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| 型号： | LT3436EFE |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 3A 16TSSOP |
| 标准包装： | 95 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.2 V ~ 34 V |
| 输入电压： | 3 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 800kHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-TSSOP-EP |
LT3436
3A, 800kHz Step-Up
Switching Regulator
FEATURES
DESCRIPTIO
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Constant 800kHz Switching Frequency
Wide Operating Voltage Range: 3V to 25V
High Efficiency 0.1 ? /3A Switch
1.2V Feedback Reference Voltage
± 2% Overall Output Voltage Tolerance
Uses Low Profile Surface Mount External
Components
Low Shutdown Current: 11 μ A
Synchronizable from 1MHz to 1.4MHz
Current-Mode Control
Constant Maximum Switch Current Rating
at All Duty Cycles*
Available in a Small Thermally Enhanced
TSSOP-16 Package
The LT ? 3436 is an 800kHz monolithic boost switching
regulator. A high efficiency 3A, 0.1 ? switch is included on
the die together with all the control circuitry required to
completeahighfrequency,current-modeswitchingregu-
lator. Current-mode control provides fast transient re-
sponse and excellent loop stability.
New design techniques achieve high efficiency at high
switching frequencies over a wide operating range. A low
dropout internal regulator maintains consistent perfor-
mance over a wide range of inputs from 24V systems to Li-
Ion batteries. An operating supply current of 1mA main-
tains high efficiency, especially at lower output currents.
Shutdown reduces quiescent current to 11 μ A. Maximum
switch current remains constant at all duty cycles. Syn-
APPLICATIO S
chronization capability allows an external logic level signal
to increase the internal oscillator from 1MHz to 1.4MHz.
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DSL Modems
Portable Computers
Battery-Powered Systems
Distributed Power
Full cycle-by-cycle switch current limit protection and ther-
mal shutdown are provided. High frequency operation al-
lows the reduction of input and output filtering components
and permits the use of tiny chip inductors. The LT3436 is
available in an exposed pad, 16-pin TSSOP package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
*Protectd by U.S. Patents including 6535042, 6611131, 6498466
TYPICAL APPLICATIO
5V to 12V Boost Converter
3.9 μ H
90
Efficiency vs Load Current
V IN = 5V
V OUT = 12V
INPUT
5V
4.7 μ F
CERAMIC
OPEN
OR
HIGH
= ON
V IN
SHDN
SYNC
LT3436
GND
V SW
FB
V C
B220A
90.9k
OUTPUT
12V
0.9A ?
85
80
75
10nF
4.7k
470pF
10k
1%
22 μ F
CERAMIC
70
65
? MAXIMUM OUTPUT CURRENT IS SUBJECT TO THERMAL DERATING.
3436 TA01
60
0
0.1
0.2
0.3 0.4
0.5
0.6
0.7
0.8
LOAD CURRENT (A)
3436 TA01b
3436fa
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3436EFE#PBF | 功能描述:IC REG BOOST ADJ 3A 16TSSOP 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 |
| LT3436EFE#TR | 功能描述:IC REG BOOST ADJ 3A 16TSSOP 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 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:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3436EFE#TRPBF | 功能描述:IC REG BOOST ADJ 3A 16TSSOP 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:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 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:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3436EFEPBF | 制造商:Linear Technology 功能描述:LT3436 adj 3A SU boost dc-dc converter |
| LT3437 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100μA Quiescent Current |
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