IRDCIP1202-A IRF | Alldatasheet

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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. VOUT1: R9=R13= R7 [(VOUT 1/ Vref) – 1]. Set R7=R14=1k,Vref=0.8V 2. VOUT2: 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 5.5V IN 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. Apply input voltage (5.5V-13.2V) across V IN and PGND 2. Apply load across VOUT1 pad and PGND pad and VOUT2 pad and PGND pad for independent configuration. 3. Apply load across VOUT1 pad and PGND pad and short R27 for parallel configuration. 4. 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. IRDCiP1202-A International Rectifier • 233 Kansas Street, El Segundo, CA 90245 USA REFERENCE DESIGNREFERENCE DESIGN

www.irf.com2 IRDCiP1202-A 200 220 240 260 280 300 320 340 360 380 400 20 25 30 35 40 45 50 RT in KOhms Switching Frequency in KHz Fig. 2 : Per Channel Switching Frequency vs RT Fig. 1: Nominal Overcurrent Threshold Setting External Resistor Selection for VIN = 12V 4 6 8 10 12 14 16 18 20 22 24 Overload Current (A) ROC-SET (k:) VIN = 12V VOUT1 = VOUT2 = 1.5V fSW = 300kHz L = 1PH TBLK = 125°C

www.irf.com 3 IRDCiP1202-A VIN = 12V, V OUT1 = 1.5V, V OUT2 = 2.5V 70% 72% 74% 76% 78% 80% 82% 84% 86% 88% 90% 92% 123456789 1 0 1 1 1 2 Output Current(A) Efficiency 200kHZ 300kHZ 400kHZ 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.com4 IRDCiP1202-A VIN SS 1 VP- REF PGND CC1 FB 1 VS W1 HIC CUP FB 1S VS W2 FB 2 CC2 ENABLE PGOOD SS 2 RT SY NC VREF FB 2S OC1 OC2 iP1202 VIN SS 1 VP- REF PGND CC1 FB 1 VS W1 HIC CUP FB 1S VS W2 FB 2 CC2 ENABLE PGOOD SS 2 RT SY NC VREF FB 2S OC1 OC2 33uF 33uF 33uF 33uF 16V 16V 16V 16V TP1 VIN TP2 PGND 0.1uF SS1 1uH TP 8 VSW1 C12 470uF C13 470uF C14 0.1uF TP 12 PGND 6.3V 6.3V 887 1% 1K 1% FB1 0.018uF R5 2.49K CC1 R15 5mOH M R16 C15 470uF C17 0.1uF 1uH R10 2.15k 1% 1k 1% TP 10 VSW2 C16 470uF C11 0.012uF TP14 PGND 3.32K 6.3V 6.3V VSW2 FB2 CC2 R19 5mOH M R17 EN ABLE PGOOD TP6 SYNC VSW1 VIN VP-REF 0.1uF SS2 30.9K C10 100pF HICCUPR1 100K 100K R13 887 1% R14 1K 1% R11 2.15K 1% R12 1K 1% 0.8V TP 11 VOUT1 TP13 VOUT2 FB1S VR EF FB2S RT SYNC Designat or Ind ependent mode(dual output) 2 phase mode(single outp ut) R16 R17 R10 Re moved Re moved Installed Installed Installed Installed Removed Removed Ou tput C onfi g ura tion R4 Installed Removed R15, R19 Short 5m OHM For independent m ode, output voltages are set by using the following equations: For V OUT1: Set R7 (or R8) to 1K, VREF to 0.8V , and VOUT to desired output, then solve for R9 (or R10 respectively). R9 = R7[(VOUT1/VREF) - 1]. Fo r V OUT2: R10 = R8[(VOUT2/VREF) - 1]. For parallel (single output) m ode, check table on the left. JP1 HICCUP JP3 ENABLE VIN VIN ROC1 51.1K 1% ROC2 51.1K 1% OC1 OC2 TP 28 VIN TP29 PGND TP15 VOUT1 TP 16 PG ND TP 17 VO UT2 TP18 PGND (1 .5V) (2 .5V) VO UT1 VO UT2 VSW1S VS W2S TP 20 VOUT1 TP 22 PG ND TP3 VIN TP4 PGND R22 FB1S R11 R12 Installed Removed R22 Removed Installed C18 NI C19 NI C20 NI C21 NI R23 NI R24 NI R25 NI R26 NI C23 33uF C22 33uF 16V 16V C24 NI C25 NI C26 100pF C27 100pF Type III Com pensation * * * * *NI: Not Insta lled R27 CON4 IN PUT/OU TPU T EN ABLE VINS PG NDS VS W1S VS W2S VO UT1 VO UT2 JP1-1 SH UN T JP3-1 SH UN T (short f or indepe ndent output conf igura tion) (short f or indepe ndent output conf igura tion) R2 7 De signa tor Ty p e II Configuratio n Typ e III Configuratio n C1 8, C1 9 C2 0, C2 1 C9 , C11 R5 , R6 Re moved Re moved Ins talled Ins talled Ins talled Ins talled Ins talled Re m oved Compensation Configuration Ins talled R2 3, R2 4, R2 5, R26 Re moved Fig. 4 - Reference Design Schematic

www.irf.com 5 IRDCiP1202-A Fig. 5 - Component Placement (Top View) SideLayer Fig. 6 - Component Placement (Bottom View)

www.irf.com6 IRDCiP1202-A Table 1 - Reference Design Bill of Materials IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: ++ 1 310 252 7105 Technical Assistance Center (TAC) Fax : ++ 1 310 252 7903 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. IRDCiP1202-A (Single, paralleled output configuration(for 1.5V output) 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 C7, C8, C14, C17 Ca pacitor, ceramic, 0.1µF, 50V, X7R, 10% 0603 TDK C1608X7R1H104K 1 C11 Capacitor, ceramic, 0.012uF, 50V, X7R, 10% 0603 Ph ycomp 06032R123K8B20 4 C12, C13, C15, C16 Capacitor, poscap, 470µF, 6.3V, electrol ytic 20% 7343 San yo 6TPB470M

3 C10, C26, C27 Ca pacitor, ceramic, 100pF, 50V, NPO, 5% 0603 Ph ycomp 0603CG101J9B20

1C 9 C a pacitor, ceramic, 0.018uF, 25V, X7R, 10% 0603 Ph ycomp 06032R183K8B20 2 L1, L2 Inductor, 1µH, 19A, 20% 13.0mm X 12.9mm Panasonic ETQP1H1R0BFA

2 R13, R9 Resistor, thick film, 887Ω, 1/10W, 1% 0603 KOA RK73H1J8870F

2 R10, R11 Resistor, thick film, 2.15kΩ, 1/10W, 1% 0603 KOA RK73H1J2151F 4 R7, R8, R12, R14 Resistor, thick film, 1.0kΩ, 1/10W, 1% 0603 KOA RK73H1J1001F 2R O C 1 , R O C 2 Resistor, thick film, 51.1kΩ, 1/10W, 1% 0603 KOA RK73H1J5112F

2 R15, R19 Resistor, manganin-foil, 0Ω, 2W 2716 Isotek Corp SMT-R000

1 R 4 Resistor, thick film, 0Ω, 1/10W, 5% 0603 ROHM MCR03EZHJ000

C18, C19, C20, C21, C24, C25, R16, R17, R22, R23, R24, R25, R26, R27 Not installed - - - 2R 1 , R 2 Resistor, thick film, 100kΩ, 1/10W, 1% 0603 KOA RK73H1J1003F 1R 5 Resistor, thick film, 2.49kΩ, 1/10W, 1% 0603 KOA RK73H1J2491F 1R 6 Resistor, thick film, 3.32kΩ, 1/10W, 1% 0603 KOA RK73H1JLTD3321F 1R 3 Resistor, thick film, 30.9kΩ, 1/10W, 1% 0603 KOA RK73H1J3092F 1 U1 BGA Power Block 9.25mm X 15.5mm IR iP1202 QTY REF DESIGNATOR DESCRIPTION SIZE MFR PART NUMBER

4 C7, C8, C14, C17 Ca

pacitor, ceramic, 0.1µF, 50V, X7R, 10% 0603 TDK C1608X7R1H104K 1 C 1 1 C a pacitor, ceramic, 0.012uF, 50V, X7R, 10% 0603 Ph ycomp 06032R123K8B20 4 C12, C13, C15, C16 Ca pacitor, poscap, 470µF, 6.3V, electrolytic 20% 7343 San yo 6TPB470M

3 C10, C26, C27 Capacitor, ceramic, 100pF, 50V, NPO, 5% 0603 Ph ycomp 0603CG101J9B20

1 C9 Capacitor, ceramic, 0.018uF, 25V, X7R, 10% 0603 Ph ycomp 06032R183K8B20 2 L1, L2 Inductor, 1µH, 19A, 20% 13.0mm X 12.9mm Panasonic ETQP1H1R0BFA 2R 1 3 , R 9 Resistor, thick film, 887Ω, 1/10W, 1% 0603 KOA RK73H1J8870F 2R 7 , R 1 4 Resistor, thick film, 1.0kΩ, 1/10W, 1% 0603 KOA RK73H1J1001F 2 ROC1,ROC2 Resistor, thick film, 51.1kΩ, 1/10W, 1% 0603 KOA RK73H1J5112F 2R 1 5 , R 1 9 Resistor, allo y metal, 5mΩ, 1W, 1% 2512 Panasonic ERJM1WSF5M0U 1R 2 7 Resistor, manganin-foil, 0Ω, 2W 2716 Isotek Corp SMT-R000

3 R16, R17, R22 Resistor, thick film, 0Ω, 1/16W 0603 ROHM MCR03EZHJ000

C18, C19, C20, C21, C24, C25, R10, R11, R12, R4, R8, R23, R24, R25, R26 Not installed - - - 2R 1 , R 2 Resistor, thick film, 100kΩ, 1/10W, 1% 0603 KOA RK73H1J1003F 1R 5 Resistor, thick film, 2.49kΩ, 1/10W, 1% 0603 KOA RK73H1J2491F 1R 6 Resistor, thick film, 3.32kΩ, 1/10W, 1% 0603 KOA RK73H1JLTD3321F 1R 3 Resistor, thick film, 30.9kΩ, 1/10W, 1% 0603 KOA RK73H1J3092F 1 U1 BGA Power Block 9.25mm X 15.5mm IR iP1202