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IR3548 데이터시트 PDF




International Rectifier에서 제조한 전자 부품 IR3548은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 IR3548 기능
기능 60A Dual Integrated PowIRstage
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IR3548 데이터시트, 핀배열, 회로
60A Dual Integrated PowIRstage
IR3548
FEATURES
Integrated Dual, Doubler or Quad mode Driver
2 pairs of high and low side MOSFETs
Peak efficiency up to 94% at 1.2V
Variable gate drive, VDRV, from 4.25V to 12V
to optimize system efficiency
5V VCC and VDRV capability for sleep states
where only 5V is available
Input voltage (VIN) range of 4.25V to 17V
Output current capability of 30A/phase
Switching frequency up to 1.5MHz
Ultra-low Rg MOSFET technology minimizes
switching losses for optimized high frequency
performance
Synchronous MOSFET with monolithic
integrated Schottky diode reduces dead-time
and diode reverse recovery losses
Low quiescent current (1uA typical) for
VR12.6/VR12.6+ notebook applications.
Independent enable control for each phase
Support both industry standard 3.3V tri-state
PWM and IR Active Tri-Level (ATL) PWM logic
Small 6mm x 8 mm x 0.9mm PQFN package
Lead-free RoHS compliant package
APPLICATIONS
High frequency, low profile DC-DC converters
Voltage Regulators for CPUs, GPUs, and DDR
memory arrays of servers, notebook.
DESCRIPTION
The IR3548 is a dual integrated PowIRstage® is a
with 2 pairs of co-packed control and synchronous
MOSFETs and an optimized dual phase driver. The
package is optimized internally for PCB layout, heat
transfer and package inductance. The integrated
driver is capable of operating as a Dual driver (2 PWM
controlling 2 phases), a Doubler driver (1 PWM
controlling 2 phases) or a Quad driver (1 PWM
controlling 4 phases in two IR3548s).
Up to 1.5MHz switching frequency enables high
performance transient response, allowing
miniaturization of output inductors, as well as input
and output capacitors while maintaining industry
leading efficiency. Integrating two phases in one
package while still providing superior efficiency and
thermal performance, the IR3548 enables smallest
size and lower solution cost. The lower quiescent
current makes it suitable for next generation
VR12.6/VR12.6+ notebook applications.
The IR3548 uses IR’s latest generation of low
voltage MOSFET technology characterized by
ultra-low gate resistance (Rg) and charge (Qg) that
result in minimized switching losses. The synchronous
MOSFET optimizes conduction losses and features a
monolithic integrated Schottky to significantly reduce
dead-time and diode conduction and reverse recovery
losses.
The IR3548 is optimized specifically for CPU core
power delivery in 12Vin applications like servers,
certain notebooks, GPU and DR memory designs.
ORDERING INFORMATION
Base Part Number Package Type
IR3548MTRPBF PQFN 6 mm x 8 mm
Standard Pack
Form
Quantity
Tape and Reel
3000
Orderable Part Number
1 www.irf.com © 2014 International Rectifier
Submit Datasheet Feedback January 08, 2014




IR3548 pdf, 반도체, 판매, 대치품
IR3548
TYPICAL APPLICATION
RT
10kΩ
From / To
System
DTSEN
CRCS
100pF
IR3588
TSEN
VCC
CFLT
RCSP
LGND
RCSM
SVADDR_1
ADDR_PROT
VRDY
VINSEN
SV_ALERT#
PWM1
SV_CLK
PSI#1
SV_DIO
PWM2
VRHOT_ICRIT#
PSI#2
SM_DIO
ISEN1
SM_CLK
IRTN1
EN
ISEN2
VSEN VRTN IRTN2
3.3V
5V
CFLT
1uF
C3V3
1uF
CVCC
0.1uF
VDRV
CVDRV
1uF
+
CS1
-
+
CS2
-
VCC
VIN1
VIN2
IR3548
VDRV
BOOT1
VINDIV
PWM1
EN1
PWM2
EN2
MODE
FUNCTION
LGND
SW1
GATEL1
GATEL1
BOOT2
SW2
GATEL2
GATEL2
PGND
CIN1
0.1uF x2
CIN2
47uF x4
VIN
CBOOT1
0.22uF
L1
150nH
RCS1
2.49kΩ
CCS1
0.22uF
VCOUT
470uF x3
OUT
CBOOT2
0.22uF
+ CS1 -
L2
150nH
RCS2
2.49kΩ
CCS2
0.22uF
+ CS2 -
Figure 3: High Density Two-Phase Voltage Regulator, Standard Tri-state PWM, Dual Driver Mode
VCC
CVCC
0.1uF
VDRV
CVDRV
1uF
Two
single-
phase
PWM
controllers
+
CS1
-
+
CS2
-
VCC
VIN1
VIN2
IR3548
VDRV
BOOT1
VINDIV
PWM1
EN1
PWM2
EN2
MODE
FUNCTION
LGND
SW1
GATEL1
GATEL1
BOOT2
SW2
GATEL2
GATEL2
PGND
CIN1
0.1uF x2
CIN2
47uF x4
VIN
CBOOT1
0.22uF
L1
150nH
RCS1
2.49kΩ
CCS1
0.22uF
CBOOT2
0.22uF
+ CS1 -
L2
150nH
RCS2
2.49kΩ
CCS2
0.22uF
+ CS2 -
VOUT1
COUT1
470uF x3
VOUT2
COUT2
470uF x3
+-
VOUT1
SENSE
+-
VOUT2
SENSE
Figure 4: IR3548 Two Single-Phase Voltage Regulators, Standard Tri-state PWM, Dual Driver Mode
4 www.irf.com © 2014 International Rectifier
Submit Datasheet Feedback January 08, 2014

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IR3548 전자부품, 판매, 대치품
IR3548
PIN #
17
18-21
25-34
35-44
PIN NAME
MODE
VIN2
SW2
SW1
PIN DESCRIPTION
PWM mode pin used to select either IR ATL input or industry tri-state PWM input. This pin
in combination with the FUNCTION pin also determines Master or Slave behavior in Quad
mode. Pin should be tied to LGND or VCC, and the pin status is sensed at EN1 enable or
when VCC UVLO is cleared. Refer to Table 1 on page 3 for more details.
High current input supply pins for Phase 2. Recommended operating range is 4.25V to
17V. Connect at least a 10uF 1206 ceramic capacitor and a 0.1uF 0402 ceramic capacitor.
Place the capacitors as close as possible to VIN2 pins and PGND pins (23 and 24). The
0.1uF 0402 capacitor should be on the same side of the PCB as the IR3548.
High Current Switch Node for Phase 2 (Q3 and Q4).
High Current Switch Node for Phase 1 (Q1 and Q2).
7 www.irf.com © 2014 International Rectifier
Submit Datasheet Feedback January 08, 2014

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관련 데이터시트

부품번호상세설명 및 기능제조사
IR3548

60A Dual Integrated PowIRstage

International Rectifier
International Rectifier

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