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參數資料
型號: LT1054CJ8#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩壓器
英文描述: SWITCHED CAPACITOR REGULATOR, 40 kHz SWITCHING FREQ-MAX, CDSO8
封裝: 0.300 INCH, LEAD FREE, HERMETIC SEALED, CERAMIC, DIP-8
文件頁數: 1/16頁
文件大小: 264K
代理商: LT1054CJ8#PBF
LT1054/LT1054L
1
1954lfg
BLOCK DIAGRAM
FEATURES
DESCRIPTION
Switched-Capacitor Voltage
Converter with Regulator
The LT1054 is a monolithic, bipolar, switched-capacitor
voltage converter and regulator. The LT1054 provides
higher output current than previously available converters
with significantly lower voltage losses. An adaptive switch
driver scheme optimizes efficiency over a wide range of
output currents. Total voltage loss at 100mA output current
is typically 1.1V. This holds true over the full supply voltage
range of 3.5V to 15V. Quiescent current is typically 2.5mA.
The LT1054 also provides regulation, a feature not previ-
ouslyavailableinswitched-capacitorvoltageconverters.By
adding an external resistive divider a regulated output can
be obtained. This output will be regulated against changes
in both input voltage and output current. The LT1054 can
also be shut down by grounding the feedback pin. Supply
current in shutdown is less than 100A.
The internal oscillator of the LT1054 runs at a nominal
frequency of 25kHz. The oscillator pin can be used to ad-
just the switching frequency or to externally synchronize
the LT1054.
The LT1054 is pin compatible with previous converters
such the LTC1044/ICL7660.
LT1054/LT1054 Voltage Loss
APPLICATIONS
Output Current: 100mA (LT1054)
125mA (LT1054L)
Reference and Error Amplifier for Regulation
Low Loss: 1.1V at 100mA
Operating Range:3.5V to 15V (LT1054)
3.5V to 7V (LT1054L)
External Shutdown
External Oscillator Synchronization
Can Be Paralleled
Pin Compatible with the LTC1044/ICL7660
Available in SW16 and SO-8 Packages
Voltage Inverter
Voltage Regulator
Negative Voltage Doubler
Positive Voltage Doubler
L
, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
REFERENCE
OSC
DRIVE
OSC
CAP
GND
CAP+
FEEDBACK/
SHUTDOWN
+
R
*EXTERNAL CAPACITORS
2.5V
6
1
4
3
–VOUT
LT1054 BD
5
2
8
7
Q
VREF
CIN*
VIN
COUT*
+
OUTPUT CURRENT (mA)
0
VOLTAGE
LOSS
(V)
1
2
50
1054 TA01
0
25
75
100
125
TJ = 125°C
TJ = 25°C
TJ = –55°C
LT1054
LT1054L
3.5V ≤ VIN ≤ 15V (LT1054)
3.5V ≤ VIN ≤ 7V (LT1054L)
CIN = COUT = 100F
INDICATES GUARANTEED
TEST POINT
相關PDF資料
PDF描述
LM1501-7PV2H 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
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相關代理商/技術參數
參數描述
LT1054CN8 功能描述:IC REG SWITCHED CAP DBL INV 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調式 輸出數:1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應商設備封裝:8-SOIC
LT1054CN8#PBF 功能描述:IC REG SWITCHED CAP DBL INV 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 標準包裝:250 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數: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: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) 供應商設備封裝:6-SON(1.45x1) 產品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2
LT1054CN8PBF 制造商:Linear Technology 功能描述:DC-DC converter,LT1054CN8 -Vin/2Vin 20mA
LT1054CP 功能描述:電荷泵 Bipolar Regulated V RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
LT1054CP 制造商:Texas Instruments 功能描述:DC/DC Charge Pump Converter IC
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