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参数资料
| 型号： | PTH03060YAZT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, DIP-10 |
| 文件页数： | 17/19页 |
| 文件大小： | 823K |
| 代理商： | PTH03060YAZT |
www.ti.com
APPLICATION INFORMATION
Typical DDR Application Diagram
Inhibit
+
DDRII/
QDRII
PTH05010W
VDDQ I/O Memory
Inhibit
+
PTH05050Y
DDR Termination
+
2 ×
330 F
2 ×
22 F
2 ×
330 F
2 ×
22 F
+Sense
Margin ±
Auto-Track
VI
+VADJ
1 k
VI= 5V
220 F
47 F
470 F
47 F
5.51 k
VO
+VREF
VI
UDG05096
VTT
VTT = 0.9 V
VDDQ = 1.8 V
CAPACITOR RECOMMENDATIONS FOR THE PTH03060Y AND PTH05060Y DDR POWER
Input Capacitor
Output Capacitors
PTH03060Y
PTH05060Y, PTH12060Y
SLTS222A–MARCH 2004–REVISED OCTOBER 2005
MODULES (3.3-V/5-V OPTION)
The recommended input capacitor(s) is determined by the 330 F(1) minimum capacitance and 300 mArms
minimum ripple current rating.
Ripple current and less than 160 m equivalent series resistance (ESR) values are the major considerations,
along with temperature, when designing with different types of capacitors. Unlike polymer tantalum, regular
tantalum capacitors have a recommended minimum voltage rating of 2 × (maximum DC voltage + AC ripple).
This is standard practice to insure reliability.
For improved ripple reduction on the input bus, ceramic capacitors may be substituted for electrolytic types using
the minimum required capacitance.
For applications with load transients (sudden changes in load current), regulator response will benefit from
external output capacitance. The recommended output capacitance of 470 F will allow the module to meet its
transient response specification (see Electrical Specifications table). For most applications, a high quality
computer-grade aluminum electrolytic capacitor is adequate. These capacitors provide decoupling over the
frequency range, 2 kHz to 150 kHz, and are suitable when ambient temperatures are above 0°C. For operation
below 0°C tantalum, ceramic or Os-Con type capacitors are recommended. When using one or more
non-ceramic capacitors, the calculated equivalent ESR should be no lower than 4 m (7 m using the
manufacturer's maximum ESR for a single capacitor). A list of preferred low-ESR type capacitors are identified in
Table 1.
7
相关PDF资料 |
PDF描述 |
|---|---|
| PTH05060YAST | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH05060YAZ | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH03060YAST | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH12060YAST | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH12060YAZ | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PTH03060YBH | 制造商:Texas Instruments 功能描述: |
| PTH04000W | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-A, 3.3/5-V INPUT, ADJUSTABLE SWITCHING REGULATOR |
| PTH04000WAH | 功能描述:DC/DC转换器 3A 3.3/5V Input Adj Switching Regulator 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: |
| PTH04000WAH | 制造商:Texas Instruments 功能描述:IC MODULE PIP .9-3.6V 3A HORZ T/H 制造商:Texas Instruments 功能描述:IC, MODULE PIP .9-3.6V 3A HORZ T/H 制造商:Texas Instruments 功能描述:IC, MODULE PIP .9-3.6V 3A HORZ T/H; Primary Input Voltage:5.5V; No. of Outputs:1; Output Voltage:3.6V; Output Current:3A; Voltage Regulator Case Style:Thru Hole Module; No. of Pins:6; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes |
| PTH04000WAS | 功能描述:DC/DC转换器 3A 3.3/5V Input Adj Switching Regulator 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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