参数资料
型号: PTN78060WAH
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 5.5 A SWITCHING REGULATOR, 660 kHz SWITCHING FREQ-MAX, DMA10
文件页数: 3/24页
文件大小: 1871K
代理商: PTN78060WAH
www.ti.com
GND
Inhibit
GND
PTN78060W
1
4
6
2
3
Adjust
GND GND
VO
VI
VO
Inhibit
7
5
Sense
+
C
I
2.2 F
m
Ceramic
RSET
0.05 W
1%
C
100 F
O
m
PTN78060W, PTN78060H
SLTS229A – NOVEMBER 2004 – REVISED APRIL 2005
(1)
A 0.05-W rated resistor may be used. The tolerance should be 1%, with a temperature stability of 100 ppm/
°C (or
better). Place the resistor as close to the regulator as possible. Connect the resistor directly between pins 4 and 7
using dedicated PCB traces.
(2)
Never connect capacitors from VO Adjust to either GND or VO. Any capacitance added to the VO Adjust pin affects the
stability of the regulator.
Figure 27. PTN78060W VO Adjust Resistor Placement
Table 3. PTN78060W Output Voltage Set-Point Resistor Values
VO
RSET
VO
RSET
VO
RSET
VO
RSET
2.50 V
Open
3.7 V
50.7 k
6.1 V
12.6 k
9.0 V
4.07 k
2.55 V
1.37 M
3.8 V
46.3 k
6.2 V
12.1 k
9.2 V
3.75 k
2.60 V
680 k
3.9 V
42.5 k
6.3 V
11.6 k
9.4 V
3.46 k
2.65 V
451 k
4.0 V
39.3 k
6.4 V
11.1 k
9.6 V
3.18 k
2.70 V
337 k
4.1 V
36.4 k
6.5 V
10.7 k
9.8 V
2.91 k
2.75 V
268 k
4.2 V
33.9 k
6.6 V
10.2 k
10.0 V
2.66 k
2.80 V
222 k
4.3 V
31.6 k
6.7 V
9.85 k
10.2 V
2.42 k
2.85 V
190 k
4.4 V
29.6 k
6.8 V
9.47 k
10.4 V
2.20 k
2.90 V
165 k
4.5 V
27.8 k
6.9 V
9.11 k
10.6 V
1.98 k
2.95 V
146 k
4.6 V
26.2 k
7.0 V
8.76 k
10.8 V
1.78 k
3.00 V
131 k
4.7 V
24.7 k
7.1 V
8.43 k
11.0 V
1.58 k
3.05 V
118 k
4.8 V
23.3 k
7.2 V
8.11 k
11.2 V
1.40 k
3.10 V
108 k
4.9 V
22.1 k
7.3 V
7.81 k
11.4 V
1.22 k
3.15 V
99.1 k
5.0 V
21.0 k
7.4 V
7.52 k
11.6 V
1.05 k
3.20 V
91.5 k
5.1 V
19.9 k
7.5 V
7.24 k
11.8 V
889
3.25 V
85.0 k
5.2 V
18.9 k
7.6 V
6.97 k
12.0 V
734
3.30 V
79.3 k
5.3 V
18.0 k
7.7 V
6.71 k
12.2 V
585
3.35 V
74.2 k
5.4 V
17.2 k
7.8 V
6.46 k
12.4 V
442
3.40 V
69.8 k
5.5 V
16.4 k
7.9 V
6.22 k
12.6 V
305
3.45 V
65.7 k
5.6 V
15.6 k
8.0 V
5.99 k
3.50 V
62.1 k
5.7 V
15.0 k
8.2 V
5.55 k
3.55 V
58.9 k
5.8 V
14.3 k
8.4 V
5.14 k
3.60 V
55.9 k
5.9 V
13.7 k
8.6 V
4.76 k
3.65 V
53.2 k
6.0 V
13.1 k
8.8 V
4.40 k
11
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