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TPS50601A-SP中文資料德州儀器數據手冊PDF規(guī)格書

TPS50601A-SP
廠商型號

TPS50601A-SP

功能描述

TPS50601A-SP Radiation Hardened 3-V to 7-V Input, 6-A Synchronous Buck Converter

文件大小

1.85582 Mbytes

頁面數量

36

生產廠商 Texas Instruments
企業(yè)簡稱

TI德州儀器

中文名稱

美國德州儀器公司官網

原廠標識
數據手冊

下載地址一下載地址二到原廠下載

更新時間

2025-1-3 11:35:00

TPS50601A-SP規(guī)格書詳情

1 Features

1? 5962-10221:

– Radiation hardened up to TID 100 krad(Si)

– ELDRS free 100 krad(Si) – 10 mrad(Si)/s

– Single lhup (SEL) Immune to

LET = 75 MeV-cm2/mg

– SEB and SEGR immune to 75 MeV-cm2/mg,

SOA Curve Available

– SET/SEFI Cross-section plot available

? peak efficiency: 96.6 (VO = 3.3 V)

? Integrated 58-mΩ/50-mΩ MOSFETs

? Power rail: 3 to 7 V on VIN

? 6-A Maximum output current

? Flexible switching frequency options:

– 100-kHz to 1-MHz Adjustable internal oscillator

– External sync capability: 100 kHz to 1 MHz

– Sync pin can be configured as a 500-kHz

output for master/slave applications

? 0.804-V ±1.5 Voltage reference

overtemperature, radiation, and line and load

regulation

? Monotonic start-up into prebiased outputs

? Adjustable soft start through external capacitor

? Input enable and power-good output for power

sequencing

? Power good output monitor for undervoltage and

overvoltage

? Adjustable input undervoltage lockout (UVLO)

? 20-Pin Ultra-small, thermally-enhanced ceramic

flatpack package (hkh) for space applications

2 Applications

? Space satellite point of load supply for FPGAs,

microcontrollers, data converters and ASICs

? Space satellite payloads

? Radiation hardened applications

? Available in military (–55°C to 125°C) temperature

range

? Engineering evaluation (/EM) Samples are

available

3 Description

The TPS50601A-SP is a radiation hardened, 7-V, 6-A

synchronous step-down converter, which is optimized

for small designs through high efficiency and

integrating the high-side and low-side MOSFETs.

Further space savings are achieved through current

mode control, which reduces component count, and a

high switching frequency, reducing the inductor's

footprint. The devices are offered in an ultra small,

thermally enhanced 20-pin ceramic flatpack package.

The output voltage startup ramp is controlled by the

SS/TR pin which allows operation as either a stand

alone power supply or in tracking situations. Power

sequencing is also possible by correctly configuring

the enable and the open drain power good pins. In

addition, the TPS50601A-SP can be configured in

master-slave mode to provide up to 12-A of output

current.

Cycle-by-cycle current limiting on the high-side FET

protects the device in overload situations and is

enhanced by a low-side sourcing current limit which

prevents current runaway. There is also a low-side

sinking current limit which turns off the low-side

MOSFET to prevent excessive reverse current.

Thermal shutdown disables the part when die

temperature exceeds thermal shutdown temperature.

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