06032R123K8B20
更新时间：2024-12-03 22:14:47
品牌：INFINEON
描述：IRDCiP1202-A, 300kHz, Dual 15A, 5.5VIN to 13.2VIN Dual Output Synchronous Buck Converter using iP1202
概述
数据手册06032R123K8B20 概述
IRDCiP1202-A, 300kHz, Dual 15A, 5.5VIN to 13.2VIN Dual Output Synchronous Buck Converter using iP1202
06032R123K8B20 数据手册
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PDF下载IRDCiP1202-A
233 Kansas Street, El Segundo, CA 90245 USA
R
EFERENCE
D
ESIGN
International Rectifier
•
IRDCiP1202-A, 300kHz, Dual 15A, 5.5VIN to 13.2VIN Dual
Output Synchronous Buck Converter using iP1202
Overview
The iP1202 is fully optimized solution for medium current synchro-
nous buck applications requiring up to 15A or 30A. In this document,
Fig. 1 and 2 are provided to enable engineers to easily evaluate the
iP1202 in an independent and parallel configuration that is capable of
providing up to 15A per phase with double-sided heat sinking. Fig. 4, 5
and 6 and the complete bill of materials in Table 1 are provided as a
reference design to enable engineers to very quickly and easily design
a dual phase converter. In order to optimize this design to your
specific requirements, refer to the iP1202 data sheet for guidelines on
external component selection and user adjustable limits and specifi-
cations. Custom designs may require layout modifications.
Demoboard Quick Start Guide
Initial Settings:
•
•
•
The output1 is set to 1.5V and output2 is set to 2.5V for independent configuration.
The output1 is set to 1.5V with R4, R8, R10, R11 and R12 removed for parallel configuration.
Output can be adjusted from 0.8V to 3.3V as follow:
1. V
: R9=R13= R7 [(VOUT 1/ Vref) – 1]. Set R7=R14=1k,Vref=0.8V
2. VOUT2
OUT1: R10=R11= R8 [(VOUT2 / Vref) – 1]. Set R8=R12=1k,Vref=0.8V.
•
•
•
The switching frequency is set to R3=30.9k for 300kHZ
The input voltage range can be increased to allow operation between 5.5VIN and 13.2VIN.
For paralleled single output operation see Fig. 6 for configuration table in reference design
schematic.
Procedure for Connecting and Powering Up Demoboard:
1.
2.
Apply input voltage (5.5V-13.2V) across VIN and PGND
Apply load across VOUT1 pad and PGND pad and VOUT2 pad and PGND pad for independent
configuration.
3.
4.
Apply load across VOUT1 pad and PGND pad and short R27 for parallel configuration.
Adjust load accordingly.
IRDCiP1202-A Recommended Operating Conditions
(refer to the iP1202 datasheet for maximum operating conditions)
Input voltage:
5.5 - 13.2V
Output voltage: Can be set between 0.8V – 3.3V
Output current: Up to 15A (see recommended operating area Fig. 1, 2 and 3). The maximum current
should be limited to 11.5A if the PCB is the only heat sink.
Switching Freq: 200kHz to 400kHz selectable.
07/04/03
IRDCiP1202-A
56
52
48
44
40
36
32
28
24
20
16
12
8
VIN = 12V
VOUT1 = VOUT2 = 1.5V
fSW = 300kHz
L = 1PH
T
BLK = 125°C
4
4
6
8
10
12
14
16
18
20
22
24
Overload Current (A)
Fig. 1: Nominal Overcurrent Threshold Setting External Resistor Selection for VIN = 12V
400
380
360
340
320
300
280
260
240
220
200
20
25
30
35
40
45
50
RT in KOhms
Fig. 2 : Per Channel Switching Frequency vs RT
2
www.irf.com
IRDCiP1202-A
VIN = 12V, VOUT1 = 1.5V, VOUT2 = 2.5V
92%
90%
88%
86%
84%
82%
80%
78%
76%
74%
72%
70%
200kHZ
300kHZ
400kHZ
1
2
3
4
5
6
7
8
9
10
11
12
Output Current(A)
Fig. 3 - Typical Efficiency vs. Current
Refer to the following application notes for detailed guidelines and suggestions when implementing
iPOWIR Technology products:
AN-1028: Recommended Design, Integration and Rework Guidelines for International Rectifier’s
iPOWIR Technology BGA Packages
This paper discusses the assembly considerations that need to be taken when mounting iPOWIR BGA’s
on printed circuit boards. This includes soldering, pick and place, reflow, inspection, cleaning and
reworking recommendations.
AN-1029: Optimizing a PCB Layout for an iPOWIR Technology Design
This paper describes how to optimize the PCB layout design for both thermal and electrical performance.
This includes placement, routing, and via interconnect suggestions.
AN-1030:Applying iPOWIR Products in Your Thermal Environment
This paper explains how to use the Power Loss and SOA curves in the data sheet to validate if the
operating conditions and thermal environment are within the Safe Operating Area of the iPOWIR product.
AN-1047: Graphical solution to two branch heatsinking Safe Operating Area
This paper is a suppliment to AN-1030 and explains how to use the double side Power Loss and SOA
curves in the data sheet to validate if the operating conditions and thermal environment are within the Safe
Operating Area of the iPOWIR product.
www.irf.com
3
IRDCiP1202-A
D N P G
1
2
1
2
Fig. 4 - Reference Design Schematic
4
www.irf.com
IRDCiP1202-A
Fig. 5 - Component Placement (Top View) SideLayer
Fig. 6 - Component Placement (Bottom View)
www.irf.com
5
IRDCiP1202-A
IRDCiP1202-A (Dual, Independent output configurations(Channel1 1.5V output, Channel2 2.5V output)
QTY
REF DESIGNATOR
DESCRIPTION
SIZE
MFR
PART NUMBER
6
C1, C2, C3, C4, C22, C23
Capacitor, ceramic, 33µF, 16V, X5R, 20%
1812
TDK
C4532X5R1C336MT
4
1
4
3
1
2
2
2
4
2
2
1
C7, C8, C14, C17
C11
Capacitor, ceramic, 0.1µF, 50V, X7R, 10%
Capacitor, ceramic, 0.012uF, 50V, X7R, 10%
Capacitor, poscap, 470µF, 6.3V, electrolytic 20%
Capacitor, ceramic, 100pF, 50V, NPO, 5%
Capacitor, ceramic, 0.018uF, 25V, X7R, 10%
Inductor, 1µH, 19A, 20%
0603
0603
TDK
Phycomp
Sanyo
C1608X7R1H104K
06032R123K8B20
6TPB470M
C12, C13, C15, C16
C10, C26, C27
C9
7343
0603
0603
Phycomp
Phycomp
Panasonic
KOA
0603CG101J9B20
06032R183K8B20
ETQP1H1R0BFA
RK73H1J8870F
RK73H1J2151F
RK73H1J1001F
RK73H1J5112F
SMT-R000
L1, L2
13.0mm X 12.9mm
0603
R13, R9
Resistor, thick film, 887Ω, 1/10W, 1%
Resistor, thick film, 2.15kΩ, 1/10W, 1%
R10, R11
0603
KOA
R7, R8, R12, R14
ROC1,ROC2
R15, R19
Ω
0603
KOA
Resistor, thick film, 1.0k , 1/10W, 1%
Ω
0603
KOA
Resistor, thick film, 51.1k , 1/10W, 1%
Resistor, manganin-foil, 0Ω, 2W
2716
Isotek Corp
ROHM
R4
0603
MCR03EZHJ000
Resistor, thick film, 0Ω, 1/10W, 5%
C18, C19, C20, C21, C24,
C25, R16, R17, R22, R23,
R24, R25, R26, R27
14
Not installed
-
-
-
2
1
1
1
1
R1, R2
0603
0603
KOA
KOA
KOA
KOA
IR
RK73H1J1003F
RK73H1J2491F
RK73H1JLTD3321F
RK73H1J3092F
iP1202
Resistor, thick film, 100kΩ, 1/10W, 1%
Resistor, thick film, 2.49kΩ, 1/10W, 1%
R5
R6
Ω
0603
Resistor, thick film, 3.32k , 1/10W, 1%
R3
Ω
0603
9.25mm X 15.5mm
Resistor, thick film, 30.9k , 1/10W, 1%
BGA Power Block
U1
IRDCiP1202-A (Single, paralleled output configuration(for 1.5V output)
QTY
6
REF DESIGNATOR
C1, C2, C3, C4, C22, C23
C7, C8, C14, C17
C11
DESCRIPTION
SIZE
1812
MFR
TDK
PART NUMBER
C4532X5R1C336MT
C1608X7R1H104K
06032R123K8B20
6TPB470M
Capacitor, ceramic, 33µF, 16V, X5R, 20%
Capacitor, ceramic, 0.1µF, 50V, X7R, 10%
Capacitor, ceramic, 0.012uF, 50V, X7R, 10%
Capacitor, poscap, 470µF, 6.3V, electrolytic 20%
Capacitor, ceramic, 100pF, 50V, NPO, 5%
Capacitor, ceramic, 0.018uF, 25V, X7R, 10%
Inductor, 1µH, 19A, 20%
4
0603
TDK
1
0603
Phycomp
Sanyo
4
C12, C13, C15, C16
C10, C26, C27
C9
7343
3
0603
Phycomp
Phycomp
Panasonic
KOA
0603CG101J9B20
06032R183K8B20
ETQP1H1R0BFA
RK73H1J8870F
RK73H1J1001F
RK73H1J5112F
ERJM1WSF5M0U
SMT-R000
1
0603
2
L1, L2
13.0mm X 12.9mm
0603
2
R13, R9
Ω
Resistor, thick film, 887 , 1/10W, 1%
2
R7, R14
Ω
0603
KOA
Resistor, thick film, 1.0k , 1/10W, 1%
Resistor, thick film, 51.1kΩ, 1/10W, 1%
Resistor, alloy metal, 5mΩ, 1W, 1%
Resistor, manganin-foil, 0Ω, 2W
2
ROC1,ROC2
R15, R19
0603
KOA
2
2512
Panasonic
Isotek Corp
ROHM
1
R27
2716
3
R16, R17, R22
Ω
0603
MCR03EZHJ000
Resistor, thick film, 0 , 1/16W
C18, C19, C20, C21, C24,
C25, R10, R11, R12, R4,
R8, R23, R24, R25, R26
15
Not installed
-
-
-
2
1
1
1
1
R1, R2
0603
0603
KOA
KOA
KOA
KOA
IR
RK73H1J1003F
RK73H1J2491F
RK73H1JLTD3321F
RK73H1J3092F
iP1202
Resistor, thick film, 100kΩ, 1/10W, 1%
R5
Ω
Resistor, thick film, 2.49k , 1/10W, 1%
R6
Ω
0603
Resistor, thick film, 3.32k , 1/10W, 1%
R3
Ω
0603
Resistor, thick film, 30.9k , 1/10W, 1%
BGA Power Block
U1
9.25mm X 15.5mm
Table 1 - Reference Design Bill of Materials
Use of this design for any application should be fully verified by the customer.
International Rectifier cannot guarantee suitability for your applications, and is not
liable for any result of usage for such applications including, without limitation,
personal or property damage or violation of third party intellectual property rights.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USATel: ++ 1 310 252 7105
Technical Assistance Center (TAC) Fax : ++ 1 310 252 7903
www.irf.com
6
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