FAN5066

PRODUCT SPECIFICATION

10

REV. 2.1.4 11/13/01

Table 3. FAN5066 Application Bill of Materials for DDR VTT

Notes:

1. Inductor L1 is recommended to isolate the 5V input supply from noise generated by the MOSFET switching. L1 may be

omitted if desired.

Test Circuit

Figure 3. Output Drive Test Circuit and Timing Diagram

Reference

Manufacturer Part #

Quantity

Description

Requirements/Comments

C1–2, C6–C9

Panasonic

ECU-V1H104ZFX

6

100nF, 50V Capacitor

C4–5

Panasonic

ECU-V1C105ZFX

21

µF, 16V Capacitor

C10

Panasonic

ECU-V1H101JCG

1

100pF Capacitor

5%, C0G

C11

Sanyo

6SP680M

1

680

µF, 6.3V OSCON

COUT

Sanyo

4SP820M

4

820

µF, 4V OSCON

ESR < 12m

Ω

D1

Motorola

1N4735A

1

6.2V Zener Diode

L1

Coiltronics

UP1B-1R5

Optional

1.5

µH, 4A Inductor

DCR ~ 20m

Ω

See Note 1.

L2

Coiltronics

UP4B-1R5

1

1.5

µH, 13A Inductor

DCR ~ 4m

Ω

Q1–2

Fairchild

FDS6680S

2

N-Channel MOSFET

w/ Integrated Schottky

Ω @

R1

Any

1

47

Ω

R2-3

Any

2

4.7

Ω

R4

Any

1

10K

Ω

R5-6

Any

2

499

Ω

U1

Fairchild

FAN5066M

1

DC/DC Controller

+5V

+12V

1

µF

1

µF

0.1

µF

VCCQP

VCCA

10%

10%

50%

HIDRV

LODRV

50%

50%

50%

90%

90%

VCCP

HIDRV

LODRV

GNDA

GNDD

GNDP

47

Ω

4.7

Ω

3000pF

4.7

Ω

3000pF