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| 型号： | LT3461ES6#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.25A TSOT23-6 |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.26 V ~ 38 V |
| 输入电压： | 2.5 V ~ 16 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.3MHz |
| 电流 - 输出： | 250mA |
| 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： | SOT-23-6 细型，TSOT-23-6 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-6 |
LT3461/LT3461A
1.3MHz/3MHz Step-Up
DC/DC Converters with
Integrated Schottky in ThinSOT
FEATURES
DESCRIPTIO
■
■
Integrated Schottky Rectifier
Fixed Frequency 1.3MHz/3MHz Operation
The LT ? 3461/LT3461A are general purpose fixed fre-
quency current mode step-up DC/DC converters. Both
Low V CESAT Switch: 260mV at 250mA
Low Shutdown Current: <1 μ A
■ High Output Voltage: Up to 38V
■
■ 12V at 70mA from 5V Input
■ 5V at 115mA from 3.3V Input
■ Wide Input Range: 2.5V to 16V
■ Uses Small Surface Mount Components
■
■ Soft-Start
■ Low Profile (1mm) SOT-23 (ThinSOT TM ) Package
APPLICATIO S
devices feature an integrated Schottky and a low V CESAT
switch allowing a small converter footprint and lower parts
cost. The LT3461 switches at 1.3MHz while the LT3461A
switches at 3MHz. These high switching frequencies en-
able the use of tiny, low cost and low height capacitors and
inductors. The constant switching frequency results in
predictable output noise that is easy to filter, and the
inductor based topology ensures an input free from switch-
ing noise typically present with charge pump solutions.
The high voltage switch in the LT3461/LT3461A is rated at
■
■
■
■
■
■
■
Digital Cameras
CCD Bias Supply
XDSL Power Supply
TFT-LCD Bias Supply
Local 5V or 12V Supply
Medical Diagnostic Equipment
Battery Backup
40V making the device ideal for boost converters up to
38V.
The LT3461/LT3461A are available in a low profile (1mm)
SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
5V to 12V, 70mA Step-Up DC/DC Converter
L1
85
Efficiency
V IN
10 μ H
5V
C1
1 μ F
OFF ON
6
4
1
SW
V IN V OUT
LT3461A
SHDN FB
GND
5
3
261k
15pF
V OUT
12V
70mA
C2
80
75
70
V IN = 3.3V
V IN = 5V
2
30.1k
1 μ F
3461 TA01a
65
60
0
20
40
60
80
LOAD CURRENT (mA)
3461 TAO1b
3461af
1
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| LT3461ES6#TR | IC REG BOOST ADJ 0.25A TSOT23-6 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3462 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting 1.2MHz/2.7MHz DC/DC Converters with Integrated Schottky in ThinSOT |
| LT3462A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting 1.2MHz/2.7MHz DC/DC Converters with Integrated Schottky in ThinSOT |
| LT3462AES6 | 制造商:Linear Technology 功能描述:Conv DC-DC Single Inv 2.5V to 16V 6-Pin TSOT-23 制造商:Linear Technology 功能描述:0.42 A SWITCHING REGULATOR, 3500 kHz SWITCHING FREQ-MAX, PDSO6 |
| LT3462AES6#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER, INVERTING, ADJ, 2.7MHZ, TSOT-23-6, Primary Input Voltage:16V, No. of Outputs:1, No. of Pins:6, Operating Temperature Min:-40C, Operating Temperature Max:85C, MSL:MSL 1 - Unlimited, Package / Case:6-TSOT-23 , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, Cut Tape 300mA, Inverting 2.7MHz DC/DC Converter |
| LT3462AES6#TR | 功能描述:IC REG INV ADJ 0.25A TSOT23-6 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 |
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