FAN5026(2011) Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN5026
(Rev.:2011)

Dual DDR / Dual-Output PWM Controller

Fairchild Semiconductor 

Typical Application

Table 1. DDR Regulator BOM

Figure 5. DDR Regulator Application

Description

Qty. Ref.

Vendor

Part Number

Capacitor 68µf, Tantalum, 25V, ESR 150mΩ

1 C1

AVX

TPSV686*025#0150

Capacitor 10nf, Ceramic

2 C2, C3

Any

Capacitor 68µf, Tantalum, 6V, ESR 1.8Ω

1 C4

AVX

TAJB686*006

Capacitor 150nF, Ceramic

Capacitor 180µf, Specialty Polymer 4V, ESR 15mΩ

Capacitor 1000µf, Specialty Polymer 4V, ESR 10mΩ

2 C5, C7

Any

2 C6A, C6B(1) Panasonic

1 C8

Kemet

EEFUE0G181R

T510E108(1)004AS4115

Capacitor 0.1µF, Ceramic

2 C9

Any

1.82KΩ, 1% Resistor

3 R1, R2, R3 Any

56.2KΩ, 1% Resistor

1 R3

Any

10KΩ, 5% Resistor

2 R4

Any

3.24KΩ, 1% Resistor

1.5KΩ, 1% Resistor

1 R5

Any

2 R7, R8

Any

Schottky Diode 30V

2 D1, D2

Fairchild Semiconductor BAT54

Inductor 6.4µH, 6A, 8.64mΩ

1 L1

Panasonic

ETQ-P6F6R4HFA

Inductor 0.8µH, 6A, 2.24mΩ

Dual MOSFET with Schottky

1 L2

2 Q1, Q2

Panasonic

ETQ-P6F0R8LFA

Fairchild Semiconductor FDS6986AS(2)

DDR Controller

1 U1

Fairchild Semiconductor FAN5026

Notes:

1. C6 = 2 X 180µF in parallel.

2. 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 more information, refer to the Power MOSFET Selection

Section and use AN-6002 for design calculations.

© 2005 Fairchild Semiconductor Corporation

FAN5026 • Rev. 1.0.8

7

www.fairchildsemi.com

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