IP1203 International Rectifier, IP1203 Datasheet
IP1203
Specifications of IP1203
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IP1203 Summary of contents
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... Maximum Load Capability • 200-400kHz Nominal Switching Frequency • Over Current Hiccup • External Synchronization Capable • Overvoltage Protection • Over Temperature Protection • Internal Features Minimize Layout Sensitivity • Very Small Outline 9mm x 9mm x 2.3mm Description ™ iP1203 Simplified Application Schematic ...
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... All specifications @ 25°C (unless otherwise specified) Absolute Maximum Ratings Parameter V IN Feedback Output Overvoltage Sense PGOOD Soft Start SYNC Output RMS Current Block Temperature Recommended Operating Conditions Parameter Input Voltage Range Output RMS Current Output Voltage Range Electrical Specifications @ V Parameter ...
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... MAX V ––– 4.5 IN-UVLO V ––– 0.25 IN-UVLO HYST V ––– ––– SS-DIS V ––– ––– IN-SLEW iP1203 Conditions Max Units 230 kHz R = 48.7kΩ T 345 kHz R = 30.9kΩ T 460 kHz R = 21.5kΩ ...
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... Internal Block Diagram www.irf.com ...
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... 12V V OUT = 1. 300kHz L = 1.0µH T BLK = 125° OUT 300kHz L = 1.0µ www.irf.com 5 Output Current ( Safe 12V = 1.5V Operating Area PCB Temperature (°C) Maximum Typical 100 110 120 100 110 120 iP1203 15 130 Tx 130 5 ...
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... V OUT = 1.5V I OUT = 15A 1. 300kHz L = 1.0µH T BLK = 125°C 1.02 1.00 0.98 0. Input Voltage (V) 1.120 12V V OUT = 1.5V 1.080 I OUT = 15A L = 1.0µH T BLK = 125°C 1.040 1.000 0.960 200 250 300 Swiching Frequency (kHz OUT = 1. 300kHz 1.0µ BLK = 125° ...
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... X www.irf.com ≈ ≈ ≈ ≈ Case Temperature (º 12V IN iP1203 SOA = 1.5V OUT = 300kHz L=1.0uH PCB Temperature (ºC) ≈ iP1203 90 100 110 120 100 110 120 µ 7 ...
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... L=1.0uH Vin Average iP1203 FB 8 ≈ Case Temperature (ºC) Unadjusted SOA curve Adjusted SOA curve = 12V IN iP1203 SOA = 1.5V = 300kHz PCB Temperature (ºC) Iin Average A Cin Iout Average Lo Co Averaging Vout Average V Circuit Fig. 10: Power Loss Test Circuit ≈ ≈ ≈ + ≈ ...
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... V SWs V SW www.irf.com PGND PGND PGND PGND PGND PGND SYNC OCSET V PGND SW Fig. 11: Recommended PCB Footprint (Top View) V PGND REF T PGOOD iP1203 9 ...
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... Css Fig.12: Soft Start/Enable Circuit 0.8Vtyp V Css V OUT Fig. 13: Power Up Threshold Iss iP1203 3V www.irf.com ...
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... www.irf.com ± iP1203 11 ...
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... Vout FB R5 iP1203 FB S C14 (Optional R26 ss R27 I s µ = − RMS out s s µ www.irf.com ...
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... O ∆ ≤ ∆ ≤ 10 > π 2 × × ESR Ω www.irf.com µ µ iP1203 π O µ 13 ...
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... × × Vout R2 iP1203 FB R5 E/A1 V REF C6 CC (Optional) C9 R19 Magnitude(dB) H( × × π × × Frequency www.irf.com ...
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... esr 19 ramp × π 2 × π × × opt opt π × × www.irf.com + × × Ω × × Vout R20 C8 R21 R2 iP1203 FB R5 E/A1 V REF C6 Magnitude(dB) H( iP1203 × Frequency 15 ...
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... π × × π × × π × × × × × × ramp Ω π × × ref o ref www.irf.com ...
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... www.irf.com iP1203 17 ...
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... Pin Assignment www.irf.com ...
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... Layout Guidelines www.irf.com iP1203 Suggested Layout iP1203 19 ...
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... Fig. 24: Typical Application Schematic PGND 21 PGND 20 PGND 17 PGND 7 PGND 5 PGND 4 PGND 3 PGND 2 www.irf.com ...
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... X (1) 0.800 Y 0.508 X (2) 0.800 Y 2.769 X (3) Y 1.778 X 2.261 (4) Y 2.261 1.016 X (5) Y 0.508 X 1.016 (6) Y 2.139 X 1.016 (7) Y 2.261 X 2.032 (8) Y 2.261 1.524 X (9) Y 2.032 R 0.269 (10) K 0.254 LAYOUT NOTES : 1. MIRROR T HE EXACT LY MODULE PAD OPENING TO PCB LAYOUT . iP1203 21 ...
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... XXXX XXXX iP1203 iP1203 12.0 (.472) NOT OUT LINE CONFORMS T O EIA-481 & EIA-541. iP1203, BGA 22 16.0 (.630) 0438 XXXX iP1203 FEED DIRECTION Fig. 26: Tape & Reel Information 0438 XXXX iP1203 Fig. 27: Part Marking www.irf.com ...
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... This product has been designed and qualified for the industrial market. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 www.irf.com Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice.04/05 iP1203 TAC Fax: (310) 252-7903 23 ...