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| 型号： | LTC3400BES6#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ .85A SOT23-6 |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 5 V |
| 输入电压： | 0.5 V ~ 6 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 850mA |
| 同步整流器： | 是 |
| 工作温度： | -30°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： | 剪切带 (CT) |
| 供应商设备封装： | TSOT-23-6 |
| 其它名称： | LTC3400BES6 LTC3400BES6#TRMCT LTC3400BES6-ND |
LTC3400/LTC3400B
600mA, 1.2MHz Micropower
Synchronous Boost Converter
in ThinSOT
FEATURES
DESCRIPTIO
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Up to 92% Efficiency
Generates 3.3V at 100mA from a Single AA Cell
Low Start-Up Voltage: 0.85V
1.2MHz Fixed Frequency Switching
Internal Synchronous Rectifier
2.5V to 5V Output Range
Automatic Burst Mode ? Operation (LTC3400)
Continuous Switching at Light Loads (LTC3400B)
Logic Controlled Shutdown (< 1 μ A)
Antiringing Control Minimizes EMI
Tiny External Components
Low Profile (1mm) SOT-23 Package
The LTC ? 3400/LTC3400B are synchronous, fixed fre-
quency, step-up DC/DC converters delivering high effi-
ciency in a 6-lead ThinSOT? package. Capable of supplying
3.3V at 100mA from a single AA cell input, the devices
contain an internal NMOS switch and PMOS synchronous
rectifier.
A switching frequency of 1.2MHz minimizes solution
footprint by allowing the use of tiny, low profile inductors
and ceramic capacitors. The current mode PWM design is
internally compensated, reducing external parts count.
The LTC3400 features automatic shifting to power saving
Burst Mode operation at light loads, while the LTC3400B
APPLICATIO S
features continuous switching at light loads. Antiringing
control circuitry reduces EMI concerns by damping the
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Pagers
MP3 Players
Digital Cameras
LCD Bias Supplies
Handheld Instruments
Wireless Handsets
GPS Receivers
inductor in discontinuous mode, and the devices feature
low shutdown current of under 1 μ A.
Both devices are available in the low profile (1mm)
SOT-23 package.
, LTC, LT and Burst Mode are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
Efficiency
L1
4.7 μ H
100
+
SINGLE
AA CELL
C1
4.7 μ F
OFF ON
6
4
1
SW
V IN V OUT
LTC3400
FB
SHDN
GND
2
5
3
R1
1.02M
1%
R2
604k
1%
V OUT
3.3V
100mA
C2
4.7 μ F
90
80
70
60
V IN = 2.4V
V IN = 1.5V
C1, C2: TAIYO-YUDEN X5R EMK316BJ475ML
L1: COILCRAFT DO160C-472
3400 F01
50
FIGURE 1 CIRCUIT
WITH OPTIONAL SCHOTTKY DIODE
(SEE APPLICATIONS INFORMATION)
40
Figure 1. Single Cell to 3.3V Synchronous Boost Converter
0.1
1
10 100
LOAD CURRENT (mA)
1000
3400 F01a
3400fa
1
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相关代理商/技术参数 |
参数描述 |
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| LTC3400ES6 | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Up 0.5V to 6V 6-Pin TSOT-23 |
| LTC3400ES6#PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Up 0.5V to 6V 6-Pin TSOT-23 制造商:Linear Technology 功能描述:DC-DC CONVERTER ADJ 1.2MHZ 制造商:Linear Technology 功能描述:DC-DC CONVERTER, ADJ, 1.2MHZ, SOT-23-6; Primary Input Voltage:5V; No. of Outputs:1; No. of Pins:6; Operating Temperature Min:-30C; Operating Temperature Max:85C; Package / Case:6-SOT-23; Supply Voltage Max:5V ;RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DC-DC CONVERTER, ADJ, 1.2MHZ, SOT-23-6; Primary Input Voltage:5V; No. of Outputs:1; No. of Pins:6; Operating Temperature Min:-30C; Operating Temperature Max:85C; Package / Case:6-SOT-23 ;RoHS Compliant: Yes |
| LTC3400ES6#TR | 功能描述:IC REG BST SYNC ADJ .85A SOT23-6 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 |
| LTC3400ES6#TRM | 功能描述:IC REG BST SYNC ADJ .85A SOT23-6 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 |
| LTC3400ES6#TRMPBF | 功能描述:IC REG BST SYNC ADJ .85A SOT23-6 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:High Efficiency Current Mode Switching Regulators CMOS LDO Regulators 特色产品:BD91x Series Step-Down Regulators 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:两者兼有 输出数:2 输出电压:3.3V，0.8 V ~ 2.5 V 输入电压:4.5 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:1MHz 电流 - 输出:1.5A 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:20-VFQFN 裸露焊盘 包装:带卷 (TR) 供应商设备封装:VQFN020V4040 产品目录页面:1373 (CN2011-ZH PDF) 其它名称:BD9152MUV-E2TR |
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