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| 型号： | TPS40195RGYR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封装： | GREEN, PLASTIC, QFN-16 |
| 文件页数： | 1/43页 |
| 文件大小： | 1086K |
| 代理商： | TPS40195RGYR |
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1
FEATURES
CONTENTS
DESCRIPTION
APPLICATIONS
1
2
3
4
EN
FB
COMP
VDD
TPS40195
5
6
7
8
ULVO
RT
ILIM
GND
16
15
14
13
HDRV
SW
BOOT
LDRV
12
11
10
9
BP
SS_SEL
PGOOD
SYNC
Power Good
V
OUT
UDG-06066
www.ti.com ........................................................................................................................................ SLUS720D – FEBRUARY 2007 – REVISED NOVEMBER 2008
4.5-V TO 20-V SYNCHRONOUS BUCK CONTROLLER WITH SYNCHRONIZATION AND
POWER GOOD
Input Operating Voltage Range: 4.5 V to 20 V
2
Output Voltage as Low as 0.591 V ±0.5%
3
180° Bi-Directional Out-of-Phase
Synchronization
5
Internal 5-V Regulator
10
High and Low MOSFET Sense Overcurrent
12
100 kHz to 600 kHz Switching Frequency
21
Enable and Power Good
34
Programmable UVLO and Hysteresis
Thermal Shutdown at 150°C
Selectable Soft-Start
The TPS40195 is a flexible synchronous buck
Pre-Bias Output Safe
controller that operates from a nominal 4.5 V to 20 V
supply. This controller implements voltage mode
control with the switching frequency adjustable from
Digital TV
100 kHz to 600 kHz. Flexible features found on this
Entry-Level and Midrange Servers
device
include
selectable
soft-start
time,
programmable
short
circuit
limit,
programmable
Networking Equipment
undervoltage lockout (UVLO) and synchronization
Non-Isolated DC-DC modules
capability. An adaptive anti-cross conduction scheme
is used to prevent shoot through current in the power
FETs. Over-current detection is done by sensing the
voltage drop across the low-side MOSFET when it is
on, and comparing it with a user programmable
threshold.
SIMPLIFIED APPLICATION DIAGRAM
1
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2007–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS40195RGYRG4 | 功能描述:DC/DC 开关控制器 4.5V-20V Buck Cntrlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TPS40195RGYT | 功能描述:DC/DC 开关控制器 4.5V-20V Buck Cntrlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TPS40195RGYTG4 | 功能描述:DC/DC 开关控制器 4.5V-20V Buck Cntrlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TPS40197 | 制造商:TI 制造商全称:Texas Instruments 功能描述:SYNCHRONOUS BUCK CONTROLLER WITH 4-BIT VID INTERFACE FOR SMART-REFLEXa?￠ DSPs |
| TPS40197RGYR | 功能描述:DC/DC 开关控制器 4.5-14V Inp Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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