參數(shù)資料
型號(hào)： 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(jì)應(yīng)用指南
文件頁(yè)數(shù)： 42/64頁(yè)
文件大?。?/td> 1056K
代理商： 21103
32
Power Supply Solutions
AMD-K6
Processor Power Supply Design
21103G/0—February 1999
Harris Semiconductor
HIP6004 and
HIP6005
The Harris HIP6004 and HIP6005 are voltage-mode controllers
with many functions pertinent to the processors in the AMD-K6
family. The HIP6004 is the heart of a standard step-down, or
buck converter. It contains a high-performance error amplifier,
a high-resolution, 5-bit digital-to-analog converter (DAC), a
programmable free-running oscillator, and a floating MOSFET
driver. This regulator can deliver up to 15A at efficiencies
greater than 80%. The VID code allows the output to be set
between 1.3 V and 2.05 V (in 50 mV increments) and between
2.1 V and 3.5 V (in 100 mV increments) with a 1% accuracy. The
HIP6004 is very similar to the HIP6005, but is targeted for buck
converters with a synchronous rectifier design. Figure 17 shows
the reference design and Table 10 on page 33 shows the bill of
materials for the HIP6004.
Figure 17.
Harris HIP6004 1.3V–3.5V Switching Power Supply Design
VID1
VID2
VID3
VID4
SS
GND
VCC
+5V
IN
VID0
+12V
IN
PGND
VSEN1
PGOOD
LGATE
UGATE
OCSET
PHASE
Q1
Q2
PWRGOOD
FB
COMP
C5-10
6x1500
μ
F
HIP6004A
L2
+
+
C4
1
μ
F
L1
C1-3
R1
V
OUT
R3
7.50k
R4
C11
C13
10pF
C12
10nF
R6
180k
R5
499k
C14
0.1
μ
F
1
μ
H
3x1500
μ
F
HUF76129
HUF76129
1.5k
3.5
μ
H
0.47
μ
F
2.43k
GND
OVP
18
2
12
14
13
17
16
1
10
9
11
19
3
7
6
5
4
8
R2
10k
U1
15
BOOT
20
RT
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