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LT1308IS8#PBF PDF预览

LT1308IS8#PBF

更新时间: 2024-09-15 20:08:39
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
8页 244K
描述
LT1308 - Single Cell High Current Micropower 600kHz Boost DC/DC Converter; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

LT1308IS8#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:7.42模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:6 V最小输入电压:1.2 V
标称输入电压:1.1 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:1.6 A
标称输出电压:1.22 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
最大供电电流 (Isup):0.16 mA表面贴装:YES
切换器配置:BOOST最大切换频率:750 kHz
技术:BIPOLAR温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
Base Number Matches:1

LT1308IS8#PBF 数据手册

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Final Electrical Specifications  
LT1308  
Single Cell High Current  
Micropower 600kHz  
Boost DC/DC Converter  
January 1998  
U
DESCRIPTION  
FEATURES  
The LT®1308 is a micropower, fixed frequency boost  
DC/DC converter that operates from an input voltage as  
low as 1V. Capable of delivering 5V at load current of 1A  
from a single Li-Ion cell, the LT1308 also features power  
savingBurstModeoperationatlightloads. Highefficiency  
is maintained over a broad 1mA to 1A load range.  
5V at 1A from a Single Li-Ion Cell  
3.3V at 300mA from a Single NiCd Cell  
Low Quiescent Current: 100µA  
Operates with VIN as Low as 1V  
Fixed Frequency Operation: 600kHz  
Current Mode PWM Delivers Low Output Ripple  
Guaranteed Start-Up into Full Load  
The device contains a low-battery detector with a 200mV  
reference and shuts down to less than 5µA quiescent  
current. No-load quiescent current is 100µA and the  
internal NPN power switch handles a 2A current with a  
voltage drop of just 300mV.  
Low Shutdown Current: 3µA  
Low-Battery Comparator  
Automatic Burst ModeTM Operation at Light Load  
Low VCESAT  
SwitUch: 300mV at 2A  
High frequency 600kHz switching allows the use of small,  
surface mount components. The LT1308’s current mode  
architecture provides fast response to load and line varia-  
tions. The device is available in an 8-lead SO package.  
APPLICATIONS  
GSM Terminals  
Digital Cameras  
Answer-Back Pagers  
Cordless Telephones  
DECT Phones  
GPS Receivers  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode is a trademark of Linear Technology Corporation.  
Battery Backup Supplies  
U
TYPICAL APPLICATION  
Converter Efficiency  
4.2V TO 3V  
95  
L1  
V
= 3.6V  
IN  
4.7µH  
90  
85  
80  
75  
70  
65  
V
SHDN  
LBI  
IN  
V
= 4.2V  
IN  
SW  
R1  
301k  
LT1308  
D1  
Li-Ion  
CELL  
5V  
1A  
C1  
10µF  
LBO  
FB  
V
GND  
C
V
= 3V  
IN  
+
C2  
100µF  
R2  
100k  
R
C
47k  
C
C
22nF  
1308F01  
C1: CERAMIC  
C2: AVX TPS SERIES  
1
10  
100  
1000  
D1: INTERNATIONAL RECTIFIER 10BQ015  
L1: COILTRONICS CTX5-1  
LOAD CURRENT (mA)  
1308 F01a  
COILCRAFT DO3316-472  
Figure 1. Single Li-Ion Cell to 5V/1A DC/DC Converter  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1

LT1308IS8#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT1308CS8 Linear

完全替代

Single Cell High Current Micropower 600kHz Boost DC/DC Converter
LT1308IS8 Linear

完全替代

Single Cell High Current Micropower 600kHz Boost DC/DC Converter

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