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| 型号： | LT1613CS5#TR |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BST FLYBACK SEPIC TSOT23 |
| 标准包装： | 2,500 |
| 类型： | 升压（升压），回扫，Sepic |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 36 V |
| 输入电压： | 1.1 V ~ 10 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.4MHz |
| 电流 - 输出： | 300mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-5 |
| 其它名称： | LT1613CS5 #TR LT1613CS5 #TR-ND Q1143076 |
LT1613
1.4MHz, Single Cell DC/DC
Converter in 5-Lead SOT-23
FEATURES
DESCRIPTIO
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Uses Tiny Capacitors and Inductor
Internally Compensated
Fixed Frequency 1.4MHz Operation
Operates with V IN as Low as 1.1V
3V at 30mA from a Single Cell
5V at 200mA from 3.3V Input
15V at 60mA from Four Alkaline Cells
High Output Voltage: Up to 34V
Low Shutdown Current: <1 μ A
Low V CESAT Switch: 300mV at 300mA
Tiny 5-Lead SOT-23 Package
The LT ? 1613 is the industry’s first 5-lead SOT-23 current
mode DC/DC converter. Intended for small, low power
applications, it operates from an input voltage as low as
1.1V and switches at 1.4MHz, allowing the use of tiny, low
cost capacitors and inductors 2mm or less in height. Its
small size and high switching frequency enables the
complete DC/DC converter function to take up less than
0.2 square inches of PC board area. Multiple output power
supplies can now use a separate regulator for each output
voltage, replacing cumbersome quasi-regulated ap-
proaches using a single regulator and a custom trans-
former.
APPLICATIO S
A constant frequency, internally compensated current
mode PWM architecture results in low, predictable output
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Digital Cameras
Pagers
Cordless Phones
Battery Backup
LCD Bias
Medical Diagnostic Equipment
Local 5V or 12V Supply
External Modems
PC Cards
noise that is easy to filter. The high voltage switch on the
LT1613 is rated at 36V, making the device ideal for boost
converters up to 34V as well as for Single-Ended Primary
Inductance Converter (SEPIC) and flyback designs. The
device can generate 5V at up to 200mA from a 3.3V supply
or 5V at 175mA from four alkaline cells in a SEPIC design.
The LT1613 is available in the 5-lead SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
V IN
L1
4.7 μ H
D1
V OUT
100
Efficiency Curve
3.3V
+
C1
15 μ F
SHDN
V IN
LT1613
SHDN
GND
SW
FB
R1
37.4k
R2
12.1k
+
5V
200mA
C2
22 μ F
95
90
85
80
75
70
V IN = 2.8V
V IN = 4.2V
V IN = 3.5V
65
L1: MURATA LQH3C4R7M24 OR SUMIDA CD43-4R7
C1: AVX TAJA156M010
60
V IN = 1.5V
C2: AVX TAJB226M006
D1: MBR0520
1613 TA01
55
50
Figure 1. 3.3V to 5V 200mA DC/DC Converter
0
50
100 150 200 250 300 350 400
LOAD CURRENT (mA)
1613 TA01a
1
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相关代理商/技术参数 |
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|---|---|
| LT1613CS5TRMPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up 0.9-10V TSOT23-5 |
| LT1614 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:High Voltage, Low Quiescent Current Inverting Charge Pump |
| LT1614_1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting 600kHz Switching Regulator |
| LT1614CMS8 | 功能描述:IC REG INV ADJ 0.5A 8MSOP RoHS:否 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 |
| LT1614CMS8#PBF | 功能描述:IC REG INV ADJ 0.5A 8MSOP 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 |
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