參數(shù)資料
型號： 21103
英文描述： AMD-K6 Processor Family Thermal Solutions Application Note AMD-K6 Processor Power Supply Design Application Note
中文描述： 的AMD - K6處理器系列散熱解決方案應(yīng)用指南的AMD - K6處理器電源設(shè)計應(yīng)用指南
文件頁數(shù)： 38/64頁
文件大小： 1056K
代理商： 21103
28
Power Supply Solutions
AMD-K6
Processor Power Supply Design
21103G/0—February 1999
Cherry CS5166
The CS5166 shown in Figure 15 on page 29 is a synchronous
dual NFET buck regulator controller. It is designed to power the
core logic of the processors in the AMD-K6 family. It uses the V2
control method to achieve fast transient response and good
overall regulation. This proprietary control architecture makes
use of the ramp signal developed across the ESR of the output
capacitors. This signal is fed back to the CS5166 through two
feedback loops. The CS5166 features a 5-bit DAC with 1%
tolerance, programmable hiccup mode current limiting,
adaptive voltage positioning, and over-voltage protection. The
CS5166 buck regulators can deliver 14 A at 88% efficiency.
The CS5166 minimizes external component count, total
solution size, and cost. It operates over a 4.05V to 20V range
using either single or dual input voltage. Table 8 on page 28
shows the bill of materials for the CS5166.
Contact Information
Cherry Semiconductor Corporation
2000 South County Trail
East Greenwich, RI 02818-1530
Tel: (401) 885-3600 Fax: (401) 885-5786
www.cherry-semi.com
Table 8.
Cherry CS5166 Bill of Materials
Reference
Description
Part Number
499-717
1206B104K500NT
0805N391J500NT
10MV1200GX
RM73B2AT332J
P-510-ECT-ND
0805N102J500NT
IRL3103
FS70VSJ-03
S26-10006
S26-10006
XF0016-V04
CS5166DW16
Manufacturer
Farnell/Newark
Novacap
Novacap
Sanyo
KOA
Digi-Key
Novacap
Intern.Rectifier
Mitsubishi
Xformers
Xformers
Xformers
Cherry
C1
C3, C4, C5
C2
C7–C14
R1
R2
C6
Q1, Q2 (10 amp) N-Channel FET
Q1, Q2 (19 amp) N-Channel FET
L1 (10 amps)
L1 (10 amps)
L1 (19 amps)
U1
1
μ
F
0.1
μ
F
330 pF
1200
μ
F/10 V
3.3K, 5%, 1/8 W
510 W, 1/8 W
1000 pF
2
μ
H/10 A
2
μ
H/10 A
1.2
μ
H/19 A
CS5166
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