Product Details
Key Features
Applications/Uses
VIN (V) (min) | 4.5 |
VIN (V) (max) | 42 |
VOUT1 (V) (min) | 0.9 |
VOUT1 (V) (max) | 36 |
IOUT1 (A) (max) | 3.5 |
Switch Type | Internal |
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 |
Budgetary Price (See Notes) | 2.28 |
Simplified Block Diagram
Technical Docs
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 .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Parameters
VIN (V) (min) | 4.5 |
VIN (V) (max) | 42 |
VOUT1 (V) (min) | 0.9 |
VOUT1 (V) (max) | 36 |
IOUT1 (A) (max) | 3.5 |
Switch Type | Internal |
Output Adjust. Method | Resistor |
Synchronous Switching? | Yes |
Power Good Signal | Yes |
# DC-DC Outputs | 1 |
Switching Frequency (kHz) | 2200 |
Design Tools | generateDesignEESIMUrl('https://maxim.transim.com/pwm2/designreq/Index?partId=3120', '') |
Package/Pins | TQFN-CU/20 |
Budgetary Price (See Notes) | 2.28 |
Key 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
- Reduces 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
- Reduces Power Dissipation
- Peak Efficiency > 90%
- PFM/DCM Enables Enhanced Light-Load Efficiency
- 2.8µA Shutdown Current
- Operates Reliably in Adverse Industrial Environments
- Peak Current-Limit Protection
- 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
Applications/Uses
- Base Station Power Supply
- Distributed Supply Regulation
- General-Purpose Point-of-Load
- High-Voltage Single-Board Systems
- Industrial Power Supplies
Description
The MAX17544 uses peak-current-mode control. The device can be operated in pulse-width modulation (PWM), pulse-frequency modulation (PFM), or discontinuous conduction mode (DCM) control schemes.
The device is available in a 20-pin (5mm x 5mm) TQFN package. Simulation models are available.
Technical Docs
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 .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.