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參數(shù)資料
| 型號(hào)： | TL499ACPE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING REGULATOR, PDIP8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 384K |
| 代理商： | TL499ACPE4 |
TL499A
WIDE-RANGE POWER-SUPPLY CONTROLLERS
SLVS029G – JANUARY 1984 – REVISED SEPTEMBER 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Internal Series-Pass and Step-Up Switching
Regulator
D Output Adjustable From 2.9 V to 30 V
D 1-V to 10-V Input for Switching Regulator
D 4.5-V to 32-V Input for Series Regulator
D Externally Controlled Switching Current
D No External Rectifier Required
description
The TL499A is an integrated circuit designed to provide a wide range of adjustable regulated supply voltages.
The regulated output voltage can be varied from 2.9 V to 30 V by adjusting two external resistors. When the
TL499A is ac-coupled to line power through a step-down transformer, it operates as a series dc voltage regulator
to maintain the regulated output voltage. With the addition of a battery from 1.1 V to 10 V, an inductor, a filter
capacitor, and two resistors, the TL499A operates as a step-up switching regulator during an ac-line failure.
The adjustable regulated output voltage makes the TL499A useful for a wide range of applications. Providing
backup power during an ac-line failure makes the TL499A extremely useful in microprocessor memory
applications.
The TL499AC is characterized for operation from –20
°C to 85°C.
AVAILABLE OPTIONS
TA
PLASTIC DIP
(P)
PLASTIC
SMALL-OUTLINE
(PS)
–20
°C to 85°C
TL499ACP
TL499ACPS
The PS package is available taped and reeled. Add the
suffix R to device type (e.g., TL499ACPSR).
Copyright
2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
1
2
3
4
8
7
6
5
SERIES IN1
REF
SW REG IN2
SW CURRENT CTRL
OUTPUT
GND (PWR)
SW IN
GND
P OR PS PACKAGE
(TOP VIEW)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL499ACPS | 制造商:Texas Instruments 功能描述: |
| TL499ACPSR | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Wide-Range Power- Supply Controller RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TL499ACPSRE4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Wide-Range Power- Supply Controller RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TL499ACPSRG4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Wide-Range Power Supply Controller RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TL499AP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:WIDE-RANGE POWER-SUPPLY CONTROLLERS |
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