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參數資料
型號: LTC3533EDETRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩壓器
英文描述: 7 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO14
封裝: 4 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WGED-3, DFN-14
文件頁數: 1/16頁
文件大小: 313K
代理商: LTC3533EDETRPBF
LTC3533
1
3533f
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
2A Wide Input Voltage
Synchronous Buck-Boost
DC/DC Converter
The LTC3533 is a wide VIN range, highly efcient, xed
frequency, buck-boost DC/DC converter that operates
from input voltages above, below or equal to the output
voltage. The topology incorporated in the IC provides a
continuous transfer function through all operating modes,
making the product ideal for single cell lithium-ion/polymer
or multi-cell alkaline/NiMH applications where the output
voltage is within the input voltage range.
The LTC3533 features programmable Burst Mode opera-
tion, extended VIN and VOUT ranges down to 1.8V, and
increased output current. Switching frequencies up to
2MHz are programmed with an external resistor. The Burst
Mode threshold is programmed with a single resistor from
the BURST pin to GND.
Other features include 1A shutdown current, short
circuit protection, programmable soft-start, current limit
and thermal shutdown. The LTC3533 is housed in the
thermally enhanced 14-lead (3mm
× 4mm × 0.75mm)
DFN package.
Efciency
Regulated Output with Input Voltages Above,
Below or Equal to the Output
1.8V to 5.5V (Input) and 5.25V (Output)
Voltage Range
0.8A Continuous Output Current: VIN > 1.8V
2A Continuous Output Current: VIN > 3V
Single Inductor
Synchronous Rectication: Up to 96% Efciency
Programmable Burst Mode Operation: IQ = 40A
Output Disconnect in Shutdown
Programmable Frequency from 300kHz to 2MHz
<1A Shutdown Current
Small Thermally Enhanced 14-Lead (3mm
× 4mm ×
0.75mm) DFN package
GSM Modems
Handheld Instruments
Digital Cameras
Smart Phones
Media Players
Miniature Hard Disk Drive Power
SW1
PVIN
VIN
RUN/SS
RT
SW2
PVOUT
VOUT
FB
LTC3533
10
F
VIN
2.4V TO 4.2V
340k
6.49k
100
F
47pF
VOUT
3.3V
1.5A
200k
0.1
F
107k
330pF
4.7pF
3533 TA01
2.2
H
33.2k
200k
PGND
SGND
ON
OFF
BURST
VC
, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
OUTPUT CURRENT (mA)
0.1
40
EFFICIENCY
(%)
50
60
70
80
1
10
100
1000
10000
3533 TA01b
30
20
10
0
90
100
Burst Mode
OPERATION
VIN = 3.9V
VIN = 2.2V
VIN = 2.9V
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相關代理商/技術參數
參數描述
LTC3534 制造商:LINER 制造商全稱:Linear Technology 功能描述:40V, 2A Synchronous Buck-Boost DC/DC
LTC3534EDHC#PBF 功能描述:IC REG BUCK BOOST SYNC ADJ 16DFN 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:降壓(降壓) 輸出類型:固定 輸出數: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:- 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) 供應商設備封裝:10-MSOP 裸露焊盤
LTC3534EDHC#TRPBF 功能描述:IC REG BUCK BOOST SYNC ADJ 16DFN 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:降壓(降壓) 輸出類型:固定 輸出數: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:- 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) 供應商設備封裝:10-MSOP 裸露焊盤
LTC3534EGN#PBF 功能描述:IC REG BUCK BST SYNC 0.5A 16SSOP 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
LTC3534EGN#TRPBF 功能描述:IC REG BUCK BST SYNC 0.5A 16SSOP 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:降壓(降壓) 輸出類型:固定 輸出數: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:- 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) 供應商設備封裝:10-MSOP 裸露焊盤
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