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| 型号： | PT5407N |
| 厂商： | Texas Instruments |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | REG SW 5/3.3VIN 1.0V 6A HORZ |
| 标准包装： | 30 |
| 系列： | PT5400 |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 3.1V |
| 电压 - 输入（最大）： | 5.5V |
| Voltage - Output 1： | 1V |
| 电流 - 输出（最大）： | 5.5A |
| 电源（瓦） - 制造商系列： | 5W |
| 安装类型： | 通孔，直角 |
| 封装/外壳： | 5-SIP 模块 |
| 尺寸/尺寸： | 0.90" L x 0.48" W x 0.95" H（22.9mm x 12.2mm x 24.1mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 80% |
| 电源（瓦特）- 最大： | 5.5W |
Application Notes
PT5400 Series
Adjusting the Output Voltage of the PT5400
Series of 6-A SWIFT ? Power Modules
The output voltage of the PT5400 series of SWIFT power
modules may be adjusted higher or lower than the factory
trimmed pre-set voltage with the addition of a single
external resistor. Table 4-1 gives the allowable adjustment
range for each model of the series as V a (min) and V a (max).
The values of (R 1 ) [adjust down], and R 2 [adjust up],
can either be calculated using the following formulas, or
may be looked up from the range of values in Table 4-2.
Refer to Figure 4-1 for the placement of the required
resistor; either (R 1 ) or R 2 as appropriate.
Adjust Up: An increase in the output voltage is obtained by
adding a resistor R 2 , between pin 5 (V o adj) and pin 3 (GND).
(R 1 )
=
R o (V a – 0.891)
V o – V a
– 18.2
k ?
Adjust Down:
pin 4 (V out ).
Add a resistor (R 1 ) , between pin 5 (V o adj) and
R 2
=
0.891 R o
V a – V o
– 18.2
k ?
Where:
V o = Original output voltage
V a
= Adjusted output voltage
Figure 4-1
Notes:
R o = The resistance value from Table 4-1
+ V IN
2
V in
PT5400
Vo
4
+ V O
1. Use a 1% (or better) tolerance resistor in either the (R 1 )
or R 2 location. Place the resistor as close to the ISR as
GND
3
V o(adj)
5
(R1)
possible.
2. Never connect capacitors from V o adj to either GND or
V out . Any capacitance added to the V o adjust pin will affect
C2
100 μ F
(Req'd)
COM
+
Adj Down
R2
Adjust Up
COM
the stability of the ISR.
3. For each model, adjustments to the output voltage may
place additional limits on the minimum input voltage. The
revised minimum input voltage must comply with the
following requirement.
V in (min) = (V a + 1.1) V or as specified in the data sheet,
whichever is greater.
4. The PT5408 operates only from a 3.3-V input bus.
The limited input to output voltage differential of this
model does not allow it to be adjusted higher than its
trimmed output voltage.
Table 4-1
ISR OUTPUT VOLTAGE ADJUSTMENT RANGE AND FORMULA PARAMETERS
Series Pt. No. PT5401 PT5402 PT5408 PT5403
PT5404
PT5405
PT5406
PT5407
Input Bus
Vo (nom)
Va (min)
Va (max)
Ro (k ? )
5V
3.3 V
2.9 V
3.5 V
10.2
5V
2.5 V
2.0 V
2.95 V
10.2
3.3 V 4
2.5 V
2.0 V
2.5 V 4
10.2
3.3/5 V
2V
1.65 V
2.45 V
10.0
3.3/5 V
1.8 V
1.5 V
2.25 V
10.0
3.3/5 V
1.5 V
1.3 V
1.95 V
10.2
3.3/5 V
1.2 V
1.1 V
1.65 V
9.76
3.3/5 V
1V
0.97 V
1.45 V
10.2
For technical support and further information, visit http://power.ti.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PT5408 | 制造商:TI 制造商全称:Texas Instruments 功能描述:6-A 5-V/3.3-V Input Adjustable SWIFT Power Module |
| PT5408A | 功能描述:DC/DC转换器 2.5V 6A 3.3V Input Adj SWIFT Module 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: |
| PT5408C | 功能描述:DC/DC转换器 2.5V 6A 3.3V Input Adj SWIFT Module 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: |
| PT5408N | 功能描述:DC/DC转换器 2.5V 6A 3.3V Input Adj SWIFT Module 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: |
| PT5410 | 制造商:Pulse Electronics Corporation 功能描述:- Bulk |
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