Product Details
Key Features
Applications/Uses
VIN (V) (min) | 4.5 |
VIN (V) (max) | 36 |
VOUT1 (V) (min) | 1.25 |
VOUT1 (V) (max) | 18 |
IOUT1 (A) (max) | 10 |
Switch Type | External |
Output Adjust. Method | Resistor |
# DC-DC Outputs | 1 |
Switching Frequency (kHz) | 330 |
Package/Pins | UMAX/10 |
Budgetary Price (See Notes) | 3.52 |
Simplified Block Diagram
Technical Docs
Data Sheet | High-Voltage, Step-Down DC-DC Controller in µMAX | Feb 10, 2010 | |
App Note | Choosing the Right DC-DC Converter for Automotive Applications | ||
App Note | Turn-On Switching Loss of An Asynchronous Buck Converter |
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) | 36 |
VOUT1 (V) (min) | 1.25 |
VOUT1 (V) (max) | 18 |
IOUT1 (A) (max) | 10 |
Switch Type | External |
Output Adjust. Method | Resistor |
# DC-DC Outputs | 1 |
Switching Frequency (kHz) | 330 |
Package/Pins | UMAX/10 |
Budgetary Price (See Notes) | 3.52 |
Key Features
- High-Voltage Operation (up to 36VIN)
- Efficiency > 90%
- Output Power Capability Exceeds 50W
- 10-Pin µMax Package
- Low-Dropout Voltage
- 100% (max) Duty Cycle
- 90µA Quiescent Current
- 4µA Shutdown Current
- Up to 330kHz Switching Frequency
- Output Voltage
- 5V or 3.3V (MAX1744)
- Adjustable 1.25V to 18V (MAX1745)
- Current-Limited Control Scheme
Applications/Uses
- Automotive Electronics
- FireWire®/IEEE® 1394
- Industrial Control Systems
- Telecom Systems
- Wall-Cube-Powered Devices
Description
The MAX1744 contains an internal feedback network that provides a pin-selectable output voltage of either 3.3V or 5V. The MAX1745 uses an external feedback network to generate an adjustable output voltage between 1.25V and 18V.
The MAX1744/MAX1745 are available in a space-saving 10-pin µMAX® package.
Technical Docs
Data Sheet | High-Voltage, Step-Down DC-DC Controller in µMAX | Feb 10, 2010 | |
App Note | Choosing the Right DC-DC Converter for Automotive Applications | ||
App Note | Turn-On Switching Loss of An Asynchronous Buck Converter |
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 .