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参数资料
| 型号： | PTN78060WAD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 45 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, DIP-7 |
| 文件页数： | 11/28页 |
| 文件大小： | 1948K |
| 代理商： | PTN78060WAD |
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t - Time = 5 ms/div
VO (2 V/div)
II (1 A/div)
Q1 VGS (10 V/div)
Optional Input/Output Filters
Input/Output Capacitors
# See
section for suggested value and type.
Application Information
* See specifications for required value and type. For PTN78060H, C2 is equal to 3 x 4.7 F.
m
GND
PTN78060W
1
4
6
2
3
Adjust
GND
VO
VI
VO
Inhibit
7
5
Sense
+
C1
1 F
m
50 V
Ceramic
RSET
C3
#
100 F
m
(Required)
C2*
2.2 F
m
50 V
Ceramic
(Required)
C4
1 F
m
Ceramic
PTN78060W, PTN78060H
SLTS229A – NOVEMBER 2004 – REVISED APRIL 2005
Figure 31. Power-Up Response From Inhibit Control
Power modules include internal input and output ceramic capacitors in all of their designs. However, some
applications require much lower levels of either input reflected or output ripple/noise. This application describes
various filters and design techniques found to be successful in reducing both input and output ripple/noise.
The easiest way to reduce output ripple and noise is to add one or more 1-F ceramic capacitors, such as C4
shown in Figure 32. Ceramic capacitors should be placed close to the output power terminals. A single 1-F
capacitor reduces the output ripple/noise by 10% to 30% for modules with a rated output current of less than 3 A.
(Note: C3 is recommended to improve the regulators transient response, and does not reduce output ripple and
noise.)
Switching regulators draw current from the input line in pulses at their operating frequency. The amount of
reflected (input) ripple/noise generated is directly proportional to the equivalent source impedance of the power
source including the impedance of any input lines. The addition of C1, minimum 1-F ceramic capacitor, near the
input power pins, reduces reflected conducted ripple/noise by up to 20%.
Figure 32. Adding High-Frequency Bypass Capacitors To The Input and Output
19
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相关代理商/技术参数 |
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|---|---|
| PTN78060WAH | 功能描述:DC/DC转换器 3-A Wide-Input Adj Swtch Reg Mod 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: |
| PTN78060WAH | 制造商:Texas Instruments 功能描述:IC SWITCHING REG 3A ADJ 8060 制造商:Texas Instruments 功能描述:IC, SWITCHING REG 3A ADJ, 8060 制造商:Texas Instruments 功能描述:IC, SWITCHING REG 3A ADJ, 8060; Primary Input Voltage:36V; No. of Outputs:1; Output Voltage:12.6V; Output Current:3A; Voltage Regulator Case Style:SIP Module; No. of Pins:7; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
| PTN78060WAS | 功能描述:DC/DC转换器 3-A Wide-Input Adj Swtch Reg Mod 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: |
| PTN78060WAST | 功能描述:DC/DC转换器 3-A Wide-Input Adj Swtch Reg Mod 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: |
| PTN78060WAZ | 功能描述:DC/DC转换器 3-A Wide-Input Adj Swtch Reg Mod 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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