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參數資料
| 型號： | TLV1117-50CKCS |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | ADJUSTABLE AND FIXED LOW DROPOUT VOLTAGE REGULATORS |
| 中文描述： | 可調和固定低壓降穩壓器 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 503K |
| 代理商： | TLV1117-50CKCS |
SLVS561A DECEMBER 2004 – REVISED MARCH 2005
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V, and Adjustable
Output Voltage Options
Output Current of 800 mA
Operates Down to 1.1-V Dropout
Specified Dropout Voltage at Multiple
Current Levels
0.2% Line Regulation Maximum
0.4% Load Regulation Maximum
INPUT
ADJ/GND
KTP (PowerFLEX /TO-252) PACKAGE
(TOP VIEW)
OUTPUT
DCY (SOT-223) PACKAGE
(TOP VIEW)
INPUT
OUTPUT
ADJ/GND
KTT (TO-263) PACKAGE
(TOP VIEW)
OUTPUT
INPUT
ADJ/GND
O
O
O
OUTPUT
ADJ/GND
INPUT
KCS (TO-220) PACKAGE
(TOP VIEW)
O
KTE (PowerFLEX ) PACKAGE
(TOP VIEW)
IN
OUT
ADJ/GND
O
DRJ (QFN) PACKAGE
(TOP VIEW)
V
OUT
ADJ
2
3
4
1
8
7
6
5
V
IN
V
IN
V
IN
V
OUT
V
OUT
NC
VIN pins (2, 3, 4) must be connected together.
VOUT pins (5, 6, 7) must be connected together.
V
OUT
description/ordering information
The TLV1117 is a positive low-dropout voltage regulator, designed to provide up to 800 mA of output current.
The device is available in 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V, and adjustable output voltage options. All internal circuitry
is designed to operate down to 1-V input-to-output differential. Dropout voltage is specified at a maximum of
1.3 V at 800 mA, decreasing at lower load currents.
The low-profile surface-mount KTP package allows the device to be used in applications where space is limited.
The TLV1117 requires a minimum of 10 F of output capacitance for stability. Output capacitors of this size or
larger normally are included in most regulator designs.
Unlike pnp-type regulators, where up to 10% of the output current is wasted as quiescent current, the quiescent
current of the TLV1117 flows into the load, increasing efficiency.
The TLV1117C device is characterized for operation over the virtual junction temperature range of 0
°
C to 125
°
C,
and the TLV1117I device is characterized for operation over the virtual junction temperature range of 40
°
C to
125
°
C.
Copyright
2005, Texas Instruments Incorporated
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.
PowerFLEX is a trademark of Texas Instruments.
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