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参数资料
| 型号： | LTC3532EDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST SYNC ADJ 10DFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.4 V ~ 5.25 V |
| 输入电压： | 2.4 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 300kHz ~ 2MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-DFN（3x3） |
LTC3532
Micropower Synchronous
Buck-Boost DC/DC Converter
FEATURES
DESCRIPTIO
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Single Inductor
Regulated Output with Input Voltages Above, Below
or Equal to the Output
Wide V IN Range: 2.4V to 5.5V
V OUT Range: 2.4V to 5.25V
Up to 500mA Peak Output Current
Synchronous Recti?cation: Up to 95% Ef?ciency
Manual or Programmable Automatic Burst Mode ?
Operation
Output Disconnect in Shutdown
Programmable Oscillator: 300kHz to 2MHz
Pin Compatible with LTC3440
Small Thermally Enhanced 10-Lead (3mm × 3mm)
DFN and 10-Lead MSOP Packages
The LTC ? 3532 is a high ef?ciency, ?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 lithium-ion, multicell alkaline or NiMH ap-
plications where the output voltage is within the battery
voltage range.
The device includes two 0.36Ω N-channel MOSFET
switches and two 0.42Ω P-channel switches. Switching
frequencies up to 2MHz are programmed with an external
resistor. Quiescent current is only 35μA in Burst Mode
operation, maximizing battery life in portable applica-
tions. Automatic Burst Mode operation allows the user
to program the load current for Burst Mode operation or
APPLICATIO S
to control it manually.
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Miniature Hard Disk Drive Power Supply
MP3 Players
Handheld Instruments
Digital Cameras
Handheld Terminals
Other features include a 1μA shutdown, soft-start control,
thermal shutdown, and peak current limit. The LTC3532 is
available in a low pro?le (0.75mm) 10-lead (3mm × 3mm)
DFN and 10-lead MSOP packages.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Burst Mode is a registered trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
Miniature Hard Disk Drive Power Supply
V OUT
4.7μH
3.3V
100mA
TO 500mA
V OUT
200mV/DIV
V IN
Li-Ion
2.5V TO 4.2V
SW1
V IN
SW2
V OUT
340k
1k
(PEAK)
SHDN/SS LTC3532
FB
12.1k
33pF
I LOAD
BURST
V C
100mA/DIV
R T
GND
220pF
100μs/DIV
3532 TA01b
200k
43.2k
200k
10μF
V IN = 3V
V OUT = 3.3V
I LOAD = 50mA TO 300mA
4.7μF
0.01μF
3532 TA01
3532fc
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3532EMS | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 2.4V to 5.5V 10-Pin MSOP |
| LTC3532EMS#PBF | 功能描述:IC REG BUCK BST SYNC 0.5A 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LTC3532EMS#TR | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 2.4V to 5.5V 10-Pin MSOP T/R |
| LTC3532EMS#TRPBF | 功能描述:IC REG BUCK BST SYNC 0.5A 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
| LTC3532EMS-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower Synchronous Buck-Boost DC/DC Converter |
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