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| 型号： | TPS40195PWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 12/43页 |
| 文件大小： | 1086K |
| 代理商： | TPS40195PWG4 |
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DESCRIPTION (CONTINUED)
DEVICE RATINGS
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
SLUS720D – FEBRUARY 2007 – REVISED NOVEMBER 2008 ........................................................................................................................................ www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
The threshold is set with a single external resistor connected from ILIM to GND. Pulse-by-pulse limiting (to
prevent current runaway) is provided by sensing the voltage across the high-side MOSFET when it is on and
terminating the cycle when the voltage drop rises above a fixed threshold of 550 mV. When the controller senses
an output short circuit, both MOSFETs are turned off and a timeout period is observed before attempting to
restart. This provides limited power dissipation in the event of a sustained fault. Synchronization on this device is
bi-directional. Devices can be synchronized 180° out of phase to a chosen master TPS40195 running at a fixed
250 kHz or 500 kHz, or can be synchronized to an outside clock source anywhere in the 100 kHz to 600 kHz
range.
ORDERING INFORMATION
TJ
PACKAGE
QUANTITY
PACKAGING(1)
PART NUMBER
90
Tube
TPS40195PW
Plastic 16-Pin TSSOP
(PW)
2000
Reel
TPS40195PWR
-40°C to 85°C
250
Tape
TPS40195RGYT
Plastic 16-Pin QFN
(RGY)
3000
Reel
TPS40195RGYR
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
over operating free-air temperature range unless otherwise noted
(1)
TPS40195
UNIT
VDD
–0.3 to 22
SW
–5 to 25
BOOT
–0.3 to 30
Input voltage range HDRV
–5 to 30
V
BOOT–SW, HDRV–SW (Differential from BOOT or HDRV to SW)
–0.3 to 6
EN, FB, BP, LDRV, PGOOD, ILIM, SYNC, UVLO, SS_SEL, RT
–0.3 to 6
COMP
–0.3 to 3
TJ
Operating junction temperature range
–40 to 150
°C
Tstg
Storage temperature
–55 to 150
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
MIN
NOM
MAX
UNIT
VVDD
Input voltage
4.5
20
V
TJ
Operating junction temperature
-40
125
°C
2
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS40195
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS40195PWR | 功能描述:DC/DC 开关控制器 4.5V to 20V Buck 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 |
| TPS40195PWRG4 | 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 |
| TPS40195RGYR | 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 |
| 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 |
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