Datasheet > IR38265M

IR38265M

更新时间： 2024-09-17 11:12:07

品牌	Logo	应用领域
英飞凌 - INFINEON		DC-DC转换器稳压器
页数	文件大小	规格书
55页	2976K
描述
OptiMOS™ IPOL DC-DC转换器，单输入电压，30A降压稳压器，配备PVID

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IR38265M 数据手册

DCDC Converter

OptiMOS™ IPOL

IR38265

Single-input Voltage, 30A Buck

Regulators with PVID

FEATURES

DESCRIPTION



Internal LDO allows single 16V operation

Output Voltage Range: 0.5V to 0.875*PVin

0.5% accurate Reference Voltage

Enhanced line/load regulation with Feedforward

Frequency programmable by I2C up to 1.5 MHz

Enable input with Voltage Monitoring Capability

This family of OPTIMOS IPOL devices offers easy-to-use,

fully integrated and highly efficient DC/DC regulators with

PVID and I2C interface. The on-chip PWM controller and co-

packaged low duty cycle optimized MOSFETs make these

devices a space-efficient solution, providing accurate power

delivery for low output voltage and high current

Remote Sense Amplifier with True Differential

Voltage Sensing

applications that require a parallel VID interface.



3 pins (PVID) to program output voltage

These versatile devices offer programmability of switching

frequency, output voltage, and fault/warning thresholds

and fault responses while operating over a wide input

range. Thus, they offer flexibility as well as system level

security in event of fault conditions.

Fast mode I2C interface for programming,

sequencing and margining output voltage, and for

monitoring input voltage, output voltage, output

current and temperature.

I2C configurable fault thresholds for input UVLO,

output OVP, OCP and thermal shutdown.

Thermally compensated pulse-by-pulse current

limit and Hiccup Mode Over Current Protection

Dedicated output voltage sensing for power good

indication and overvoltage protection which

remains active even when Enable is low.



The switching frequency is programmable from 150 kHz to

1.5 MHz for an optimum solution.

The on-chip sensors and ADC along with the PVID and I2C

interfaces make it easy to monitor and report input voltage,

output voltage, output current and temperature.



Enhanced Pre-Bias Start up

Integrated MOSFET drivers and Bootstrap diode

Operating junction temp: -40^oC<Tj<125^oC

Thermal Shut Down

Post Package trimmed rising edge dead-time

I2C Programmable Power Good Output

Small Size 5mmx7mm PQFN

Pb-Free (RoHS Compliant)

External resistor allows setting up to 16 PMBus

addresses

APPLICATIONS



Intel® VR13 and VR12.5 based systems



Servers and High End Desktop CPU VRs for non-

core applications



Telecom and storage applications

BASIC APPLICATION

For applications in which Pvin>14V, a 1 ohm resistor is required in series with the boot capacitor.

5.5V <Vin<16V

Optional placeholder for boot resistor.

Default should be 0 ohm

For PVin >14V, a 1 ohm resistor is

required

P1V8

PVin

Enable Vin

Boot

Vcc/

LDO_out

Vsns

RS+

PGood

RS-

VIDSEL0

VIDSEL1

RSo

3 bit

PVID

VIDSEL2

ADDR

Comp

LGnd

PGnd

Placeholder

for capacitor

Figure 1: Typical application circuit

Rev 3.5

Jun 7, 2019

12 3 4 5 6 7...55

中文翻译

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