参数资料
型号: LT1300CN8
厂商: Linear Technology
文件页数: 1/8页
文件大小: 0K
描述: IC REG BOOST 3.3V/5V 0.22A 8DIP
标准包装: 50
类型: 升压(升压)
输出类型: 固定
输出数: 1
输出电压: 3.3V,5V
输入电压: 1.8 V ~ 10 V
PWM 型: Burst Mode?
电流 - 输出: 220mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
供应商设备封装: 8-PDIP
LT1300
Micropower High Efficiency
3.3/5V Step-Up DC/DC Converter
FEATURES
DESCRIPTIO N
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Up to 220mA Output Current at 5V from 2V Supply
Supply Voltage as Low as 1.8V
Up to 88% Efficiency
Small Inductor –10 μ H
120 μ A Quiescent Current
Shutdown to 10 μ A
Programmable 3.3V or 5V Output
I LIM Pin Programs Peak Switch Current
Low V CESAT Switch: 170mV at 1A Typical
Uses Inexpensive Surface Mount Inductors
8-Lead DIP or SOIC Package
The LT1300 is a micropower step-up DC/DC converter that
utilizes Burst Mode? operation. The device can deliver 5V
or 3.3V from a two-cell battery input. It features program-
mable 5V or 3.3V output via a logic-controlled input, no-
load quiescent current of 120 μ A and a shutdown pin which
reduces supply current to 10 μ A. The on-chip power switch
has a low 170mV saturation voltage at a switch current of
1A, a four-fold reduction over prior designs. A 155kHz
internal oscillator allows the use of extremely small sur-
face mount inductors and capacitors. Operation is guaran-
teed at 1.8V input. This allows more energy to be extracted
APPLICATIO N S
from the battery increasing operating life. The I LIM pin can
be used to program peak switch current with a single
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Palmtop Computers
Portable Instruments
Bar-Code Scanners
DC/DC Converter Module Replacements
Battery Backup Supplies
Personal Digital Assistants
PCMCIA Cards
resistor allowing the use of less expensive and smaller
inductors and capacitors in lighter load applications. The
LT1300 is available in an 8-lead SOIC package, minimizing
board space requirements. For a 5V/12V Selectable Out-
put Converter see the LT1301. For increased output cur-
rent see the LT1302.
Burst Mode is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO N S N
Two-Cell to 3.3V/5V Step-Up Converter
L1
5V Output Efficiency
6
10μH
7
D1
5V/3.3V
OUTPUT
90
+ C1
2 ×
AA
CELL
5V/3.3V 2
SELECT
100μF
3
SHUTDOWN
V IN
SELECT
SHDN
LT1300
SW
SENSE
I LIM
4
5
N/C
+ C1
100μF
88
86
84
82
V IN = 4.0V
V IN = 3.0V
V IN = 2.5V
PGND
8
GND
1
80
V IN = 2.0V
78
L1 = COILCRAFT DO1608-103
OR SUMIDA CD54-100
LT1300 TA1
76
74
C1 = AVX TPSD107M010R0100
1
10 100
500
OR SANYO OS-CON 16SA100M
D1 = MBRS130LT3
LOAD CURRENT (mA)
LT1300 TA2
OR 1N5817
1
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相关代理商/技术参数
参数描述
LT1300CN8#PBF 功能描述:IC REG BOOST 3.3V/5V 0.22A 8DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 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:8-VFDFN 裸露焊盘,8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?(2x2) 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2
LT1300CN8PBF 制造商:Linear Technology 功能描述:LT1300CN8PBF
LT1300CS8 功能描述:IC REG BOOST 3.3V/5V 0.22A 8SOIC RoHS:否 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
LT1300CS8#PBF 功能描述:IC REG BOOST 3.3V/5V 0.22A 8SOIC 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
LT1300CS8#TR 功能描述:IC REG BOOST 3.3V/5V 0.22A 8SOIC RoHS:否 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