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參數(shù)資料
| 型號： | TL317Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-TERMINAL ADJUSTABLE REGULATORS |
| 中文描述： | 三端可調(diào)調(diào)節(jié)器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 120K |
| 代理商： | TL317Y |
TL317
3-TERMINAL ADJUSTABLE REGULATORS
SLVS004C – APRIL 1979 – REVISED JULY 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Output Voltage Range Adjustable From
1.2 V to 32 V When Used With an External
Resistor Divider
Output Current Capability of 100 mA
Input Regulation Typically 0.01% Per
Input-Voltage Change
Output Regulation Typically 0.5%
Ripple Rejection Typically 80 dB
description
The TL317 is an adjustable three-terminal
positive-voltage regulator capable of supplying
100 mA over an output-voltage range of 1.2 V to
32 V. It is exceptionally easy to use and requires
only two external resistors to set the output
voltage.
In addition to higher performance than fixed
regulators, this regulator offers full overload
protection available only in integrated circuits. Included on the chip are current-limiting and thermal-overload
protection. All overload-protection circuitry remains fully functional, even when ADJUSTMENT is disconnected.
Normally, no capacitors are needed unless the device is situated far from the input filter capacitors, in which
case an input bypass is needed. An optional output capacitor can be added to improve transient response.
ADJUSTMENT can be bypassed to achieve very high ripple rejection, which is difficult to achieve with standard
three-terminal regulators.
In addition to replacing fixed regulators, the TL317 regulator is useful in a wide variety of other applications.
Since the regulator is floating and sees only the input-to-output differential voltage, supplies of several hundred
volts can be regulated as long as the maximum input-to-output differential is not exceeded. Its primary
application is that of a programmable output regulator, but by connecting a fixed resistor between
ADJUSTMENT and OUTPUT, this device can be used as a precision current regulator. Supplies with electronic
shutdown can be achieved by clamping ADJUSTMENT to ground, programming the output to 1.2 V, where most
loads draw little current.
The TL317C is characterized for operation over the virtual junction temperature range of 0
°
C to 125
°
C.
AVAILABLE OPTIONS
PACKAGED DEVICES
CHIP
FORM
(Y)
TJ
SMALL
OUTLINE
(D)
PLASTIC
(LP)
0
°
C to 125
°
C
The D and LP packages are available taped and reeled. Add
the suffix R to device type (e.g., TL317CDR). Chip forms are
tested at 25
°
C.
TL317CD
TL317CLP
TL317Y
Copyright
1999, 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
INPUT
OUTPUT
OUTPUT
ADJUSTMENT
NC
OUTPUT
OUTPUT
NC
D PACKAGE
(TOP VIEW)
LP PACKAGE
(TOP VIEW)
NC – No internal connection
OUTPUT terminals are all internally connected.
INPUT
OUTPUT
ADJUSTMENT
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| TL3200AF160BRQ | 制造商:E-Switch Inc 功能描述:SWITCH TACTILE ILLUMINATED |
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