Datasheet Linear Technology LTC3773EUHF#TRPBF — Даташит

Производитель	Linear Technology
Серия	LTC3773
Модель	LTC3773EUHF#TRPBF

Triple Output Synchronous 3-Phase DC/DC Controller with Up/Down Tracking

Datasheets

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PDF, 485 Кб, Язык: анг., Файл закачен: 23 сен 2017, Страниц: 32
Triple Output Synchronous 3-Phase DC/DC Controller with Up/Down Tracking

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Цены

Купить LTC3773EUHF#TRPBF на РадиоЛоцман.Цены — от 339 до 6 756 ₽ 20 предложений от 14 поставщиков Buck Regulator Positive Output Step-Down DC-DC Controller IC 38-QFN (5x7)
EIS Components Весь мир	LTC3773EUHF#TRPBF Analog Devices	339 ₽
ЧипСити Россия	LTC3773EUHF#TRPBF Linear Technology	413 ₽
Utmel Весь мир	LTC3773EUHF#TRPBF Analog Devices	от 6 569 ₽
Akcel Весь мир	LTC3773EUHF#TRPBF Analog Devices	от 6 756 ₽

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Корпус / Упаковка / Маркировка

Корпус	5x7 QFN-38
Код корпуса	UHF
Индекс корпуса	05-08-1701

Параметры

Архитектура	Constant Frequency Current Mode
Demo Boards	DC908A,DC913A
Design Tools	LTspice Model
Экспортный контроль	нет
Основные особенности	Tracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst Mode
Тактовая частота	700 kHz
Frequency Adjust Range	220kHz, 400kHz, 560kHz
Frequency Sync Range	160kHz - 700kHz
Integrated Inductor	нет
Ishutdown	20 мкА
Isupply	2.8 мА
Max Phases	3
Monolithic	нет
Количество выходов	3
Рабочий диапазон температур	от 0 до 85 °C
Выходной ток	25 A
Output Current 2	25 A
Output Current 3	25 A
Polyphase	да
Sense Resistor	Rsense
Switch Current	25 A
Switch Current 2	25 A
Switch Current 3	25 A
Synchronous	да
Topology	Buck
Topology 1	Buck
Topology 2	Buck
Topology 3	Buck
Vin Max	36 В
Vin Min	3.3 В
Vout Max	5 В
Vout Max 2	5 В
Vout Max 3	5 В
Vout Maximum	0.99Vin
Vout Min	0.6 В
Vout Min 2	0.6 В
Vout Min 3	0.6 В
Vref Accuracy Over Temp	1.5 %

Экологический статус

RoHS

Совместим

Design Notes

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Triple Output 3-Phase Controller Saves Space and Improves Performance in High Density Power Converters &mdash DN409
PDF, 94 Кб, Файл опубликован: 29 янв 2007
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advertisement Triple Output 3-Phase Controller Saves Space and Improves
Performance in High Density Power Converters
Design Note 409
Mike Shriver
TodayвЂ™s telecommunications, server and network applications require power from a multitude of voltage
rails. Having more than ten rails ranging from 5V to 1V
or less is common. These boards are typically crowded
with heat-producing FPGAs or microprocessors, thus
demanding power converters that are both compact and
highly efп¬Ѓcient. Furthermore, the converters may need
to meet other requirements such as a fast load step
response and rail tracking. 220kHz, 400kHz or 560kHz, or it can be synchronized
to an external clock between 160kHz and 700kHz. The
controller can step down from input voltages as high as
36V and the output voltage can be programmed from
0.6V to 5V.
Figure 1 shows a high density triple output DC/DC converter with each output delivering up to 5A using the
LTC3773 controller. Figure 2 shows the efп¬Ѓciency of each
output versus load current; where up to 93% efп¬Ѓciency is
achieved. Reductions in space are realized by the use of
dual channel FETs and a switching frequency of 400kHz
which permits the use of 7mm Г— 7mm ferrite inductors. The LTCВ® 3773 switching regulator meets and even goes
beyond the above requirements. This device is a 3-phase, …

Модельный ряд

Серия: LTC3773 (4)

LTC3773EG#PBF LTC3773EG#TRPBF LTC3773EUHF#PBF LTC3773EUHF#TRPBF

Классификация производителя

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers

Варианты написания:

LTC3773EUHFTRPBF, LTC3773EUHF TRPBF