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參數(shù)資料
| 型號(hào)： | PTH12050YAZT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, DIP-6 |
| 文件頁(yè)數(shù)： | 15/18頁(yè) |
| 文件大?。?/td> | 1004K |
| 代理商： | PTH12050YAZT |
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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 PTH03050Y & PTH05050Y DDR POWER MODULES
Input Capacitor
Output Capacitors
PTH03050Y
PTH05050Y
PTH12050Y
SLTS221A–MARCH 2004–REVISED OCTOBER 2005
(3.3-V/5-V OPTION)
The recommended input capacitor(s) is determined by the 220 F minimum capacitance and 500 mArms
minimum ripple current rating.
Ripple current and less than 100 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 (8 m using the
manufacturer's maximum ESR for a single capacitor). A list of preferred low-ESR type capacitors are identified in
Table 1.
6
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| PTH12060 | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:DC/DC CONVERTERS POLA Non-isolated |
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| PTH12060LAD | 功能描述:DC/DC轉(zhuǎn)換器 10.8-13.2Vin 1.8V 6A 0.995" x0.620"x0.354 RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH12060LAH | 功能描述:DC/DC轉(zhuǎn)換器 0.8 to 1.8V 10A 12V Input WideAdj Module RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH12060LAHT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-A, 12-V INPUT NON-ISOLATED WIDE-OUTPUT ADJUST POWER MODULE |
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