參數(shù)資料
型號： LT1054CPE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHED CAPACITOR REGULATOR, 35 kHz SWITCHING FREQ-MAX, PDIP8
封裝： ROHS COMPLIANT, PLASTIC, DIP-8
文件頁數(shù)： 1/30頁
文件大?。?/td> 607K
代理商： LT1054CPE4
LT1054
SWITCHED-CAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F FEBRUARY 1990 REVISED NOVEMBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Output Current . . . 100 mA
D Low Loss . . . 1.1 V at 100 mA
D Operating Range ...3.5 V to 15 V
D Reference and Error Amplifier for
Regulation
D External Shutdown
D External Oscillator Synchronization
D Devices Can Be Paralleled
D Pin-to-Pin Compatible With the
LTC1044/7660
description/ordering information
The LT1054 is a bipolar, switched-capacitor
voltage converter with regulator. It provides higher
output current and significantly lower voltage
losses than previously available converters. An
adaptive-switch
drive
scheme
optimizes
efficiency over a wide range of output currents.
Total voltage drop at 100-mA output current
typically is 1.1 V. This applies to the full
supply-voltage range of 3.5 V to 15 V. Quiescent
current typically is 2.5 mA.
The LT1054 also provides regulation, a feature previously not available in switched-capacitor voltage
converters. By adding an external resistive divider, a regulated output can be obtained. This output is regulated
against changes in both input voltage and output current. The LT1054 also can be shut down by grounding the
feedback terminal. Supply current in shutdown typically is 100
μA.
The internal oscillator of the LT1054 runs at a nominal frequency of 25 kHz. The oscillator terminal can be used
to adjust the switching frequency or to externally synchronize the LT1054.
The LT1054C is characterized for operation over a free-air temperature range of 0
°C to 70°C. The LT1054I is
characterized for operation over a free-air temperature range of 40
°C to 85°C.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP (P)
Tube of 50
LT1054IP
40
°C to 85°C
SOIC (DW)
Tube of 40
LT1054IDW
LT1054I
40 C to 85 C
SOIC (DW)
Reel of 2000
LT1054IDWR
LT1054I
PDIP (P)
Tube of 50
LT1054CP
0
°C to 70°C
SOIC (DW)
Tube of 40
LT1054CDW
LT1054C
SOIC (DW)
Reel of 2000
LT1054CDWR
LT1054C
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2004, 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.
DW PACKAGE
(TOP VIEW)
P PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
FB/SD
CAP+
GND
CAP
VCC
OSC
VREF
VOUT
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
FB/SD
CAP+
GND
CAP
NC
VCC
OSC
VREF
VOUT
NC
NC No internal connection
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1054CS8 功能描述:IC REG SWITCHD CAP DBL INV 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT1054CS8#PBF 功能描述:IC REG SWITCHD CAP DBL INV 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2
LT1054CS8#TR 功能描述:IC REG SWITCHD CAP DBL INV 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT1054CS8#TRPBF 功能描述:IC REG SWITCHD CAP DBL INV 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT1054CS8PBF 制造商:Linear Technology 功能描述:Charge-Pump with Regulator 100mA SOIC8
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