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參數(shù)資料
| 型號(hào)： | LTC1844ES5-1.8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 150mA, Micropower, Low Noise, VLDO Linear Regulator |
| 中文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| 封裝： | PLASTIC, MO-193, THIN, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 209K |
| 代理商： | LTC1844ES5-1.8 |
1
LTC1844 Series
1844ia
150mA, Micropower,
Low Noise, VLDO
Linear Regulator
May 2003
I
Very Low Dropout:
90mV at 150mA
30mV at 50mA (LTC1844-3.3)
I
Wide Input Voltage Range: 1.6V to 6.5V
I
Low 35
μ
A Supply Current, Even in Dropout
I
Low Noise: 30
μ
V
RMS
(10Hz to 100kHz)
I
±
1.75% Voltage Accuracy Over Temperature,
Voltage and Current Ranges
I
Fast Transient Response
I
10nA Supply Current in Shutdown
I
Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 2.8V, 3.3V
I
Adjustable Output Voltage: 1.25V to 6V
I
Output Current Limit
I
Reverse-Battery and Reverse-Current Protection
I
No Protection Diodes Needed
I
Stable with 1
μ
F Output Capacitor
I
Stable with Ceramic Capacitors
I
Short-Circuit and Thermal Overload Protection
I
Low Profile (1mm) SOT-23 Package
APPLICATIU
Fixed Voltage Low Noise, VLDO Linear Regulator
I
Bluetooth/802.11 Cards
I
PDAs and Notebook Computers
I
Portable Instruments and Battery-Powered Systems
I
Cellular Phones
FEATURES
DESCRIPTIOU
TYPICAL APPLICATIO
U
The LTC
dropout) linear regulators designed for low power/portable
applications. These regulators can operate from input
voltages as low as 1.6V. Typical output noise is only
30
μ
V
RMS
and typical dropout for the LTC1844-3.3 is just
90mV at the maximum load current of 150mA, reducing to
30mV at 50mA.
The internal P-channel MOSFET pass transistor requires
no base current, allowing the device to draw only 35
μ
A
during normal operation, independent of the dropout
voltage and load current. The quiescent current falls to a
negligible 10nA during shutdown.
Other features include high output voltage accuracy,
excellent transient response, stablity with ultralow ESR
ceramic capacitors as small as 1
μ
F, reverse-battery and
reverse-current protection, short-circuit and thermal
overload protection and output current limiting.
The LTC1844 regulators are available in a low profile
(1mm) SOT-23 (ThinSOT
TM
) package.
1844 Series are low noise VLDO
TM
(very low
, LTC and LT are registered trademarks of Linear Technology Corporation.
VLDO and ThinSOT are trademarks of Linear Technology Corporation.
Final Electrical Specifications
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
IN
SHDN
1844 TA01
1
μ
F
LTC1844-3.3
OUT
V
3.3V
V
IN
3.3V TO 6.5V
BYP
GND
0.1
μ
F
1
μ
F
OFF ON
5
4
2
3
1
LTC1844-3.3 Dropout Voltage vs Load Current
I
OUT
(mA)
0
0
D
20
40
60
80
120
100
25
50
75
100
1844 TA02
125
150
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1844ES5-2.5 | 制造商:Linear Technology 功能描述:LDO Regulator Pos 2.5V 0.15A 5-Pin TSOT-23 |
| LTC1844ES5-2.5#PBF | 制造商:Linear Technology 功能描述:LDO Regulator Pos 2.5V 0.15A 5-Pin TSOT-23 制造商:Linear Technology 功能描述:LDO FIXED 2.5V 150mA TSOT-23-5 制造商:Linear Technology 功能描述:LDO, FIXED, 2.5V, 150mA, TSOT-23-5 制造商:Linear Technology 功能描述:LDO, FIXED, 2.5V, 150mA, TSOT-23-5, Input Voltage Min:1.6V, Input Voltage Max:6. 制造商:Linear Technology 功能描述:LDO, FIXED, 2.5V, 150mA, TSOT-23-5, Input Voltage Min:1.6V, Input Voltage Max:6.5V, Output Current:150mA, Dropout Voltage Vdo:135mV, No. of Pins:5, Operating Temperature Min:-40C, Operating Temperature Max:125C , RoHS Compliant: Yes |
| LTC1844ES5-2.5#TR | 功能描述:IC REG LDO 2.5V .15A TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.3V 輸入電壓:2.5 V ~ 5.5 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.1V @ 200mA 穩(wěn)壓器數(shù)量:2 電流 - 輸出:300mA 電流 - 限制（最?。?350mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-UFQFN 供應(yīng)商設(shè)備封裝:8-MLPQ-UT（1.5x1.5） 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:1358 (CN2011-ZH PDF) 其它名稱:SC560HULCT |
| LTC1844ES5-2.5#TRM | 功能描述:IC REG LDO 2.5V .15A TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.3V 輸入電壓:2.5 V ~ 5.5 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.1V @ 200mA 穩(wěn)壓器數(shù)量:2 電流 - 輸出:300mA 電流 - 限制（最?。?350mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-UFQFN 供應(yīng)商設(shè)備封裝:8-MLPQ-UT（1.5x1.5） 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:1358 (CN2011-ZH PDF) 其它名稱:SC560HULCT |
| LTC1844ES5-2.5#TRMPBF | 功能描述:IC REG LDO 2.5V .15A TSOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:MIC5365/66 Ultra-small LDO Regulators 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.155V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最?。?200mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:4-UDFN 裸露焊盤，4-TMLF? 供應(yīng)商設(shè)備封裝:4-TMLF?（1x1） 包裝:Digi-Reel® 其它名稱:576-3192-6 |
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