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參數(shù)資料
| 型號： | TL499 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | WIDE-RANGE POWER-SUPPLY CONTROLLERS |
| 中文描述： | 寬范圍電源控制器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 114K |
| 代理商： | TL499 |
TL499A
WIDE-RANGE POWER-SUPPLY CONTROLLERS
SLVS029F – JANUARY 1984 – REVISED MAY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Internal Series-Pass and Step-Up Switching
Regulator
Output Adjustable From 2.9 V to 30 V
1-V to 10-V Input for Switching Regulator
4.5-V to 32-V Input for Series Regulator
Externally Controlled Switching Current
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)
CHIP FORM
(Y)
–20
°
C to 85
°
C
The PS package is available taped and reeled. Add the suffix R to device
type (e.g., TL499ACPSR). Chip forms are tested at 25
°
C.
TL499ACP
TL499ACPS
TL499AY
Copyright
2000, 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)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TL499AP | WIDE-RANGE POWER-SUPPLY CONTROLLERS |
| TL499APS | WIDE-RANGE POWER-SUPPLY CONTROLLERS |
| TL499AY | WIDE-RANGE POWER-SUPPLY CONTROLLERS |
| TL712D | DIFFERENTIAL COMPARATOR |
| TL712JG | DIFFERENTIAL COMPARATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL499A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:WIDE-RANGE POWER-SUPPLY CONTROLLERS |
| TL499A_06 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:WIDE-RANGE POWER-SUPPLY CONTROLLERS |
| TL499ACP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Wide Range RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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 |
| TL499ACP | 制造商:Texas Instruments 功能描述:IC CONTROLLER POWER SUPPLY |
| TL499ACP | 制造商:Texas Instruments 功能描述:PWR SPLY CONT IC WR ROLLER 8-DIP 制造商:Texas Instruments 功能描述:PWR SPLY CONT IC WR ROLLER 8-DIP; Primary Input Voltage:32V; No. of Outputs:1; Output Voltage:30V; Output Current:100mA; Voltage Regulator Case Style:DIP; No. of Pins:8; Operating Temperature Min:-20C; Operating Temperature ;RoHS Compliant: Yes |
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