MAX17542G
42V, 1A, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter
42V Synchronous Buck Converter with Internal FETs Enables High Efficiency
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The MAX17542G uses peak-current-mode control with pulse-width modulation (PWM) and operates with fixed 600kHz switching frequency at any load. The device is available in a 10-pin (3mm x 2mm) TDFN package. Simulation models are available.
Key Features
- Reduces External Components and Total Cost
- No Schottky-Synchronous Operation
- All-Ceramic Capacitors, Ultra-Compact Layout
- Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 42V Input
- Adjustable 0.9V to 92%VIN Output
- Delivers Up to 1A
- Reduces Power Dissipation
- Peak Efficiency > 90%
- Shutdown Current = 0.9μA (typ)
- Operates Reliably in Adverse Industrial Environments
- Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
- Built-In Output-Voltage Monitoring (Active-Low RESET Pin)
- Programmable EN/UVLO Threshold
- Adjustable Soft-Start and Prebiased Power-Up
- High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range
Applications/Uses
- Base Station, VOIP, Telecom
- Battery-Powered Equipment
- General-Purpose Point of Load
- Home Theatre
- HVAC and Building Control
- Industrial Process Control
| VIN (V) (min) | 4.5 |
| VIN (V) (max) | 42 |
| VOUT1 (V) (min) | 0.9 |
| VOUT1 (V) (max) | 37 |
| IOUT1 (A) (max) | 1 |
| Switch Type | Internal |
| Output Adjust. Method | Resistor |
| Synchronous Switching? | Yes |
| # DC-DC Outputs | 1 |
| Switching Frequency (kHz) | 600 |
| Design Tools | EE-Sim |
| Package/Pins | TDFN/10 |
| Budgetary Price (See Notes) | $1.63 @1k |
Technical Docs
| Data Sheet | 42V, 1A, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter | Feb 20, 2018 |
Click any title below to view the detail page where available.
Description
The MAX17542G 3.3V EV kit provides a proven design to evaluate the MAX17542G 3.3V high-efficiency, high-voltage, synchronous step-down DC-DC converter in a TDFN package. The EV kit generates 3.3V at load currents up to 1A from a 5V to 42V input supply. The EV kit features a 600kHz fixed switching frequency for optimum efficiency and component size. The EV kit features a forced-PWM control scheme that provides constant switching- frequency operation at all load and line conditions.
View DetailsFeatures
- Operates from a 5V to 42V Input Supply
- 3.3V Output Voltage
- 1A Output Current
- 600kHz Switching Frequency
- Enable/UVLO Input
- Resistor-Programmable UVLO Threshold
- Open-Drain Active-Low RESET Output
- Overcurrent and Overtemperature Protection
- Proven PCB Layout
- Fully Assembled and Tested
Description
The MAX17542G 5V Output EV kit provides a proven design to evaluate the MAX17542G 5V high-efficiency, high-voltage, synchronous step-down DC-DC converter in a TDFN package. The EV kit generates 5V at load currents up to 1A from a 6V to 42V input supply. The EV kit features a 600kHz fixed switching frequency for optimum efficiency and component size. The EV kit features a forced-PWM control scheme that provides constant switching-frequency operation at all load and line conditions.
View DetailsFeatures
- Operates from a 6V to 42V Input Supply
- 5V Output Voltage
- 1A Output Current
- 600kHz Switching Frequency
- Enable/UVLO Input
- Resistor-Programmable UVLO Threshold
- Open-Drain Active-Low RESET Output
- Overcurrent and Overtemperature Protection
- Proven PCB Layout
- Fully Assembled and Tested
 | Tools & Models EE-Sim: Design & Simulate MAX17542G | Create Design |
| SIMULATION MODELS MAX17542G SIMPLIS Schematic | Download |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal
Parameters
| VIN (V) (min) | 4.5 |
| VIN (V) (max) | 42 |
| VOUT1 (V) (min) | 0.9 |
| VOUT1 (V) (max) | 37 |
| IOUT1 (A) (max) | 1 |
| Switch Type | Internal |
| Output Adjust. Method | Resistor |
| Synchronous Switching? | Yes |
| # DC-DC Outputs | 1 |
| Switching Frequency (kHz) | 600 |
| Design Tools | EE-Sim |
| Package/Pins | TDFN/10 |
| Budgetary Price (See Notes) | $1.63 @1k |
Key Features
- Reduces External Components and Total Cost
- No Schottky-Synchronous Operation
- All-Ceramic Capacitors, Ultra-Compact Layout
- Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 42V Input
- Adjustable 0.9V to 92%VIN Output
- Delivers Up to 1A
- Reduces Power Dissipation
- Peak Efficiency > 90%
- Shutdown Current = 0.9μA (typ)
- Operates Reliably in Adverse Industrial Environments
- Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
- Built-In Output-Voltage Monitoring (Active-Low RESET Pin)
- Programmable EN/UVLO Threshold
- Adjustable Soft-Start and Prebiased Power-Up
- High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range
Applications/Uses
- Base Station, VOIP, Telecom
- Battery-Powered Equipment
- General-Purpose Point of Load
- Home Theatre
- HVAC and Building Control
- Industrial Process Control
Description
The MAX17542G uses peak-current-mode control with pulse-width modulation (PWM) and operates with fixed 600kHz switching frequency at any load. The device is available in a 10-pin (3mm x 2mm) TDFN package. Simulation models are available.
Technical Docs
| Data Sheet | 42V, 1A, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter | Feb 20, 2018 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal
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