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參數資料
| 型號： | LTC3531ES6-3.3#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.46 A SWITCHING REGULATOR, PDSO6 |
| 封裝： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 705K |
| 代理商： | LTC3531ES6-3.3#PBF |
LTC3531/
LTC3531-3.3/LTC3531-3
1
3531fb
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
INPUT VOLTAGE (V)
1.5
EFFICIENCY
(%)
80
90
5.5
3531 TA01b
70
60
2.5
3.5
4.5
2
3
4
5
100
75
85
65
95
BOOST
MODE
4SW
MODE
3.3VOUT AT 100mA
BUCK
MODE
The LTC3531/LTC3531-3.3/LTC3531-3 are synchronous
buck-boost DC/DC converters that operate from input
voltages above, below or equal to the output voltage. The
topology incorporated in the ICs provides a continuous
transfer through all operating modes, making the product
ideal for single cell Li-Ion and multicell alkaline or nickel
applications. The converters operate in Burst Mode, mini-
mizing solution footprint and component count as well as
providing high conversion efciency over a wide range of
load currents.
The devices include two 0.5Ω N-channel MOSFET switches
and two P-channel switches (0.5Ω, 0.8Ω). Quiescent
current is typically 16μA, making the parts ideal for bat-
tery power applications. Other features include a <1μA
shutdown current, current limiting, thermal shutdown
and output disconnect. The parts are offered in a 6-pin
ThinSOTTM package for xed voltage versions or a 3mm ×
3mm DFN package for xed and adjustable versions.
200mA Buck-Boost
Synchronous DC/DC
Converters
■
Regulated Output with Input Above, Below or Equal
to the Output
■
Single Inductor
■
Up to 90% Efciency
■
VIN Range: 1.8V to 5.5V
■
200mA at 3.3VOUT from 3.6V Input
■
125mA at 3VOUT from 2.5V Input
■
Fixed VOUT Versions (TSOT, DFN): 3.3V, 3V
■
Adjustable VOUT Version (DFN): 2V to 5V
■
Burst Mode Operation, No External Compensation
■
Ultra Low Quiescent Current: 16μA, Shutdown
Current <1μA
■
Only 3 External Components Required
(Fixed Voltage Versions)
■
Short-Circuit Protection
■
Output Disconnect in Shutdown
■
Available in 6-Pin ThinSOT and 3mm × 3mm DFN
Packages
Efciency vs VIN
■
Handheld Instruments
■
MP3 Players
■
Handheld computers
■
PDA/GPS
SW1
SW2
SHDN
GND
VIN
VOUT
LTC3531-3.3
2.2
μF
10
μF
ON OFF
Li-Ion
10
μH
VIN
3.1V TO
4.2V
VOUT
3.3V
160mA
3531 TA01a
+
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6166527.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC3532 | 制造商:LINEAR 制造商全稱:LINEAR 功能描述:High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller |
| LTC3532EDD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Synchronous Buck-Boost DC/DC Converter |
| LTC3532EDD#PBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 10DFN 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 |
| LTC3532EDD#TRPBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 10DFN 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: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 |
| LTC3532EDD-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Synchronous Buck-Boost DC/DC Converter |
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