参数资料
型号: LTC3113EDHD#TRPBF
厂商: Linear Technology
文件页数: 1/24页
文件大小: 0K
描述: IC REG BUCK BOOST ADJ 3A 16DFN
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: 1.8 V ~ 5.5 V
输入电压: 1.8 V ~ 5.5 V
PWM 型: 电压模式,混合
频率 - 开关: 300kHz ~ 2MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 16-DFN(5x4)
LTC3113
3A Low Noise Buck-Boost
DC/DC Converter
FEATURES
DESCRIPTION
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Regulated Output with Input Voltage Above, Below
or Equal to the Output Voltage
1.8V to 5.5V Input and Output Voltage Range
3A Continuous Output Current V IN > 3.0V, V OUT = 3.8V
1.5A Continuous Output Current for V IN ≥ 1.8V,
V OUT = 3.3V
Single Inductor
Low Noise Buck-Boost Architecture
Up to 96% Ef?ciency
Programmable Frequency from 300kHz to 2MHz
Selectable Burst Mode ? Operation
Output Disconnect in Shutdown
Shutdown Current: <1μA
Internal Soft-Start
Small, Thermally Enhanced 16-Lead
(4mm × 5mm × 0.75mm) DFN Package
The LTC ? 3113 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 low
noise operation, making it well suited for RF and precision
measurement applications.
The LTC3113 can deliver up to 3A of continuous output
current to satisfy the most demanding applications.
Higher output current is possible in stepdown (buck)
mode. Integrated low R DS(ON) power MOSFETs and a
programmable switching frequency up to 2MHz result
in a compact solution footprint. Selectable Burst Mode
operation improves ef?ciency at light loads.
Other features include <1μA shutdown current, integrated
soft-start, short-circuit protection, current limit and ther-
and 20-Lead TSSOP Package
APPLICATIONS
mal overload protection. The LTC3113 is housed in the
thermally enhanced 16-lead (4mm × 5mm × 0.75mm)
DFN and 20-lead TSSOP packages.
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Wireless Modems
Backup Power Systems
Portable Inventory Terminals
Portable Barcode Readers
Portable Instrumentation
L , LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks
and No R SENSE , PowerPath are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
Ef?ciency vs Input Voltage
Li-Ion to 3.8V/3A
2.2μH
100
95
90
V OUT = 3.8V
I LOAD = 1A
V IN
3V TO 4.2V
47μF
SW1 SW2
V IN V OUT
LTC3113
845k
6.49k
V OUT
3.8V
100μF 3A
85
80
75
I LOAD = 3A
OFF ON
PWM BURST
RUN
BURST
FB
VC
47pF
70
65
RT
49.9k
680pF
158k
60
90.9k
SGND
PGND
12pF
3113 TA01a
55
50
1.5
2.0
2.5
3.0 3.5 4.0 4.5
5.0
5.5
INPUT VOLTAGE (V)
3113 TA01b
3113f
1
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LTC3113EFE#TRPBF 功能描述:IC REG BUCK BOOST ADJ 3A 20TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
LTC3113IDHD#PBF 功能描述:IC REG BUCK BOOST ADJ 3A 16DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
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