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| 型号： | LT3495EDDB-1#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.35A 10DFN |
| 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： | 1.24 V ~ 40 V |
| 输入电压： | 2.3 V ~ 16 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 可调至 45kHz |
| 电流 - 输出： | 350mA |
| 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： | 10-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-DFN-EP（3x2） |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
| 其它名称： | LT3495EDDB-1#TRMPBFDKR |
LT3495/LT3495B/
LT3495-1/LT3495B-1
650mA/350mA Micropower
Low Noise Boost Converter
with Output Disconnect
Low Quiescent Current
Low Noise Control Scheme (Switching Frequency
Integrated Power NPN:
Integrated Output Disconnect
Integrated Output Dimming
Wide input range: 2.5V to 16V
Wide output range: Up to 40V
Integrated feedback resistor
Tiny 10-Lead 3mm × 2mm DFN Package
OLED Power
Low Noise Power
MP3 Player
FEATURES
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60μA in Active Mode
0.1μA in Shutdown Mode
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Always Stays Above Audible Range for LT3495/-1)
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650mA Current Limit (LT3495/B)
350mA Current Limit (LT3495-1/B-1)
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APPLICATIONS
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L , LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners. *Patent pending.
TYPICAL APPLICATION
DESCRIPTION
The LT ? 3495/LT3495B/LT3495-1/LT3495B-1 are low noise
boost converters with integrated power switch, feedback
resistor and output disconnect circuitry. The parts control
power delivery by varying both the peak inductor current
and switch off-time. This novel* control scheme results
in low output voltage ripple as well as high efficiency
over a wide load range. For the LT3495/LT3495-1, the
off-time of the switch is not allowed to exceed a fixed
level, guaranteeing the switching frequency stays above
the audio band for the entire load range. The parts feature
a high performance NPN power switch with a 650mA
and 350mA current limit for the LT3495/LT3495B and
LT3495-1/LT3495B-1 respectively. The quiescent current
is a low 60μA, which is further reduced to less than 0.1μA
in shutdown. The internal disconnect circuitry allows the
output voltage to be isolated from the input during shut-
down. An auxiliary reference input (CTRL pin) overrides
the internal 1.235V feedback reference with any lower
value allowing full control of the output voltage during
operation. The LT3495 series are available in a tiny 10-lead
3mm × 2mm DFN package.
OLED Power Supply from One Li-Ion Cell
Output Voltage Ripple
vs Load Current
Efficiency vs Load Current
ONE
Li-Ion
CELL
4.7μF
10μH
SW CAP
V CC V OUT
LT3495
2.2μF
909k
V OUT
16V
70mA
50
40
30
1.0μF 0603
CAPACITOR AT V OUT
90
80
70
V IN = 3.6V
LOAD FROM CAP
LOAD FROM V OUT
400
320
240
SHDN
FB
1μF
CTRL
GND
20
60
160
3495 TA01a
10
2.2μF 1206
CAPACITOR AT V OUT
50
80
0
0.1
1
10
100
40
0.1
1
10
0
100
LOAD CURRENT (mA)
3495 TA01b
LOAD CURRENT (mA)
3495 TA01c
3495b1b1fa
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3495EDDB-1-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:650mA/350mA Micropower Low Noise Boost Converter with Output Disconnect |
| LT3495EDDB-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:650mA/350mA Micropower Low Noise Boost Converter with Output Disconnect |
| LT3495EDDB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:650mA/350mA Micropower Low Noise Boost Converter with Output Disconnect |
| LT3496 | 制造商:LINER 制造商全称:Linear Technology 功能描述:16-Channel 50mA LED |
| LT3496EFE#PBF | 功能描述:IC LED DRVR WT/RGB BCKLT 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性（LDO），PWM，升压（升压） 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB，白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C |
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