IR3628MPBF

Series: -
Number of Outputs: 1
Mounting Type: Surface Mount
Packaging: TubeAlternate Packaging
Operating Temperature: -40°C ~ 125°C
Manufacturer: International Rectifier
Applications: Controller, DDR
Voltage - Input: 4.5 V ~ 14 V
Package / Case: 12-VFDFN Exposed Pad
Supplier Device Package: 12-MLPD
Voltage - Output: 0.6 V ~ 9.94 V


Features:

• Internal 600kHz Oscillator
• Operates with Single 5V or 12V Supply
• Programmable Over Current Protection
• Hiccup Current Limit Using MOSFET RDS(on) sensing
• Tracking for memory application
• Precision Reference Voltage (0.6V)
• Programmable Soft-Start
• Pre-Bias Start-up
• Thermal Protection
• 12-Lead 3x4mm MLPD Package


Application

• DDR Application
• Storage Systems
• Embedded Telecom Systems
• Distributed Point of Load Power Architectures
• Computing Peripheral Voltage Regulator
• Graphics Card
• General DC/DC Converters


Specifications

• Vcc Supply Voltage ............................................................... -0.5V to 16V
• Vc Supply Voltage  .....................  -0.5V to 30V
• Vref, Vp, Fb, Comp, SS ................... -0.3V to 3.5V
• OCset ............................... 10mA
• AGnd to PGnd ...................... -0.3V to +0.3V
• Storage Temperature Range ....................................... -65°C To 150°C
• Operating Junction Temperature Range ...................... -40°C To 150°C
• ESD Classification ................. JEDEC, JESD22-A114
• Moisture Sensitivity Level ............ JEDEC Level 2 @ 260^oC
Caution: Stresses beyond those listed under "Absolute Maximum Rating" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to "Absolute Maximum Rating" conditions for extended periods may affect device reliability.

Description

The IR3628MPbF is a PWM controller designed for high performance synchronous Buck DC/DC applications. The IR3628MPbF drives a pair of external N-MOSFETs using a fixed 600kHz switching frequency allowing the use of small external omponents. The output voltage can be precisely regulated using the internal 0.6V reference voltage for low voltage applications. IR3628 provides an efficient solution for high-speed bandwidth data bus which requires a particular tracking scheme for best performance using the uncommitted error amplifier.

Protection such as Pre-Bias startup, hiccup current limit and thermal shutdown are providedto give required system level security in the event of fault conditions.

Parameters:

Technical/Catalog Information	IR3628MPBF
Vendor	International Rectifier
Category	Integrated Circuits (ICs)
PWM Type	Voltage Mode
Number of Outputs	1
Package / Case	12-MLPD
Packaging	Tube
Duty Cycle	71%
Voltage - Supply	4.5 V ~ 30 V
Frequency-Max	660kHz
Buck	Yes
Boost	No
Flyback	No
Inverting	No
Doubler	No
Divider	No
Cuk	No
Isolated	No
Drawing Number	*
Operating Temperature	-40°C ~ 105°C
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	IR3628MPBF IR3628MPBF