mode Overload Protection DL to LX Short Detection Feature Built-In Output Voltage Monitoring with Active-Low RESET Programmable EN/UVLO Threshold Monotonic Startup into Prebiased Load Overtemperature Protection High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range |
| Hiccup or Latchoff Mode Overload Protection |
| DL to LX Short Detection Feature |
| Built-In Output Voltage Monitoring with Active-Low RESET |
| Programmable EN/UVLO Threshold |
| Monotonic Startup into Prebiased Load |
| Overtemperature Protection |
| High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range |
Specifications
| VIN (V) (min) | 4.5 |
|---|---|
| VIN (V) (max) | 42 |
| VOUT1 (V) (min) | 0.9 |
| VOUT1 (V) (max) | 37 |
| IOUT1 (A) (max) | 5 |
| Switch Type | ExternalInternal |
| Output Adjust. Method | Resistor |
| Synchronous Switching? | Yes |
| Power Good Signal | Yes |
| # DC-DC Outputs | 1 |
| Switching Frequency (kHz) | 2200 |
| Design Tools | EE-Sim |
| Package/Pins | TQFN-CU/20 |
| BudgetaryPrice (See Notes) | 3.55 |
MAX17546ATP+ Semiconductors - ICs by Analog Devices
DC/DC CONV SYNC BUCK 2.2MHZ TQFN-20
| Status: | Unknown |
|---|---|
| Series: | Himalaya Series |
| RoHS: | Unknown |
Specifications
| Topology | Synchronous Buck (Step Down) |
|---|---|
| Input Voltage Min | 4.5V |
| Input Voltage Max | 42V |
| No. of Outputs | 1Outputs |
| DC / DC Converter IC Case | TQFN |
| No. of Pins | 20Pins |
| Output Current | 5A |
| Output Voltage Min | 900mV |
| Output Voltage Max | 37V |
| Switching Frequency | 2.2MHz |
| Operating Temperature Max | 125°C |
| Product Range | Himalaya Series |
| Automotive Qualification Standard | - |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
| Operating Temperature Min | -40°C |
Alternative Descriptions
| 42V, 5A Synchronous Buck Regul | Analog Devices |
| DC/DC CONV, SYNC BUCK, 2.2MHZ, TQFN-20 | Farnell |
Frequently Asked Questions
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Is the MAX17546ATP+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
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Authorised distributors including Analog Devices, Chip One Stop and Farnell have stock available or on a lead time for MAX17546ATP+ .
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