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TPS40021PWP PDF预览

TPS40021PWP

更新时间: 2024-11-04 22:33:59
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管输入元件
页数 文件大小 规格书
32页 408K
描述
ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER

TPS40021PWP 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:TSSOP
包装说明:HTSSOP, TSSOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:7.62Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.25 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 mm湿度敏感等级:2
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.01 A最小输出电压:0.7 V
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Switching Regulator or Controllers标称供电电压 (Vsup):5 V
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1100 kHz温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

TPS40021PWP 数据手册

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ꢀꢁ ꢂ ꢃꢄ ꢄꢅ ꢆ  
8
www.ti.com  
SLUS535C − MARCH 2003 − REVISED SEPTEMBER 2004  
FEATURES  
DESCRIPTION  
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Operating Input Voltage 2.25 V to 5.5 V  
The TPS4002x family of dc-to-dc controllers are designed  
for non-isolated synchronous buck regulators, providing  
enhanced operation and design flexability through user  
programmability.  
Output Voltage as Low as 0.7 V  
1% Internal 0.7 V Reference  
Predictive Gate DriveN-Channel MOSFET  
Drivers for Higher Efficiency  
The TPS4002x utilizes a proprietary Predictive Gate  
Drivetechnology to minimize the diode conduction  
losses associated with the high-side and synchronous  
rectifier N-channel MOSFET transistions. The integrated  
charge pump with boost circuit provides a regulated 5-V  
gate drive for both the high side and synchronous rectifier  
N-channel MOSFETs. The use of the Predictive Gate  
Drivetechnology and charge pump/boost circuits  
combine to provide a highly efficient, smaller and less  
expensive converter.  
Externally Adjustable Soft-Start and Short  
Circuit Current Limit  
Programmable Fixed-Frequency  
100 KHz-to-1 MHz Voltage-Mode Control  
D
Source-Only Current or Source/Sink Current  
D
Quick Response Output Transient  
Comparators with Power Good Indication  
Provide Output Status  
Design flexibility is provided through user programmability  
of such functions as: operating frequency, short circuit  
current detection thresholds, soft-start ramp time, and  
external synchronization frequency. The operating  
frequency is programmable using a single resistor over a  
frequency range of 100 kHz to 1 MHz. Higher operating  
frequencies yield smaller component values for a given  
converter power level as well as faster loop closure.  
D
16-Pin PowerPADPackage  
APPLICATIONS  
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Networking Equipment  
Telecom Equipment  
Base Stations  
Servers  
DSP Power  
VDD  
VOUT  
TPS40020  
VDD 2.25 V − 5.5 V  
ILIM/  
SYNC  
1
2
3
4
5
6
7
8
16  
15  
BOOT1  
HDRV  
VOUT  
VDD  
OSNS  
FB  
SW 14  
BOOT2 13  
PVDD 12  
LDRV 11  
PGND 10  
COMP  
SS/SD  
RT  
SGND  
9
PWRGD  
UDG−02094  
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.  
PowerPADand Predictive Gate Driveare trademarks of Texas Instruments.  
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ꢤ ꢞꢜ ꢝꢞꢟ ꢠ ꢢꢞ ꢣ ꢧꢦ ꢤ ꢛ ꢝꢛ ꢤ ꢡ ꢢꢛ ꢞꢜꢣ ꢧ ꢦꢟ ꢢꢬꢦ ꢢꢦ ꢟ ꢠꢣ ꢞꢝ ꢀꢦꢭ ꢡꢣ ꢒꢜꢣ ꢢꢟ ꢥꢠ ꢦꢜꢢ ꢣ ꢣꢢ ꢡꢜꢪ ꢡꢟ ꢪ ꢮ ꢡꢟ ꢟ ꢡ ꢜꢢꢯꢫ  
ꢁꢟ ꢞ ꢪꢥꢤ ꢢ ꢛꢞ ꢜ ꢧꢟ ꢞ ꢤ ꢦ ꢣ ꢣ ꢛꢜ ꢰ ꢪꢞ ꢦ ꢣ ꢜꢞꢢ ꢜꢦ ꢤꢦ ꢣꢣ ꢡꢟ ꢛꢩ ꢯ ꢛꢜꢤ ꢩꢥꢪ ꢦ ꢢꢦ ꢣꢢꢛ ꢜꢰ ꢞꢝ ꢡꢩ ꢩ ꢧꢡ ꢟ ꢡꢠ ꢦꢢꢦ ꢟ ꢣꢫ  
Copyright 2004, Texas Instruments Incorporated  

TPS40021PWP 替代型号

型号 品牌 替代类型 描述 数据表
TPS40021PWPG4 TI

完全替代

Enhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink 1
TPS40021PWPR TI

完全替代

ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER
TPS40021PWPRG4 TI

类似代替

ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER

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