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| 型号： | LTC3530EDD#PBF |
| 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： | 121 |
| 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： | 1.8 V ~ 5.25 V |
| 输入电压： | 1.8 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 300kHz ~ 2MHz |
| 电流 - 输出： | 600mA |
| 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： | 管件 |
| 供应商设备封装： | 10-DFN（3x3） |
| 产品目录页面： | 1334 (CN2011-ZH PDF) |
LTC3530
Wide Input Voltage
Synchronous Buck-Boost
DC/DC Converter
FEATURES
DESCRIPTION
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Regulated Output with Input Voltages Above, Below
or Equal to the Output
1.8V to 5.5V Input and 1.8V to 5.25V Output Range
250mA Continuous Output Current from 1.8V V IN
600mA Continuous/1A Peak Output Current from
Li-Ion
Single Inductor
Synchronous Recti?cation: Up to 96% Ef?ciency
Programmable Automatic Burst Mode ? Operation
Output Disconnect in Shutdown
Pin Compatible with the LTC3440
Programmable Frequency from 300kHz to 2MHz
<1μA Shutdown Current
Small Thermally Enhanced 10-Lead (3mm × 3mm)
DFN and 10-Lead MS Packages
The LTC ? 3530 is a wide V IN range, highly ef?cient, ?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, two-cell
alkaline or NiMH applications where the output voltage is
within the battery voltage range.
The LTC3530 is pin compatible with the LTC3440 buck-
boost DC/DC converter but adds programmable automatic
Burst Mode operation and extends the V IN /V OUT range to
1.8V. Switching frequencies up to 2MHz are programmed
with an external resistor. Automatic Burst Mode operation
allows the user to program the load current threshold for
Burst Mode operation using a single resistor from the
APPLICATIONS
BURST pin to GND.
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MP3 Players
Handheld Instruments
Digital Cameras
Smart Phones
Portable GPS Units
Miniature Hard Disk Drive Power
Other features include 1μA shutdown, short circuit pro-
tection, programmable soft-start control, current limit
and thermal shutdown. The LTC3530 is available in a
thermally enhanced 10-lead (3mm × 3mm) DFN or MSOP
package.
L , LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners. Patents Pending.
TYPICAL APPLICATION
Ef?ciency
4.7 μ H
100
90
Burst Mode V IN = 3.6V
V IN = 4.2V
1.8V TO 5.5V
SW1
V IN LTC3530
SW2
V OUT
33pF
1M
V OUT
3.3V AT
250mA
80
70
60
V IN = 3.6V
15k
50
OFF ON
SHDN /SS
FB
22 μ F
40
10 μ F
R T
V C
10k
560pF
576k
30
20
V IN = 2.0V
33.2k
BURST
GND
100k
0.01 μ F
10
0
0.1
1
10 100
1000
3530 TA01a
LOAD CURRENT (mA)
3350 TA01b
3530fb
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3530EDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
| LTC3530EMS | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
| LTC3530EMS#PBF | 功能描述:IC REG BUCK BST SYNC 0.6A 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 |
| LTC3530EMS#TRPBF | 功能描述:IC REG BUCK BST SYNC 0.6A 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LTC3530EMS-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
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