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FAN5236QSC Fiches technique(PDF) 7 Page - Fairchild Semiconductor |
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FAN5236QSC Fiches technique(HTML) 7 Page - Fairchild Semiconductor |
7 / 20 page FAN5236 PRODUCT SPECIFICATION REV. 1.1.9 7/12/04 7 Typical Applications Figure 4. DDR Regulator Application Table 1. DDR Regulator BOM Note 1: Suitable for typical notebook computer application of 4A continuous, 6A peak for VDDQ. If continuous operation above 6A is required use single SO-8 packages for Q1A (FDS6612A) and Q1B (FDS6690S) respectively. Using FDS6690S, change R7 to 1200 Ω. Refer to Power MOSFET Selection, page 15 for more information. Description Qty Ref. Vendor Part Number Capacitor 68 µf, Tantalum, 25V, ESR 150mΩ 1 C1 AVX TPSV686*025#0150 Capacitor 10nf, Ceramic 2 C2, C3 Any Capacitor 68 µf, Tantalum, 6V, ESR 1.8Ω 1 C4 AVX TAJB686*006 Capacitor 150nF, Ceramic 2 C5, C7 Any Capacitor 180 µf, Specialty Polymer 4V, ESR 15mΩ 2 C6A, C6B Panasonic EEFUE0G181R Capacitor 1000 µf, Specialty Polymer 4V, ESR 10mΩ 1 C8 Kemet T510E108(1)004AS4115 Capacitor 0.1 µF, Ceramic 2 C9 Any 18.2K Ω, 1% Resistor 3 R1, R2 Any 1.82K Ω, 1% Resistor 1 R6 Any 56.2K Ω, 1% Resistor 2 R3 Any 10K Ω, 5% Resistor 2 R4 Any 3.24K Ω, 1% Resistor 1 R5 Any 1.5K Ω, 1% Resistor 2 R7, R8 Any Schottky Diode 30V 2 D1, D2 Fairchild BAT54 Inductor 6.4 µH, 6A, 8.64mΩ 1 L1, Panasonic ETQ-P6F6R4HFA Inductor 0.8 µH, 6A, 2.24mΩ 1 L2 Panasonic ETQ-P6F0R8LFA Dual MOSFET with Schottky 1 Q1, Q2 Fairchild FDS6986S (note 1) DDR Controller 1 U1 Fairchild FAN5236 FPWM1 (VOUT1) 2 C6A VDDQ = 2.5V DDR L1 Q1B 5 27 C8A VTT = VDDQ/2 L2 24 PWM 1 PWM 2 ILIM1 PG2/REF 14 13 11 16 R5 R6 18 28 VCC +5 +5 ILIM2/REF2 Q2B 1.25V@10mA C7 D1 +5 6 4 R7 7 25 R8 23 D2 +5 9 22 C4 19 VSEN2 ISNS2 1 AGND R3 3 26 PGND2 SW2 HDRV2 ISNS1 PGND2 EN1 8 EN2 21 Q1A Q2A 20 FPWM2 10 VSEN1 R2 R1 LDRV1 BOOT2 HDRV1 SW1 BOOT1 VIN LDRV2 C5 C1 PG1 15 +5 R4 C9 VIN (BATTERY) = 5 to 24V SS1 12 C2 SS2 17 C3 C6B C8B |
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