TPSM82912中文资料德州仪器数据手册PDF规格书
TPSM82912规格书详情
1 Features
• Low output noise < 20 μVRMS
(100 Hz to 100 kHz)
• Low output voltage ripple < 10 μVRMS after ferrite
bead
• High PSRR of > 65 dB (up to 100 kHz)
• 2.2-MHz or 1-MHz fixed frequency peak current
mode control
• Synchronizable with external clock (optional)
• Integrated loop compensation supports ferrite
bead for second stage L-C filter with 30-dB
attenuation (optional)
• Spread spectrum modulation (optional)
• 3.0-V to 17-V input voltage range
• 0.8-V to 5.5-V output voltage range
• 57-mΩ/20-mΩ RDSon
• Output voltage accuracy of ±1
• Precise enable input allows
– User-defined undervoltage lockout
– Exact sequencing
• Adjustable soft start
• Power-good output
• Output discharge (optional)
• –40°C to 125°C junction temperature range
– –55°C to 125°C for -ET versions
• Create a custom design using the TPSM8291x
with the WEBENCH® Power Designer
2 Applications
• Telecom infrastructure
• Test and measurement
• Aerospace and defense (radar, avionics)
• Medical
3 Description
The TPSM8291x devices are a family of highefficiency,
low-noise and low-ripple current mode
synchronous buck power modules. The devices are
ideal for noise sensitive applications that would
normally use an LDO for post regulation such as
high-speed ADCs, clock and jitter cleaner, serializer,
de-serializer, and radar applications.
The devices operate at a fixed switching frequency of
2.2 MHz or 1 MHz and can be synchronized to an
external clock.
To further reduce the output voltage ripple, the device
integrates loop compensation to operate with an
optional second-stage ferrite bead L-C filter. This
feature allows an output voltage ripple below 10
μVRMS.
Low-frequency noise levels, similar to a low-noise
LDO, are achieved by filtering the internal voltage
reference with an integrated capacitor on the NR/SS
pin. An external capacitor can be added to the module
for additional filtering.
The optional spread spectrum modulation scheme
spreads the DC/DC switching frequency over a wider
span, which lowers the mixing spurs.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI |
22 |
SIPMODULE |
39890 |
3月31原装,微信报价 |
询价 | ||
TI(德州仪器) |
2021+ |
SIP-Module-3 |
499 |
询价 | |||
TI(德州仪器) |
23+ |
9990 |
原装正品,支持实单 |
询价 | |||
TI |
SIPMODULE |
699839 |
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(德州仪器) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
TI(德州仪器) |
10000 |
原装正品长期供货,如假包赔包换 徐小姐13714450367 |
询价 | ||||
TI(德州仪器) |
23+ |
SIP3 |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
TI(德州仪器) |
23+ |
标准封装 |
6000 |
正规渠道,只有原装! |
询价 | ||
TI(德州仪器) |
23+ |
N/A |
589610 |
新到现货 原厂一手货源 价格秒杀代理! |
询价 | ||
TI原装 |
24+ |
MOA-28 |
18000 |
原装正品现货 低价出售 假一赔十 |
询价 |