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TPS543B25T_V02中文资料
TPS543B25T_V02数据手册规格书PDF详情
1 Features
• Integrated 6.5mΩ and 2mΩ MOSFETs
• 4V to 18V input voltage range
• Fixed-frequency, internally compensated,
advanced current mode (ACM) control
• 0.5V to 7V output voltage range
• True differential remote sense amplifier (RSA)
• Three selectable PWM ramp options to optimize
the control loop performance
• Five selectable switching frequencies: 500kHz,
750kHz, 1MHz, 1.5MHz, and 2.2MHz
• Synchronizable to an external clock
• 0.5V, ±0.5 voltage reference accuracy over full
temperature range
• 1ms, 2ms, 4ms, and 8ms selectable soft-start
times
• Monotonic start-up into prebiased outputs
• Selectable current limits to support 25A and 20A
operation
• Enable with adjustable input undervoltage lockout
• Power-good output monitor
• Output overvoltage, output undervoltage, input
undervoltage, overcurrent, and overtemperature
protection
• –40°C to 150°C operating junction temperature
• 2.5mm × 4.5mm, 17-pin WQFN-HR package with
0.5mm pitch
• Lead-free (RoHS compliant), Lead-free (Pb-free)
conversion
• Pin compatible with the 20A - TPS543B22, 16A -
TPS543A26, and 12A - TPS543A22
• Create a custom design using the TPS543B25T
with the WEBENCH® Power Designer
2 Applications
• Wireless and wired communications infrastructure
equipment
• Optical and fiber networks
• Test and measurement
• Medical and healthcare
3 Description
The TPS543B25T is a high-efficiency, 18V, 25A,
synchronous buck converter employing an internally
compensated, fixed-frequency advanced current
mode (ACM) control architecture, which while always
operating under FCCM, generates output voltages
from 0.5V to 7V. The device is capable of providing
high efficiency while operating at a switching
frequency up to 2.2MHz, making the device an
excellent choice for designs requiring a small design
size. The fixed frequency controller can operate from
500kHz to 2.2MHz and can be synchronized to an
external clock using the SYNC pin. Additional features
include a high accuracy voltage reference, two-wire
remote sense, selectable soft-start times, monotonic
start-up into prebiased outputs, selectable current
limits, adjustable UVLO through the EN pin, and a full
suite of fault protections.
The TPS543B25T is available in a small 2.5mm ×
4.5mm HotRod™ WQFN-FCRLF package.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI/德州仪器 |
25+ |
原厂封装 |
10280 |
原厂授权代理,专注军工、汽车、医疗、工业、新能源! |
|||
TI/德州仪器 |
25+ |
原厂封装 |
10280 |
||||
TI/德州仪器 |
25+ |
原厂封装 |
9999 |
||||
TI/德州仪器 |
25+ |
原厂封装 |
10280 |
||||
N/A |
99 |
||||||
TI德州仪器 |
22+ |
24000 |
原装正品现货,实单可谈,量大价优 |
||||
TI |
24+ |
con |
35960 |
查现货到京北通宇商城 |
|||
23+ |
NA |
6800 |
原装正品,力挺实单 |
||||
24+ |
32000 |
全新原厂原装正品现货,低价出售,实单可谈 |
|||||
TI(德州仪器) |
2447 |
LQFN-40-CLIP(7x5) |
105000 |
2500个/圆盘一级代理专营品牌!原装正品,优势现货, |
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