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| 型号： | LM3495MTCX/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 10A 16TSSOP |
| 标准包装： | 1 |
| 系列： | PowerWise® |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 5.5 V |
| 输入电压： | 2.9 V ~ 18 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 200kHz ~ 1.5MHz |
| 电流 - 输出： | 10A |
| 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： | 16-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 标准包装 |
| 供应商设备封装： | 16-TSSOP |
| 产品目录页面： | 1300 (CN2011-ZH PDF) |
| 配用： | LM3495EVAL-ND - BOARD EVALUATION LM3495 |
| 其它名称： | LM3495MTCXDKR |
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SNVS410F – FEBRUARY 2006 – REVISED APRIL 2013
LM3495 Emulated Peak Current Mode Buck Controller for Low Output Voltage
Check for Samples: LM3495
1
FEATURES
DESCRIPTION
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Input Voltage from 2.9V to 18V
Output Voltage Adjustable from 0.6V to 5.5V
Feedback Accuracy: ±1%
Low-Side Sensing, Programmable Current
Limit without Sense Resistor
Input Under Voltage Lockout
Hiccup Mode Current Limit Protection
Eliminates Thermal Runaway During Fault
Conditions
Internal Soft Start with Tracking Capability
200 kHz to 1.5 MHz Switching Frequency,
Synchronizable
On-Chip Gate Drivers
Soft Output Discharge During Shutdown
The LM3495 is a PWM buck regulator which
implements a unique emulated peak current mode
control. This control method eliminates the switching
noise which typically limits current mode operation at
extremely short duty cycles and high operating
frequency. The switching frequency is programmable
between 200 kHz and 1.5 MHz, and can also be
synchronized to an external clock. The LM3495 is
also very fault tolerant with both switch node short,
hiccup mode, and adaptive duty cycle limit protection.
A 0.6V 1% reference and glitch free pre-biased start-
up ensure the most demanding digital loads operate
reliably. Internal soft start and the ability to track the
output of another supply make the LM3495 versatile
and efficient.
APPLICATIONS
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Startup into Output Pre-Bias
Operation from a Single Input Rail
Adaptive Duty Cycle Limit
TSSOP-16 Package
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Wide Input Voltage Buck Converters with Low
Voltage, High Accuracy Outputs
Core Logic Regulators
High-Efficiency Buck Regulation
Typical Application
C F
C DD
D1
V IN
FPWM
VIN
VLIN5
BOOST
C INX
C IN
C B
C SYNC
R FRQ
FREQ/SYNC
HG
Q1
VLIN5
TRACK
LM3495
SW/CSH
ILIM
R ILIM
L1
V O
R C
C C
COMP/SD
LG
Q2
C O
CSL
R FB1
FB
SNS
SGND
PGND
R FB2
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright ? 2006–2013, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM3497M/NOPB | 制造商:Texas Instruments 功能描述:IC LED DRIVER 制造商:Texas Instruments 功能描述:POWER REGULATOR/CONTROLLER IC |
| LM3497MM/NOPB | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| LM3497MMX/NOPB | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| LM3497MX/NOPB | 制造商:Texas Instruments 功能描述:IC LED DRIVER 制造商:Texas Instruments 功能描述:POWER REGULATOR/CONTROLLER IC |
| LM349J | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
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