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Part Number: ML3406
Description: The ML3406 is a high efficiency monolithic synchronous step-down regulator using a constant frequency, current mode arc...
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ML3406
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DataSheet
General Description
ML3406 General Description
The ML3406 is a high efficiency monolithic synchronous step-down regulator using a constant frequency, current mode architecture. The device is available in an adjustable version and fixed output voltages of 1.5V and 1.8V Supply current during operation is only 20A and drops to £1A in shutdown. The 2.5V to 5.5V input voltage range makes the ML3406 ideally suited for single LI-Ion battery-powered applications. 100% duty cycle provides low dropout
operation extending battery life in portable systems. Automatic Burst Mode operation increases efficiency at light loads, further extending battery life. Switching frequency is internally set at 1.5MHZ, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.6V feed-back reference voltage. The ML3406 is available in a low profile SOT-23-5L package.
ML3406 Maximum Ratings
| Parameter | Symbol | Maximum Ratings | Unit |
| Input Supply Voltage | Vin | -0.3V to 6V | V |
| Run, VFB Voltages | VFB, VRUN | -0.3V to VIN | V |
| SW Voltage | VSW | -0.3V to (VIN +0.3V) | V |
| P-Channel Switch Source Current (DC) | ISW-P | 800mA | mA |
| N-Channel Switch Sink Current (DC) | ISW-N | 800mA | mA |
| Peak SW Sink and Source Current | ISW-N | 1.3A | A |
| Operating Temperature Range | Ta | 0°C to 70°C | °C |
| Junction Temperature (Note 3) | Tj | 125°C | °C |
| Storage Temperature Range | Tstg | -65°C to 150°C | °C |
| Lead Temperature (Soldering, 10 sec) | TL | 300°C | °C |
ML3406 Features
2.5V to 5.5V Input Voltage Range
600mA Output Current
1.5MHz Constant Frequency Operation
Low Quiescent Current: Only 20A During Operation
High Efficiency: Up to 96%
Low Dropout Operation:100% Duty Cycle
No Schottky Diode Required
0.6 V Reference Allows Low Output Voltages
Shutdown Mode Draws £ 1A Supply Current
Current Mode Operation for Excellent Line and Load Transient Response
Over temperature Protected
Mini Package SOT-23-5L
600mA Output Current
1.5MHz Constant Frequency Operation
Low Quiescent Current: Only 20A During Operation
High Efficiency: Up to 96%
Low Dropout Operation:100% Duty Cycle
No Schottky Diode Required
0.6 V Reference Allows Low Output Voltages
Shutdown Mode Draws £ 1A Supply Current
Current Mode Operation for Excellent Line and Load Transient Response
Over temperature Protected
Mini Package SOT-23-5L
ML3406 Typical Application
Cellular Telephones
Personal Information Appliances
Wireless and DSL Modems
Digital Still Cameras
MP3 Players
Portable Instruments
Personal Information Appliances
Wireless and DSL Modems
Digital Still Cameras
MP3 Players
Portable Instruments
ML3406 Connection Diagram
ML3406NFBMRG
PDF/DataSheet Download
- Datasheet: ML3406NFBMRG
- File Size: 747537 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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