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TPS78450QWDRBRQ1集成电路(IC)线性+开关稳压器规格书PDF中文资料
厂商型号 |
TPS78450QWDRBRQ1 |
参数属性 | TPS78450QWDRBRQ1 封装/外壳为8-VDFN 裸露焊盘;包装为卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带;类别为集成电路(IC) > 线性 + 开关稳压器;产品描述:AUTOMOTIVE, 300-MA, LOW-IQ, HIGH |
功能描述 | TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy and Enable |
文件大小 |
4.86215 Mbytes |
页面数量 |
53 页 |
生产厂商 | Texas Instruments |
企业简称 |
TI【德州仪器】 |
中文名称 | 美国德州仪器公司官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-9-23 8:36:00 |
TPS78450QWDRBRQ1规格书详情
1 Features
• AEC-Q100 qualified for automotive applications:
– Temperature grade 1: –40°C to +125°C, TA
• Device junction temperature: –40°C to +150°C, TJ
• Input voltage range: 1.65 V to 6.0 V
• Available output voltages:
– Adjustable option: 1.2 V to 5.5 V
– Fixed options: 0.65 V to 5.0 V
• Output accuracy: 0.5 typical, 1.7 maximum
• 50-dB PSRR out to 100 kHz
• Low IQ: 25 μA (typical)
• Ultra-low dropout:
– 115 mV (max) at 300 mA (3.3 VOUT)
• Internal 500-μs soft-start time to reduce inrush
current
• Active output discharge
• Functional Safety-Capable
– Documentation available to aid functional safety
system design
• Packages:
– 3-mm × 3-mm wettable flank VSON (8)
– 5-pin SOT-23
2 Applications
• Automotive head units
• Hybrid instrument clusters
• Telematics control units
• DC/DC converters
3 Description
The TPS784-Q1 ultra low-dropout regulator (LDO)
is a small, low quiescent current LDO that can
source 300 mA with excellent line and load transient
performance.
The low output noise and great PSRR performance
make the device suitable to power sensitive analog
loads. The TPS784-Q1 is a flexible device for post
regulation because this device supports an input
voltage range from 1.65 V to 6.0 V and offers an
adjustable output range of 1.2 V to 5.5 V. The device
also features fixed output voltages from 0.65 V to
5.0 V for powering common voltage rails.
The TPS784-Q1 offers foldback current limit to reduce
power dissipation during over current condition. The
EN input helps with power sequencing requirements
of the system. The internal soft-start provides a
controlled start up, reducing the inrush current and
allowing for lower input capacitance to be used.
The TPS784-Q1 provides an active pulldown circuit to
quickly discharge output loads when disabled.
TPS78450QWDRBRQ1属于集成电路(IC) > 线性 + 开关稳压器。美国德州仪器公司制造生产的TPS78450QWDRBRQ1稳压器 - 线性线性稳压器用于提供稳定的输出电压,无论负载电流、输入电压或环境因素如何变化,这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压,而且要超出某个最小量,并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言,虽然这种稳压器的效率低于开关模式的稳压器,但它们通常更适合对噪声高度敏感的应用。
产品属性
更多- 产品编号:
TPS78450QWDRBRQ1
- 制造商:
Texas Instruments
- 类别:
集成电路(IC) > 线性 + 开关稳压器
- 系列:
Automotive, AEC-Q100
- 包装:
卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带
- 输出配置:
正
- 输出类型:
固定
- 电压 - 输入(最大值):
6V
- 电压 - 输出(最小值/固定):
5V
- 电压降(最大值):
0.115V @ 300mA
- 电流 - 输出:
300mA
- PSRR:
60dB ~ 30dB(1kHz ~ 1MHz)
- 控制特性:
使能
- 保护功能:
过流,超温
- 工作温度:
-40°C ~ 150°C(TJ)
- 安装类型:
表面贴装,可润湿侧翼
- 封装/外壳:
8-VDFN 裸露焊盘
- 供应商器件封装:
8-SON(3x3)
- 描述:
AUTOMOTIVE, 300-MA, LOW-IQ, HIGH
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI/德州仪器 |
22+ |
VSON-8 |
9000 |
原装正品,支持实单! |
询价 | ||
TI |
23+ |
VSON-8 |
20000 |
询价 | |||
TI(德州仪器) |
23+ |
SON-8 |
7178 |
百分百原装正品,可原型号开票 |
询价 | ||
TI |
24+ |
VSON-8 |
5000 |
十年沉淀唯有原装 |
询价 | ||
TI/德州仪器 |
23+ |
VSON8 |
2950 |
原装现货 假一赔万 |
询价 | ||
TI(德州仪器) |
23+ |
SON8 |
6000 |
诚信服务,绝对原装原盘 |
询价 | ||
TI |
VSON-8 |
399000 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
TI |
新批次 |
SON-8 |
4326 |
询价 | |||
TI(德州仪器) |
23+ |
SON-8 |
3022 |
特价优势库存质量保证稳定供货 |
询价 | ||
TI |
23+ |
VSON8 |
2950 |
市场最低 原装现货 假一罚百 可开原型号 |
询价 |