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IR35203 데이터시트 PDF




International Rectifier에서 제조한 전자 부품 IR35203은 전자 산업 및 응용 분야에서
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부품번호 IR35203 기능
기능 6+1 Dual Output Digital Multi-Phase Controller
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IR35203 데이터시트, 핀배열, 회로
6+1 Dual Output Digital Multi-Phase Controller
IR35203
FEATURES
Ultra Low Quiescent Power Dual output 6+1 phase
PWM Controller
Intel® VR12 Rev 1.7, VR12.5 Rev 1.5, IMVP8 Rev
1.2, and Memory VR modes
Switching frequency from 194KHz to 2MHz per
phase in 56 steps
IR Efficiency Shaping Features including Dynamic
Phase Control and Automatic Power State Switching
Programmable 1-phase or 2-phase operation for
Light Loads and Active Diode Emulation for very
Light Loads
IR Adaptive Transient Algorithm (ATA) on both loops
minimizes output bulk capacitors and system cost
Auto-Phase Detection with PID Coefficient auto-
scaling
Fault Protection: OVP, UVP, OCP, OTP, CAT_FLT
I2C/SMBus/PMBus system interface for reporting of
Temperature, Voltage, Current & Power telemetry for
both loops
Multiple Time Programming (MTP) with integrated
charge pump for easy non-volatile programming
Compatible with 3.3V tri-state drivers
+3.3V supply voltage; -40oC to 85oC ambient
operation; -40oC to 125oC junction
Pb-Free, RoHS, 6x6mm 48-pin, 0.4mm pitch QFN
APPLICATIONS
Intel® VR12, VR12.5 and IMVP8 (overclocking only)
based systems
Servers and High End Desktop CPU VRs
High Performance Graphics Processors, Memory VR
DESCRIPTION
The IR35203 is a dual-loop digital multi-phase
buck controller designed for CPU voltage
regulation, and is fully compliant with Intel® VR12
Rev 1.7, VR12.5 Rev 1.5, IMVP82 Rev 1.2
specifications.
The IR35203 includes IR’s Efficiency Shaping
Technology to deliver exceptional efficiency at
minimum cost across the entire load range. IR’s
Dynamic Phase Control adds/drops phases based
upon load current. The IR35203 can be configured
to enter 1 or 2-phase PS1 operation and active
diode emulation mode automatically or by
command.
IR’s unique Adaptive Transient Algorithm (ATA),
based on proprietary non-linear digital PWM
algorithms, minimizes output bulk capacitors.
IR35203 has 127 possible address values for both
the PMBus and I2C bus interfaces. The device
configuration can be easily defined using the IR
PowIRCenter GUI, and is stored in the on-chip
Non-Volatile Memory (NVM). This reduces external
components and minimizes the package size.
The IR35203 provides extensive OVP, UVP, OCP,
OTP & CAT_FLT fault protection, and includes
thermistor based temperature sensing or per
phase temperature reporting when using the IR
powIRstage. The controller is designed to work
with either Rdson current sense PowIRstages or
with DCR current sense.
The IR35203 also includes numerous VR design
simplifying and differentiating features, like register
diagnostics, which enable fast time-to-market.
ORDERING INFORMATION
Base Part
Number
IR35203
Package Type
48-pin, QFN 6 mm x 6 mm
Standard Pack
Form
Quantity
Tape and Reel
3000
Orderable
Part Number
IR35203MxxyyTRP1
IR35203
48-pin, QFN 6 mm x 6 mm
Tape and Reel
3000
IR35203MTRPBF
IR35203
48-pin, QFN 6 mm x 6 mm
Tray
4900
IR35203MTYPBF
Notes:
1.
2.
Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File (Codes assigned by IR Marketing).
IR35203 is not intended for application where ultra low power PS4 shutdown functionality is required.
1 www.irf.com | © 2016 International Rectifier
February 8, 2016 | V1.5




IR35203 pdf, 반도체, 판매, 대치품
6+1 Dual Output Digital Multi-Phase Controller
TYPICAL APPLICATION DIAGRAM
IR35203
Figure 3: VR using IR35203 Controller and IR3555 PowIR Stage in 6+1 Configuration
4 www.irf.com | © 2016 International Rectifier
February 8, 2016 | V1.5

4페이지










IR35203 전자부품, 판매, 대치품
6+1 Dual Output Digital Multi-Phase Controller
IR35203
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC)
GND-0.3V to 4.0V
RCSPx, RCSMx
0 to 2.2V
VSEN, VRTN, ISENx, IRTNx
GND-0.2V to VCC + 0.3V
CFILT, VINSEN, I_IN
GND-0.2V to 2.2V
TSENx
GND-0.3V to VCC
SV_CLK, SV_DIO, SV_ALERT#
GND-0.3V to VCC
VRDYx, ENx, ADDR_PROT, VRHOT_ICRIT#, PIN_ALERT#
GND-0.3V to VCC
PWMx,
GND-0.3V to 4.1V
SM_DIO, SM_CLK, SM_ALERT#
GND-0.3V to 5.5V
ESD Rating
Human Body Model
2000V
Machine Model
200V
Charge Device Model
1000V
Thermal Information
Thermal Resistance (θJA & θJC)1
29°C/W & 3°C/W
Maximum Operating Junction Temperature
-40°C to +125°C
Maximum Storage Temperature Range
-65°C to +150°C
Maximum Lead Temperature (Soldering 10s)
300°C
Note: 1. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Stresses beyond those listed under “Absolute Maximum Ratings” 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 are not implied.
7 www.irf.com | © 2016 International Rectifier
February 8, 2016 | V1.5

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