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参数资料
| 型号： | ATH12 |
| 英文描述： | CHOKE,AXIAL,CONFORMAL,8.2uH, 5% INDUCTIVE TOL,155 IDC, |
| 中文描述： | 6甲，3.3 - V输入非隔离宽输出调节电源模块 |
| 文件页数： | 5/14页 |
| 文件大小： | 391K |
| 代理商： | ATH12 |
Application Notes
North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 Asia (HK): 852-2437-9662
Adjusting the Output Voltage of the ATH06T033
& ATH06T05 Wide-Output Adjust Power Modules
The
V
o
Adjust
control (pin 5) sets the output voltage to a
value higher than 0.8 V. The adjustment range of the
ATH06T033 (3.3-V input) is from 0.8 V to 2.5 V
1
, and
the ATH06T05-9xx (5-V input) from 0.8 V to 3.6 V. The
adjustment method requires the addition of a single
external resistor, R
set
, that must be connected directly
between the
V
o
Adjust
and
GND
pins
2
. Table 1-1 gives
the preferred value of the external resistor for a number
of standard voltages, along with the actual output volt-
age that this resistance value provides.
For other output voltages the value of the required resistor
can either be calculated using the following formula, or
simply selected from the range of values given in Table 1-2.
Figure 1-1 shows the placement of the required resistor.
R
set
= 10 k
·
0.8 V
– 2.49 k
V
out
– 0.8 V
Figure 1-1; V
o
Adjust Resistor Placement
Notes:
1. Modules that operate from a 3.3-V input bus should
not be adjusted higher than 2.5 V.
2. Use a 0.1 W resistor. The tolerance should be 1 %, with
temperature stability of 100 ppm/°C (or better). Place
the resistor as close to the regulator as possible. Connect
the resistor directly between pins 5 and 1 using dedicated
PCB traces.
3. Never connect capacitors from
V
o
Adjust
to either
GND
or
V
out
. Any capacitance added to the
V
o
Adjust
pin will affect
the stability of the regulator.
0.800
0.825
0.850
0.875
0.900
0.925
0.950
0.975
1.000
1.025
1.050
1.075
1.100
1.125
1.150
1.175
1.200
1.225
1.250
1.275
1.300
1.325
1.350
1.375
1.400
1.425
1.450
1.475
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
Open
318 k
158 k
104 k
77.5 k
61.5 k
50.8 k
43.2 k
37.5 k
33.1 k
29.5 k
26.6 k
24.2 k
22.1 k
20.4 k
18.8 k
17.5 k
16.3 k
15.3 k
14.4 k
13.5 k
12.7 k
12.1 k
11.4 k
10.8 k
10.3 k
9.82 k
9.36 k
8.94 k
8.18 k
7.51 k
6.92 k
6.4 k
5.93 k
5.51 k
5.13 k
4.78 k
4.47 k
V
out
(Standard)
3.3 V
1
2.5 V
2 V
1.8 V
1.5 V
1.2 V
1 V
0.8 V
R
set
(Pref’d Value)
698
2.21 k
4.12 k
5.49 k
8.87 k
17.4 k
36.5 k
Open
V
out
(Actual)
3.309V
2.502 V
2.010 V
1.803 V
1.504 V
1.202 V
1.005 V
0.8 V
Table 1-1; Preferred Values of R
set
for Standard Output Voltages
ATH06T033 & ATH06T05 Series
Table 1-2; Output Voltage Set-Point Resistor Values
V
a
Req’d
R
set
V
a
Req’d
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
3.55
3.60
R
set
4.18 k
3.91 k
3.66 k
3.44 k
3.22 k
3.03 k
2.84 k
2.67 k
2.51 k
2.36 k
2.22 k
2.08 k
1.95 k
1.83 k
1.72 k
1.61 k
1.51 k
1.41 k
1.32 k
1.23 k
1.15 k
1.07 k
988
914
843
775
710
647
587
529
473
419
367
V
IN
C
100 μF
(Required)
+
C
100 μF
(Optional)
+
GND
V
OUT
R
1 %
0.1 W
PTH05050W
ATH06T05-9J
1
4
6
3
3
2
Track
V
IN
V
O
GND
Inhibit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATH12K12-9 | 制造商:ASTEC 制造商全称:Astec America, Inc 功能描述:15Amps |
| ATH12K12-9J | 功能描述:DC/DC转换器 DC-DC 1OUT 1.2V-5.5V 12A 66W 10-Pin RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| ATH12K12-9JL | 功能描述:DC/DC转换器 DC-DC 1OUT 1.2V-5.5V 12A 66W 10-Pin RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| ATH12K12-9S | 制造商:ASTEC 制造商全称:Astec America, Inc 功能描述:15Amps |
| ATH12K12-9SJ | 功能描述:DC/DC转换器 DC-DC 1OUT 1.2V-5.5V 12A 66W 10-Pin SMT RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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