IP1202 International Rectifier, IP1202 Datasheet
IP1202
Specifications of IP1202
Available stocks
Related parts for IP1202
IP1202 Summary of contents
Page 1
... Very small outline 15.5mm x 9.25mm x 2.6mm Description iP1202 Configurations www.irf.com Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors OUT OUT 05/23/05 PD-94593D iP1202 PWM Control & Passives iP1202 Power Block Channel 1 Channel 1 Channel 1 Channel OUT OUT Channel 2 Channel 2 Channel 2 Channel OUT OUT 1 ...
Page 2
... All specifications @ 25°C (unless otherwise specified) Absolute Maximum Ratings Parameter V IN Feedback Output Overvoltage Sense PGOOD ENABLE Soft Start Vp-ref HICCUP SYNC Output RMS Current Per Channel Block Temperature Recommended Operating Conditions Parameter Input Voltage Range Output RMS Current Per Channel ...
Page 3
... SYNC t - 200 SYNC IN-LEAKAGE Temp - 140 shdn MAX EN- 4.8 ON_th V - 4.3 OFF_th SS-DIS iP1202 Conditions Max Units 230 kHz R = 48.7kΩ T 345 kHz R = 30.9kΩ T 460 kHz R = 21.5kΩ Free running frequency 800 kHz set 20% below sync frequency - 0 12V, ENABLE high IN - ° ...
Page 4
... Internal Block Diagram www.irf.com ...
Page 5
... L = 1.0 µ www.irf.com V = 12V 1.5V OUT 300kHz 1.0 µ 125°C BLK Output Current per Channel (A) Case Temperature (ž& Safe Operating Area = 12V IN = 1.5V OUT 2 = 15A = 300kHz PCB Temperature (ºC) M aximum T ypical 100 110 100 110 iP1202 15 120 T X 120 5 ...
Page 6
... 1. 15A 1.030 f = 300kHz 1.0µ H 1.015 T = 125° 1.000 0.985 0.970 0.955 0.940 0.925 Input Voltage (V) 1.060 V = 12V I N 1.045 1. 15A 1.030 1.0µ H 1.015 T = 125° 1.000 0.985 0.970 0.955 0.940 0.925 0.910 200 250 300 Sw itching Fre que ncy (k Hz OUT = 1 ...
Page 7
... X www.irf.com X ≈ ≈ ≈ ≈ Cas ratur e ( 8Ã Safe 10 Operating 9 Area 12V 1.5V OUT 1 OUT 15A OUT 300kHz 1.8uH PCB Temperature (ºC) µ µ ≈ iP1202 90 100 110 120 100 110 120 7 ...
Page 8
... ≈ ≈ ≈ ≈ ≈ Cas rature ( 8Ã 100 A djusted SOA Current Unadjusted SOA Current Safe Operating Area V = 12V 1.5V OUT 1 OUT 15A OUT f = 300kHz 1.8uH 100 PCB Temperature (ºC) ≈ Cas ratur e ( 8Ã 100 Unadjusted SOA Current A djusted SOA Current ...
Page 9
... Output 1 inductor connection pins Output 2 inductor connection pins Power Ground pins PGND. selection, refer to Fig.9 of the T datasheet. function not needed, pin can be left floating low enables latched overcurrent shutdown mode. Overcurrent trip threshold pin for output 1 Overcurrent trip threshold pin for output 2 iP1202 9 ...
Page 10
... Vin Average V Lo1 VSW1 FB1 iP1202 FB2 VSW2 10 Iin Average A Cin Vin DC Iout1 Average A Co1 Averaging Vout1 Average V Circuit 1 Iout2 Average Lo2 A Co2 Averaging Vout2 Average V Circuit 2 Fig. 10: Power Loss Test Circuit Average Average x I OUT OUT1 + + (V Average x I OUT2 ...
Page 11
... IN Fig. 11: Recommended PCB Footprint (Top View) www.irf.com All Dimensions in inches (millimeters) iP1202 ...
Page 12
... SS1/SS2 Css Fig. 12: Soft Start/Enable Circuit 0.8Vtyp V Css V OUT Fig. 13: Power Up Threshold Iss iP1202 3V www.irf.com ...
Page 13
... www.irf.com iP1202 ± 13 ...
Page 14
... VREF SS2 SS2 ROC2 OC2 OC2 51.1k VSW2 VSW2 ENABLE ENABLE FB2 FB2 FB2S FB2S RT RT CC2 CC2 0.012uF SYNC SYNC iP1202 Dual Output Simplified Schematic ROC1 VOUT1 L1 1.5V 1.0uH R9 Cout1 470uF 887 2.49k C10 100pF VOUT2 L2 2.5V 1.0uH R10 2.15k ...
Page 15
... SS2 SS2 OC2 OC2 VSW2 VSW2 ENABLE ENABLE FB2 FB2 FB2S FB2S CC2 CC2 30.9k SYNC SYNC PGND iP1202 Single Output Simplified Schematic OC1 OC1 VIN 12V VIN VIN VSW1 VSW1 Cin 22uF x6 R1 HICCUP HICCUP FB1 FB1 100k FB1S FB1S R2 ...
Page 16
... Vout1 R9 FB1 R7 iP1202 FB1S C26 (Optional) 16 R13 R14 ss µ RMS µ − + − − www.irf.com ...
Page 17
... RMS LOAD O ∆ ≤ ∆ ≤ 10 > π ⋅ ⋅ esr www.irf.com µ iP1202 Ω µ π O ° 17 ...
Page 18
... µ Magnitude(dB) = × × π × Vout1 R9 iP1202 FB1 R7 E/A1 VREF C10 CC1 (Optional H(s) dB Frequency × × × www.irf.com ...
Page 19
... × × × esr × π 2 × ≈ π × × opt opt π × × www.irf.com + R 1 × Ω Magnitude(dB) + × × × Vout1 R23 C19 R24 R9 iP1202 FB1 R7 VREF C10 H( iP1202 + C18 C9 CC1 E/ Frequency 19 ...
Page 20
... ≅ π × × π × × π × × × × × × Ω π × × ref o ref www.irf.com ...
Page 21
... Vp-Ref E/A2 FB2 CC2 C11 R6 π × × × ramp × π ⋅ ⋅ dson × π ⋅ × × ≤ www.irf.com Vsw1 L1 R sh1 VOUT R Load R sh2 L2 Vsw2 × iP1202 21 ...
Page 22
... iP1202 22 www.irf.com ...
Page 23
... www.irf.com iP1202 23 ...
Page 24
... iP1202 24 www.irf.com ...
Page 25
... Layout Guidelines www.irf.com iP1202 suggested layout iP1202 25 ...
Page 26
... Fig. 32: Reference Design Schematic PGND PGND 1 2 www.irf.com ...
Page 27
... PART NUMBER C4532X5R1E226M C1608X7R1H104K 06032R123K8B20 6TPB470M 0603CG101J9B20 06032R183K8B20 ETQP1H1R0BFA RK73H1J8870F RK73H1J1001F RK73H1J5112F ERJM1W SF5M0U SMT-R000 MCR03EZHJ000 RK73H1J8871F - RK73H1J1003F RK73H1J2491F RK73H1JLTD3321F RK73H1J3092F iP1202 PART NUMBER C4532X5R1E226M C1608X7R1H104K 06032R123K8B20 6TPB470M 0603CG101J9B20 06032R183K8B20 ETQP1H1R0BFA RK73H1J8870F RK73H1J2151F RK73H1J1001F RK73H1J5112F SMT-R000 MCR03EZHJ000 - RK73H1J1003F RK73H1J2491F RK73H1JLTD3321F RK73H1J3092F iP1202 27 ...
Page 28
... C 15.50 [.610 BALL A1 CORNER VIEW 0.40 [.016] 2X BOT T OM VIEW 0.45 [.0177] 0.35 [.0138] 0.12 [.005] C 9.25 [.364] 0.15 [.006 0.55 [.0216] 161X Ø 7 0.45 [.0178] 0.15 [.006 0.08 [.003] C 0.80 (2X 0.625 [.025]) [.032] 27X S IDE VIEW Fig.33: Mechanical Drawing NOT DIMENS IONING & ...
Page 29
... XXXX XXXX iP1202 iP1202 20.00 (.787) FEED DIRECTION NOT OUTLINE CONFORMS TO EIA-481 & EIA-541. iP1202, BGA IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 www.irf.com 0305 0305 XXXX XXXX iP1202 iP1202 Fig.34: Part Marking 24.00 (.945) Fig.35: Tape & ...