IR3448MTRPBF - Infineon

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

IR3448MTRPBF
Manufacturer

Infineon
ChipWorker Part#

CW29986800
Category

Voltage Regulator
Package

QFN-33
Description

Conv DC-DC 5V to 21V Step Down Single-Out 0.6V to 18.06V 16A 26Pin Power QFN EP T/R
Documentation

Datasheet

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IR3448MTRPBF Specifications

Attribute	Attribute Value

Part Number	IR3448MTRPBF
Manufacturer	Infineon
ChipWorker Part#	CW29986800
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	33 Pin
Case/Package	QFN-33
Number of Outputs	1 Output
Output Voltage	0.6V ~ 18.06V
Output Current	16 A
Number of Positions	33 Position
Switching Frequency	1.5 MHz
Input Voltage (Max)	21 V
Input Voltage (Min)	5 V
Output Voltage (Max)	18.06 V
Output Voltage (Min)	600 mV
Output Current (Max)	16 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	1.5V ~ 21V
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Size-Height	0.95 mm
Operating Temperature	-40℃ ~ 125℃ (TJ)
Product Lifecycle Status	Unknown
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/12/17

Product Description

The IR3448MTRPBF is a SupIRBuck® easy-to-use fully-integrated and highly efficient DC/DC synchronous Buck Regulator for use with set-top box applications. The onboard PWM controller and MOSFETs make IR3448 a space-efficient solution, providing accurate power delivery for low output voltage and high current applications. IR3448 is a versatile regulator which offers programmability of switching frequency and current limit while operating in wide input and output voltage range. The switching frequency is programmable from 300kHz to 1.5MHz for an optimum solution. It also features important protection functions, such as overvoltage protection (OVP), pre-bias startup, hiccup current limit and thermal shutdown to give required system level security in the event of fault conditions. Dedicated output voltage sensing for power good indication and overvoltage protection which remains active even when enable is low.
Enhanced line/load regulation with feed-forward
Internal digital soft-start
Enable input with voltage monitoring capability
Remote sense amplifier with true differential voltage sensing
Thermally compensated current limit and hiccup mode overcurrent protection
Smart LDO to enhance efficiency
External synchronization with smooth clocking
Enhanced pre-bias start up
Body braking to improve transient
Integrated MOSFET drivers and bootstrap diode
Thermal shut down
Programmable power good output
0.5% Accurate reference voltage

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