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參數資料
| 型號： | TL496 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 9-V Power-Supply Control Circuit(9V電源控制器) |
| 中文描述： | 9 - V電源控制電路（9伏電源控制器） |
| 文件頁數： | 1/7頁 |
| 文件大小： | 138K |
| 代理商： | TL496 |
TL496C, TL496Y
9-V POWER-SUPPLY CONTROLLERS
SLVS012B – AUGUST 1978 – REVISED AUGUST 1995
Copyright
1995, Texas Instruments Incorporated
4–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Internal Step-Up Switching Regulator
Fixed 9-V Output
Charges Battery Source During
Transformer-Coupled-Input Operation
Minimum External Components Required
(1 Inductor, 1 Capacitor, 1 Diode)
1- or 2-Cell-Input Operation
description
The TL496C power-supply control circuit is designed to provide a 9-V regulated supply from a variety of input
sources. Operable from a 1- or 2-cell battery input, the TL496C performs as a switching regulator with the
addition of a single inductor and filter capacitor. When ac coupled with a step-down transformer, the TL496C
operates as a series regulator to maintain the regulated output voltage and, with the addition of a single catch
diode, time shares to recharge the input batteries.
The design of the TL496C allows minimal supply current drain during standby operation (125
μ
A typical). With
most battery sources, this allows a constant bias to be maintained on the power supply. This makes power
instantly available to the system, thus eliminating power-up sequencing problems.
AVAILABLE OPTIONS
PACKAGED DEVICES
SURFACE MOUNT
(D)
TL496CD
TA
CHIP
FORM
(Y)
PLASTIC DIP
(P)
TL496CP
0
°
C to 70
°
C
TL496Y
functional block diagram
Switching
Voltage
Regulator
Control
9-V
Series
Regulator
2
2C INPUT
T INPUT
1C INPUT
3
4
GND
GND
5
7
See Note 1
OUTPUT
FEEDBACK
SW
1
6
8
NOTE 1: Terminals 5 and 7, though connected together internally, must both be terminated to ground to ensure proper circuit operation.
1
2
3
4
8
7
6
5
FEEDBACK
2C INPUT
1C INPUT
T INPUT
OUTPUT
GND
SW
GND
D OR P PACKAGE
(TOP VIEW)
Terminals 5 and 7 are connected together internally.
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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TL496C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-V POWER-SUPPLY CONTROLLERS |
| TL496CD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-V POWER-SUPPLY CONTROLLERS |
| TL496CP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-V POWER-SUPPLY CONTROLLERS |
| TL496Y | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-V POWER-SUPPLY CONTROLLERS |
| TL497 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWITCHING VOLTAGE REGULATORS |
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