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參數(shù)資料
| 型號： | PT6983 |
| 英文描述： | XPHASE VRD10 Control IC with VccVid and Overtemp Detect; Similar to IR3080M with Lead Free Packaging |
| 中文描述： | 3.3V/1.8V。 9.5A 12V的輸入雙輸出ISR的 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 271K |
| 代理商： | PT6983 |
For technical support and more information, see inside back cover or visit www.ti.com
Table 1: Input/Output Capacitors
N/R –Not recommended. The voltage rating does not meet the minimin operating limits.
Capacitor Recommendations for
the
Dual-Output PT6980 Regulator Series
Input Capacitors:
The recommended input capacitance is determined by 1.0
ampere minimum ripple current rating and 330μF minimum
capacitance . Ripple current and <100m
equivalent se-
ries resistance (ESR) values are the major considerations,
along with temperature, when designing with different
types of capacitors. Tantalum capacitors have a recommended
minimum voltage rating of 2
×
the maximum DC voltage +
AC ripple. This is necessary to insure reliability for input
voltage bus applications
Output Capacitors: C
2
(Required), C
3
(Optional)
The ESR of the required capacitor (C
2
) must not be greater
than 50m
. Electrolytic capacitors have poor ripple per-
formance at frequencies greater than 400kHz but excellent
low frequency transient response. Above the ripple fre-
quency, ceramic capacitors are necessary to improve the
transient response and reduce any high frequency noise
components apparent during higher current excursions.
Preferred low ESR type capacitor part numbers are identified
in Table 1. The optional 100μF capacitor (C
3
) for V
2
out can
have an ESR of up to 200m
for optimum performance
and ripple reduction.
(Note: Vendor part numbers for the
optional capacitor, C
3
, are not identified in the table. Use the
same series selected for C
2
)
PT6980 Series
Tantalum Capacitors
Tantalum type capacitors may be used at the output, but
only the AVX TPS series, Sprague 593D/594/595 series,
or Kemet T495/T510 series. The AVX TPS series, Kemet
or Sprague series tantalums are recommended over many
other types due to their higher rated surge, power dissipation,
and ripple current capability. As a caution, the TAJ series
by AVX is not recommended. This series has considerably
higher ESR, reduced power dissipation and lower ripple
current capability. The TAJ Series is also less reliable than
the AVX TPS series when determining power dissipation
capability. Tantalum or Oscon types are recommended
for applications where ambient temperatures fall below 0°C.
Capacitor Table
Table 1 identifies the characteristics of capacitors from a
number of vendors with acceptable ESR and ripple current
(rms) ratings. The number of capacitors required at both the
input and output buses is identified for each capacitor type.
This is not an extensive capacitor list. Capacitors from other
vendors are available with comparable specifications. Those listed
are for guidance. The RMS ripple current rating and ESR
(Equivalent Series Resistance at 100kHz) are critical parameters
necessary to insure both optimum regulator performance and
long capacitor life.
Application Notes
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相關PDF資料 |
PDF描述 |
|---|---|
| PT6984 | XPHASE VRD10 Control IC with VccVid and Overtemp Detect; Same as IR3080 with Tape and Reel packaging |
| PT6985 | 2.5V/1.2V. 9A 12V-Input Dual Output ISR |
| PT7671 | Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 0.6us Deadtime in a 8-pin DIP package and differenct phase; A IR21531 with Standard Packaging |
| PT7673 | Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 0.6us Deadtime in a 8-pin DIP package and differenct phase; Similar to IR21531D with Lead Free Packaging |
| PT7675 | Ballast Control, Below Resonance Protection, Thermal Overload Protection, Protection from Failure to Strike, Programmable Preheat Time and Run Frequency, Programmable Deadtime, Automatic Restart for Lamp Exchange in a 16-pin DIP package; A IR21571 with Standard Packaging |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT6983A | 功能描述:開關變換器、穩(wěn)壓器與控制器 3.3V/1.8V 9.5A 12V-In Dual Otpt ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PT6983C | 功能描述:開關變換器、穩(wěn)壓器與控制器 3.3V/1.8V 9.5A 12V-In Dual Otpt ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PT6983N | 功能描述:DC/DC轉換器 3.3V/1.8V 9.5A 12V-In Dual Otpt ISR RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PT6984 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3.3V/1.2V. 8.6A 12V-Input Dual Output ISR |
| PT6984A | 功能描述:REGULATOR 3.3/1.2V 12VIN HORZ RoHS:是 類別:電源 - 板載 >> DC DC Converters 系列:PT6980 設計資源:Maxi/Mini/Micro Design Guide, Appl Manual 標準包裝:1 系列:Maxi 類型:隔離 輸出數(shù):1 電壓 - 輸入（最?。?43V 電壓 - 輸入（最大）:110V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:400W 電壓 - 隔離:* 特點:* 安裝類型:通孔 封裝/外殼:模塊 尺寸/尺寸:4.60" L x 2.20" W x 0.54" H（116.8mm x 55.9mm x 13.7mm） 包裝:散裝 工作溫度:-55°C ~ 100°C 效率:* 電源（瓦特）- 最大:* |
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